Choosing a Magento agency is not simply a matter of comparing proposals, hourly rates, or the number of years a company has been operating. For a serious ecommerce business, the agency you select can influence site performance, security, conversion rates, integration reliability, scalability, maintenance costs, and the speed at which your business can introduce new features.

This is especially important because Magento, now closely associated with Adobe Commerce, is not a platform where superficial development experience is enough. A store can look excellent on the frontend while carrying inefficient customizations, unsupported extensions, fragile integrations, technical debt, or deployment practices that create expensive problems later.

A proper Magento agency evaluation therefore needs to examine the entire delivery capability of the prospective partner.

You need to understand:

• Whether the agency actually has Magento or Adobe Commerce expertise
• Whether the proposed team has worked on stores similar to yours
• How deeply the developers understand Magento architecture
• Whether the agency can handle custom development
• How it approaches Magento upgrades and migrations
• How it manages security patches
• How it tests integrations
• Whether it understands performance optimization
• How it handles deployment and rollback
• What happens after launch
• Who owns the source code and intellectual property
• How the agency calculates project costs
• Whether the proposal contains realistic assumptions
• How communication and project governance work
• Whether the agency can scale with your business
• Whether its technical recommendations are based on your requirements rather than selling additional services

As of September 2026, this evaluation has an additional dimension: Magento and Adobe Commerce versions have different support timelines, and Adobe’s current documentation emphasizes staying on supported versions and compatible dependencies. Adobe lists Commerce 2.4.9 as released on May 12, 2026, with regular support through May 31, 2029. (Experience League)

That means an agency evaluating your store today should be able to discuss not only development but also version lifecycle, security patching, PHP and database compatibility, third-party extensions, infrastructure, and future upgrade planning.

The goal of this guide is to provide a practical framework for evaluating a Magento agency before signing a development, redesign, migration, maintenance, optimization, or Adobe Commerce engagement.

Why Choosing the Right Magento Agency Matters

Magento projects can become complicated quickly.

A basic ecommerce website may involve:

• Product catalog management
• Configurable and grouped products
• Multiple stores
• Multiple websites
• Multiple currencies
• Multiple languages
• Customer groups
• Tier pricing
• Promotions
• Inventory management
• B2B functionality
• Payment gateways
• Shipping carriers
• Tax systems
• ERP integration
• CRM integration
• PIM integration
• Marketplace integration
• Search functionality
• Analytics
• Marketing automation
• Customer accounts
• Subscription functionality
• Custom checkout requirements
• Headless experiences
• Mobile applications
• Third-party extensions
• Cloud infrastructure
• CDN configuration
• Caching
• Monitoring
• Security
• Automated deployments

A Magento agency that can build a visually attractive storefront is not necessarily equipped to manage this entire ecosystem.

The distinction matters because many ecommerce problems appear months after launch.

For example, a development team may initially deliver a customization that works correctly. However, if that customization modifies core behavior improperly, it may become difficult to maintain during a future Magento upgrade.

Likewise, an extension may solve an immediate business requirement but create conflicts with another extension.

A developer may improve one page’s appearance while introducing JavaScript conflicts that negatively affect checkout.

A developer may increase functionality without considering database queries, cache invalidation, indexing, or asynchronous processing.

These are not necessarily visible during a sales presentation.

They become visible when your store experiences:

• High traffic
• Large catalogs
• Promotional campaigns
• Checkout spikes
• Inventory synchronization
• ERP synchronization
• Search indexing
• Magento upgrades
• Security incidents
• Payment failures
• Third-party API downtime
• Deployment problems

The right agency should therefore be evaluated as a technology partner rather than simply a vendor.

What a Magento Agency Actually Does

Before evaluating an agency, establish what you expect the agency to be responsible for.

The term “Magento agency” can describe very different businesses.

One company may primarily provide:

• Magento theme development
• Frontend customization
• Basic module development

Another may specialize in:

• Enterprise Adobe Commerce
• B2B ecommerce
• Multi-store implementations
• Magento migrations
• ERP integrations
• Performance engineering
• Cloud deployments
• Long-term maintenance

Another may primarily sell:

• Dedicated developers
• Staff augmentation
• Offshore development teams
• Hourly Magento development

These models are not interchangeable.

A useful first step is to define the type of Magento partner you actually need.

Common Magento agency service categories

A prospective agency may offer one or more of the following:

• Magento Open Source development
• Adobe Commerce development
• Magento 2 migration
• Magento version upgrades
• Magento theme development
• Magento UI customization
• Magento extension development
• Custom Magento modules
• Magento API development
• Magento integration development
• Magento ERP integration
• Magento CRM integration
• Magento PIM integration
• Magento payment integration
• Magento shipping integration
• Magento marketplace integration
• Magento B2B development
• Magento headless commerce
• Magento performance optimization
• Magento security audits
• Magento maintenance
• Magento support
• Magento quality assurance
• Magento cloud development
• Magento DevOps
• Magento infrastructure management

Your evaluation criteria should reflect the services you actually need.

For example, an agency that is excellent at Magento frontend development may not be the right partner for a complex ERP migration.

Similarly, an agency that specializes in large Adobe Commerce implementations may be unnecessarily expensive for a small Magento Open Source store requiring only theme customization.

Start With Your Own Requirements

One of the biggest mistakes businesses make is evaluating agencies before defining the project.

That reverses the logical order.

First establish what needs to be accomplished.

Then determine which agency has the capabilities to accomplish it.

Your internal project brief should include:

• Current Magento version
• Target Magento or Adobe Commerce version
• Current hosting environment
• Current PHP version
• Database technology and version
• Number of products
• Number of SKUs
• Number of categories
• Monthly orders
• Average order value
• Traffic volume
• Peak traffic
• Number of websites
• Number of stores
• Number of store views
• Countries served
• Currencies supported
• Languages supported
• Customer groups
• B2B requirements
• Payment providers
• Shipping providers
• ERP system
• CRM system
• PIM system
• Marketing systems
• Analytics platforms
• Existing extensions
• Custom modules
• Current technical problems
• Performance issues
• Security concerns
• Business goals
• Expected launch date
• Budget range
• Post-launch support requirements

This document does not need to be perfect.

Its purpose is to prevent agencies from evaluating completely different projects under the same proposal.

Define the Business Problem Before the Technical Solution

A strong Magento agency should be interested in why you need the project.

Suppose your company says:

“We need a new Magento website.”

That statement is too broad.

A better requirement might be:

“Our current Magento store has slow category pages, frequent ERP synchronization failures, and a checkout abandonment problem. We need to migrate to a supported Magento version while improving performance and reducing manual order processing.”

That gives the agency a substantially better starting point.

The agency can then investigate:

• Platform version
• Infrastructure
• Database performance
• Indexing
• Full-page cache
• Varnish
• Redis
• Elasticsearch or OpenSearch
• Custom modules
• ERP APIs
• Checkout customization
• JavaScript
• Third-party extensions
• Deployment process

A good agency should not immediately prescribe a solution without understanding the problem.

Evaluate Magento Expertise, Not Generic Ecommerce Experience

One of the first questions to ask is:

How much Magento experience does the agency actually have?

Do not accept only broad claims such as:

• “We have 15 years of ecommerce experience.”
• “We have hundreds of developers.”
• “We work with all major platforms.”
• “We specialize in digital transformation.”

Those statements may be true but still tell you little about Magento capability.

Magento has its own architecture, conventions, dependency injection model, module structure, indexing mechanisms, caching architecture, EAV considerations, APIs, deployment requirements, and extension ecosystem.

You should investigate the agency’s actual Magento track record.

Questions to ask about Magento experience

Ask:

• How many Magento projects has your team completed?
• How many are currently under maintenance?
• How many developers actively work with Magento?
• How many years of Magento-specific experience does the proposed team have?
• What Magento versions have they worked with?
• Do they work with Magento Open Source?
• Do they work with Adobe Commerce?
• Have they worked with Adobe Commerce B2B?
• Have they handled multi-store environments?
• Have they handled international ecommerce?
• Have they completed Magento migrations?
• Have they performed major version upgrades?
• Have they worked with large catalogs?
• Have they optimized high-traffic stores?
• Have they handled ERP integrations?
• Have they worked with custom checkout implementations?
• Have they developed Magento extensions?
• Have they handled security patches?
• Have they managed production incidents?

The important word is team.

An agency might have one highly experienced Magento architect but assign junior developers to your project.

You need to know who will actually perform the work.

Ask Who Will Work on Your Project

The sales team is not the delivery team.

This distinction is critical.

During the sales process, you may speak with:

• Founder
• CEO
• Sales director
• Business development manager
• Account manager
• Solutions consultant

After signing, your daily contacts might become:

• Project manager
• Technical lead
• Magento developer
• Frontend developer
• QA engineer
• DevOps engineer

Those people need to have the skills required by your project.

Ask the agency to identify the proposed team.

You can request:

• Name or role
• Years of Magento experience
• Magento-specific experience
• Technical responsibilities
• Availability
• Time-zone overlap
• Percentage of allocation
• Seniority
• Backup resource
• Reporting structure

You should also ask whether the proposed team is guaranteed.

If the proposal depends heavily on one architect, find out what happens if that person leaves or becomes unavailable.

Evaluate the Magento Technical Lead

For complex Magento work, the technical lead can have a major influence on project quality.

A strong technical lead should understand more than PHP.

Relevant knowledge may include:

• Magento architecture
• PHP
• Composer
• Dependency injection
• Modules
• Observers
• Plugins
• Events
• APIs
• GraphQL
• REST
• Database architecture
• MySQL
• Elasticsearch or OpenSearch
• Redis
• Varnish
• Full-page caching
• Message queues
• Cron jobs
• Indexers
• JavaScript
• RequireJS
• Knockout
• Modern frontend approaches
• Deployment
• Git
• CI/CD
• Cloud infrastructure
• Security
• Automated testing

The exact technology mix depends on the store.

The important issue is whether the technical lead understands how these components interact.

Test Technical Knowledge With Real Questions

Do not limit your evaluation to asking, “Are you Magento experts?”

Ask technical questions.

For example:

Magento architecture questions

• How do you structure a custom Magento module?
• When would you use a plugin instead of an observer?
• When should functionality be implemented through a service contract?
• How do you avoid modifying Magento core files?
• How do you manage dependencies?
• How do you approach customizations that need to survive future upgrades?

Performance questions

• How would you diagnose slow product pages?
• How would you investigate slow category pages?
• How do you identify inefficient database queries?
• How do you evaluate Magento indexer performance?
• How do you troubleshoot cache invalidation?
• How do you investigate slow checkout?
• How do you distinguish infrastructure problems from application problems?

Security questions

• How do you handle Magento security patches?
• How do you evaluate third-party extensions?
• How do you secure custom APIs?
• How do you protect admin access?
• How do you handle compromised credentials?
• How do you perform security testing before deployment?

Deployment questions

• What is your deployment process?
• Do you use Git?
• Do you have separate development, staging, and production environments?
• How are database changes handled?
• How do you perform rollback?
• How do you handle static content deployment?
• How do you verify production deployments?

A technically competent agency should be able to answer these questions clearly.

Ask for Technical Case Studies

A portfolio page is not enough.

You need to understand what the agency actually did.

Ask for case studies involving projects similar to yours.

Useful case-study information includes:

• Business type
• Magento version
• Store size
• Catalog size
• Traffic characteristics
• Number of stores
• Integration complexity
• Main technical problems
• Scope of work
• Migration requirements
• Performance challenges
• Security challenges
• Development timeline
• Team composition
• Post-launch support
• Measurable outcomes

For example, a meaningful case study might explain how an agency migrated a multi-store Magento implementation, redesigned the architecture, integrated an ERP, improved page performance, and introduced automated deployments.

That is much more informative than a portfolio screenshot.

Look for Similarity, Not Just Quantity

A company saying it has completed “100 Magento projects” does not automatically make those projects relevant to your situation.

A better question is:

How many projects similar to mine have you completed?

Suppose you operate a B2B business with:

• 100,000 SKUs
• Multiple warehouses
• ERP integration
• Customer-specific pricing
• Multiple websites
• International customers
• Complex checkout requirements

A portfolio consisting mainly of small retail stores may not demonstrate sufficient experience.

Likewise, a small retailer does not necessarily need an agency whose core expertise is massive enterprise commerce infrastructure.

Evaluate relevance.

Review the Agency’s Magento Portfolio Carefully

When examining previous work, look beyond visual design.

Investigate:

Business similarity

• Same industry
• Similar customer type
• Similar order volume
• Similar product complexity
• Similar geographic footprint

Technical similarity

• Magento version
• Adobe Commerce
• Magento Open Source
• Multi-store
• B2B
• Headless
• ERP
• CRM
• PIM
• Payment integration
• Shipping integration
• Custom APIs

Operational similarity

• Maintenance
• Monitoring
• Security
• Performance
• Cloud infrastructure
• Deployment
• Continuous development

The closer the previous projects are to your environment, the more useful the agency’s experience becomes.

Request Client References

A reference from an existing or former client can reveal information that a sales presentation cannot.

Ask for references from clients with projects similar to yours.

Ideally, speak with:

• Ecommerce director
• CTO
• Head of technology
• Product manager
• Operations leader
• Business owner

Ask those clients:

• Was the project delivered on schedule?
• Did the final cost match the original expectation?
• How well did the agency communicate?
• How did they handle unexpected technical problems?
• How quickly did they respond to production incidents?
• Did the agency understand the business requirements?
• Were there recurring quality issues?
• How good was the documentation?
• How was the handover?
• Did the agency remain involved after launch?
• How did change requests affect costs?
• Would you work with them again?

Do not ask only, “Were you happy?”

That produces vague answers.

Ask specific operational questions.

Verify Claims Independently

An agency’s website is a marketing asset.

Treat it as one source of information, not the complete evidence.

If an agency claims:

• Official partnerships
• Certifications
• Large project volumes
• Enterprise experience
• Specialized expertise
• Industry awards

verify the claims where possible.

For Magento and Adobe Commerce, the distinction between a general ecommerce company and a company with relevant platform credentials can matter.

For example, Adobe maintains official documentation covering its Commerce ecosystem, versions, supported dependencies, services, and lifecycle policies. (Experience League)

An agency should also be able to explain what its claimed partnership or certification means in practical terms.

Do not assume that a badge alone proves delivery quality.

Check Whether the Agency Understands Magento Version Lifecycles

This is one of the most important technical checks.

A Magento agency should know the version your store is currently running and understand its support position.

Adobe’s current release documentation lists:

• Adobe Commerce 2.4.9, released May 12, 2026
• Regular support for 2.4.9 through May 31, 2029
• 2.4.8 regular support through May 31, 2028
• 2.4.7 regular support through May 31, 2027
• 2.4.6 regular support ended August 11, 2026, with additional support provisions extending beyond that date (Experience League)

This matters because an agency proposing a long-term Magento project should not treat the platform version as an incidental detail.

Ask:

• What version are we currently running?
• Is it supported?
• What is its end-of-support date?
• Which upgrade path do you recommend?
• Which third-party extensions may block the upgrade?
• Which custom modules need modification?
• Which PHP version is required?
• What database compatibility issues exist?
• What testing is required?
• How will the upgrade be performed?
• What is the rollback strategy?

Ask About Third-Party Dependencies

Magento does not exist in isolation.

A store may depend on:

• PHP
• MySQL or MariaDB
• Redis
• OpenSearch
• Elasticsearch, depending on the environment and version
• RabbitMQ
• Nginx
• CDN
• Payment providers
• Shipping services
• Tax providers
• ERP systems
• CRM systems
• PIM platforms
• Marketing platforms
• Custom APIs
• Third-party Magento extensions

Adobe explicitly states that supported deployments need compatible supported dependencies and services, and its current documentation identifies platform services such as PHP, MariaDB/MySQL, Redis, Elasticsearch/OpenSearch, RabbitMQ, and Nginx as part of the supported environment considerations. (Experience League)

Therefore, a Magento agency should evaluate your entire technology stack.

A proposal that discusses only Magento code may be incomplete.

Evaluate the Agency’s Approach to Security

Security should not be treated as a final checklist before launch.

It should be integrated into development.

Ask whether the agency has a formal process for:

• Security patches
• Vulnerability monitoring
• Extension reviews
• Dependency updates
• Admin security
• Authentication
• Authorization
• API security
• Secrets management
• Secure coding
• Access control
• Logging
• Incident response
• Backup management
• Security testing

Adobe’s current security documentation recommends practices such as two-factor authentication, CAPTCHA or reCAPTCHA where appropriate, and security scanning for Commerce installations. (Experience League)

More importantly, Adobe’s current shared-responsibility documentation states that merchants remain responsible for areas including custom code, third-party integrations, secure application development, third-party dependencies, and security incident response. (Experience League)

That means you should not assume that buying Adobe Commerce or hiring a Magento agency automatically makes your store secure.

Ask How the Agency Handles Security Patches

Security patch management deserves its own discussion.

Adobe publishes security patches and security bulletins for supported Commerce versions. Its current documentation explains that security patches are identified through patch releases and that isolated security fixes may be released separately for faster remediation. (Experience League)

Ask your prospective agency:

• How quickly do you review new Magento security advisories?
• How quickly do you assess whether our store is affected?
• How do you test security patches?
• Do you maintain a staging environment?
• How do you test third-party extensions after patching?
• Who approves production deployment?
• What happens if the patch breaks an extension?
• Do you provide emergency patch support?
• How are encryption keys and secrets handled?
• Do you maintain a security incident response process?

These questions reveal whether security is an operational discipline or merely a proposal keyword.

Pay Particular Attention to Current Security Events

A Magento agency should demonstrate awareness of current security developments.

For example, Adobe published an urgent security notice on September 21, 2026 concerning CVE-2026-75650, stating that it was aware of exploitation in the wild and describing a critical vulnerability affecting multiple Adobe Commerce and Magento Open Source releases. (Experience League)

This illustrates why security maintenance cannot be treated as an annual task.

Your agency should have a process for:

• Monitoring advisories
• Assessing exposure
• Applying fixes
• Testing patches
• Validating the production environment
• Documenting changes
• Reviewing third-party components
• Communicating risk

A proposal that only says “security included” does not provide enough information.

Evaluate the Agency’s Performance Engineering Skills

Magento performance is not simply about making a page load faster.

Performance can involve:

• Server response time
• Database queries
• PHP execution
• Full-page cache
• Block cache
• Redis
• Varnish
• CDN
• Static assets
• JavaScript
• CSS
• Images
• Third-party scripts
• Search
• Indexers
• Cron jobs
• Message queues
• API calls
• ERP synchronization
• Checkout processing
• Database size
• Catalog complexity

Ask the agency how it diagnoses performance problems.

A competent team should be able to explain its diagnostic process rather than simply promise “high performance.”

Useful performance questions

Ask:

• What tools do you use for performance analysis?
• How do you measure backend performance?
• How do you analyze database queries?
• How do you identify slow PHP execution?
• How do you evaluate cache hit rates?
• How do you monitor Redis?
• How do you evaluate search performance?
• How do you investigate slow checkout?
• How do you handle large catalogs?
• How do you manage indexers?
• How do you evaluate third-party JavaScript?
• How do you establish performance baselines?
• What performance metrics will you report after optimization?

Demand Measurable Performance Targets

Avoid vague promises such as:

• “Lightning fast”
• “High performance”
• “Optimized Magento”
• “SEO-friendly”
• “Fast checkout”

Instead, define measurable targets.

For example:

• Server response target
• Core Web Vitals target
• Checkout response target
• Category page response target
• Product page response target
• Search response target
• API response target
• Error rate target
• Uptime target

Not every metric will be appropriate for every project.

The important point is that performance should be measurable.

Examine the Discovery Process

One of the strongest indicators of agency maturity is what happens before development begins.

A weak agency may say:

“Send us the requirements and we’ll provide a quote.”

A stronger process may involve:

• Discovery workshop
• Technical audit
• Business requirements analysis
• Existing-code review
• Extension inventory
• Integration inventory
• Infrastructure review
• Performance analysis
• Security assessment
• Migration analysis
• UX review
• SEO considerations
• Data migration planning
• Deployment planning

The depth of discovery should correspond to project complexity.

A simple theme adjustment does not require a month-long discovery exercise.

An enterprise Magento migration probably does.

Ask for a Technical Audit Before a Large Migration

If you already have a Magento store, consider requiring a technical audit before signing a large implementation contract.

The audit can examine:

Platform

• Current Magento version
• Patch level
• PHP version
• Database
• Search engine
• Cache
• Queue
• Infrastructure

Code

• Custom modules
• Core modifications
• Coding standards
• Dependency management
• Deprecated functionality
• Technical debt

Extensions

• Installed extensions
• Vendor
• Version
• Compatibility
• Usage
• Security status
• Upgrade risks

Data

• Products
• Categories
• Customers
• Orders
• Attributes
• Custom entities
• Media
• URL rewrites

Integrations

• ERP
• CRM
• PIM
• Payment
• Shipping
• Tax
• Marketing
• Analytics

Performance

• Backend response
• Frontend performance
• Database performance
• Search
• Cache
• Indexers

Security

• Admin access
• Dependencies
• Extensions
• Custom code
• Authentication
• Security patches

The audit gives both sides a more realistic picture of project complexity.

Review the Proposal Line by Line

Do not evaluate proposals only by their total price.

Two agencies can quote radically different prices because they are proposing different scopes.

Compare:

• Discovery
• Design
• UX
• Frontend
• Backend
• Custom modules
• Extensions
• Integrations
• Data migration
• Testing
• Performance optimization
• Security
• DevOps
• Deployment
• Documentation
• Training
• Launch support
• Maintenance

A proposal should clearly state what is included and excluded.

Look for Assumptions

Assumptions can dramatically affect the final Magento project cost.

Examples include:

• Client provides API documentation
• Existing ERP supports required integration
• Existing payment gateway is compatible
• No custom checkout changes are required
• Existing data is clean
• Existing extensions are upgrade-compatible
• Product attributes remain unchanged
• Hosting infrastructure remains unchanged
• No major SEO migration is required
• Client supplies design assets
• Client provides content
• Client provides test data
• Client provides third-party credentials

Every major assumption should be documented.

Identify Exclusions

Exclusions are just as important as inclusions.

A proposal might exclude:

• Hosting
• Third-party licenses
• Adobe Commerce licensing
• Extension licenses
• Payment gateway fees
• CDN charges
• Cloud costs
• Data cleansing
• Content migration
• SEO migration
• Custom integrations
• Emergency support
• Performance optimization
• Security audits
• Post-launch support

An apparently inexpensive proposal can become substantially more expensive when excluded items are added later.

Understand the Pricing Model

Magento agencies commonly use several commercial models.

Fixed-price development

A fixed-price model can work when:

• Requirements are clearly defined
• Scope is stable
• Deliverables are measurable
• Acceptance criteria are documented

Potential advantages include:

• Predictable budget
• Defined deliverables
• Easier internal approval

Potential challenges include:

• Change-request costs
• Reduced flexibility
• Scope disputes
• Pressure to minimize unplanned work

Time and materials

This model can work well when:

• Requirements evolve
• The project contains uncertainty
• Technical discovery is still underway
• Ongoing development is expected

Advantages may include:

• Flexibility
• Easier prioritization
• Continuous improvement
• Ability to respond to technical discoveries

The main requirement is strong reporting and governance.

Dedicated development team

A dedicated team may be appropriate when you need:

• Continuous Magento development
• Long-term support
• Multiple developers
• Product evolution
• Internal technical collaboration

Ask:

• Who manages the team?
• Who owns architecture?
• How are developers replaced?
• What is the minimum commitment?
• How are hours reported?
• What happens during holidays?
• Is QA included?
• Is DevOps included?
• Is project management included?

Compare Total Cost, Not Hourly Rate

Hourly rate alone can be misleading.

Consider two hypothetical proposals.

Agency A:

• Lower hourly rate
• Large number of hours
• Limited QA
• Separate project management
• Separate DevOps
• Extensive change requests

Agency B:

• Higher hourly rate
• Fewer hours
• Senior technical team
• QA included
• DevOps included
• Better documentation
• More complete scope

The lower hourly rate does not automatically mean the lower total cost.

Compare:

Total cost = development + QA + project management + DevOps + licenses + infrastructure + maintenance + change requests + likely rework

The actual commercial comparison should consider the full delivery model.

Ask About Change Requests

This is one of the most important contract questions.

Ask:

• What qualifies as a change request?
• How is it priced?
• Who approves it?
• What happens if the requirement was misunderstood?
• How are technical discoveries handled?
• Are small changes billed separately?
• Is there a minimum billable amount?
• Can change requests affect the launch date?
• How quickly will change requests be estimated?

A good change-control process prevents both parties from being surprised.

Examine the Project Management Process

Magento development is not only a technical activity.

Large projects require coordination between:

• Business stakeholders
• Designers
• Developers
• QA
• DevOps
• Marketing
• SEO
• ERP teams
• Payment providers
• Hosting providers
• Internal IT
• External vendors

Ask how the agency manages communication.

Important project-management questions

• Who is the project manager?
• How frequently are meetings held?
• What project management platform is used?
• How are tasks tracked?
• How are blockers escalated?
• How are decisions documented?
• How are requirements approved?
• How are milestones defined?
• How is progress reported?
• How are delays communicated?
• Who has final technical authority?

The agency should have a clear operating rhythm.

Evaluate Communication Quality Before Signing

The sales process itself provides useful evidence.

Pay attention to:

• How quickly they answer technical questions
• Whether answers are specific
• Whether they ask thoughtful questions
• Whether they document decisions
• Whether different salespeople give conflicting answers
• Whether they understand your requirements
• Whether they immediately push a generic solution

If communication is confusing before the contract is signed, it may become more difficult once the project contains technical problems.

Look for Technical Transparency

A strong agency should be willing to explain:

• Architecture
• Technology choices
• Extension choices
• Hosting assumptions
• Integration architecture
• Security practices
• Testing methodology
• Deployment process
• Support model

You do not need every technical detail to be simplified for a nontechnical audience.

You do need enough information to understand what you are buying.

Evaluate the Agency’s QA Process

Quality assurance should not be treated as “we tested it manually.”

Magento stores have many interconnected workflows.

Testing may need to cover:

• Registration
• Login
• Password reset
• Product browsing
• Search
• Filters
• Product configuration
• Add to cart
• Cart updates
• Coupons
• Shipping
• Tax
• Checkout
• Payment
• Order creation
• Email
• Refund
• Cancellation
• Customer accounts
• Admin workflows
• Inventory
• ERP synchronization
• CRM synchronization
• Mobile devices
• Browsers

For complex stores, automated testing may also be appropriate.

Ask About Testing Environments

Your agency should ideally explain its environment strategy.

Common environments include:

• Development
• QA
• Staging
• Production

Ask:

• Where is testing performed?
• Is staging comparable to production?
• How is test data handled?
• How are production-like integrations tested?
• How are deployments validated?
• How are database changes tested?
• How are rollback procedures tested?

You should be cautious if an agency proposes making major changes directly in production.

Ask How Regression Testing Works

Magento changes can have unexpected consequences.

A change to:

• Product pricing
• Inventory
• Checkout
• Customer accounts
• Tax
• Shipping
• Payment

can affect other areas.

Ask the agency:

• What regression suite do you maintain?
• Which workflows must be tested before every production deployment?
• Which tests are automated?
• Which tests are manual?
• How are failed tests documented?
• Who signs off before deployment?

This becomes especially important during upgrades.

Evaluate Magento Upgrade Experience

Magento upgrades are not always simple version changes.

A project may involve:

• Core changes
• Extension updates
• Custom module updates
• PHP compatibility
• Database changes
• Search compatibility
• Theme changes
• Checkout changes
• API changes
• Deployment changes

Ask an agency to describe a real upgrade it has completed.

Questions include:

• What version did the client start with?
• What version did they migrate to?
• How many custom modules were involved?
• How many extensions were involved?
• What problems appeared during testing?
• How was downtime handled?
• How was data integrity verified?
• What was the rollback plan?
• What happened after launch?

Do Not Ignore Data Migration

If your project involves migration, data is one of the most sensitive areas.

Possible data includes:

• Products
• Categories
• Customers
• Addresses
• Orders
• Invoices
• Credit memos
• Reviews
• Wish lists
• Product attributes
• Custom attributes
• URL rewrites
• CMS pages
• Media
• Promotions

Ask the agency how it will:

• Extract data
• Transform data
• Validate data
• Import data
• Reconcile records
• Handle duplicates
• Handle missing data
• Preserve relationships
• Validate customer accounts
• Preserve SEO URLs
• Test migrated orders

A migration plan should not simply say “data migration included.”

Examine SEO Migration Knowledge

A Magento redesign can create SEO problems even when the new site looks better.

Ask about:

• URL preservation
• Redirect mapping
• Canonical URLs
• XML sitemaps
• Robots.txt
• Metadata
• Structured data
• Pagination
• Faceted navigation
• Product URLs
• Category URLs
• Duplicate content
• International SEO
• Hreflang
• Indexation
• 404 monitoring

If URLs change, ask for a redirect strategy.

SEO should be incorporated into migration planning, not added after launch.

Check Documentation Standards

Documentation is frequently underestimated.

Ask whether the agency will provide:

• Architecture documentation
• Deployment documentation
• Integration documentation
• API documentation
• Extension documentation
• Configuration documentation
• Environment documentation
• Runbooks
• Troubleshooting guides
• Admin training materials

Documentation becomes particularly important if you eventually change agencies.

You should not become permanently dependent on undocumented knowledge held by one vendor.

Establish Code Ownership Before Signing

Your contract should clearly address intellectual property.

Clarify ownership of:

• Custom Magento modules
• Custom themes
• Design assets
• Scripts
• Configuration
• Integration code
• Documentation
• Database transformations
• Deployment scripts
• Custom APIs

Also ask whether the agency uses pre-existing proprietary frameworks or reusable components.

You need to understand what you are actually purchasing.

Confirm Repository Access

Ask:

• Where is source code stored?
• Who owns the repository?
• Who has administrator access?
• Can your internal team access the repository?
• How frequently is code committed?
• Are branches used?
• Are deployments tied to Git commits?
• What happens if the contract ends?

Ideally, your organization should have appropriate ownership and access to its own project assets.

Review Third-Party Extension Practices

Extensions can accelerate Magento development, but poorly selected extensions can create long-term maintenance problems.

Ask the agency:

• How do you evaluate extensions?
• Do you prefer custom development or extensions?
• How do you check extension compatibility?
• How do you evaluate security?
• How do you monitor extension updates?
• How do you handle abandoned extensions?
• How do you test extensions during upgrades?
• Do you modify third-party extension code?
• What happens if an extension conflicts with custom functionality?

An agency should be able to explain why an extension is being used.

“Because it is faster” is not always sufficient.

Ask Whether the Agency Modifies Magento Core

This should receive a direct answer.

Modern Magento development generally requires maintainable customization approaches rather than arbitrary changes to core application files.

Ask:

• Do you modify Magento core files?
• If not, how do you implement custom behavior?
• How do you document overrides?
• How do you maintain custom modules?
• How do you prepare customizations for upgrades?

If an agency casually recommends modifying core files to solve routine requirements, investigate its development practices carefully.

Evaluate DevOps Capabilities

Magento production environments require disciplined deployment practices.

Ask about:

• Git
• CI/CD
• Build processes
• Environment management
• Configuration management
• Deployment automation
• Database deployment
• Static content deployment
• Cache management
• Rollbacks
• Monitoring
• Logging
• Alerts
• Backups

The exact implementation will depend on your hosting environment.

The agency should nevertheless have a repeatable deployment process.

Ask About Rollback

Every production deployment carries some risk.

Ask:

What happens if today’s deployment causes checkout to fail?

The answer should involve a defined procedure.

Potential elements include:

• Deployment versioning
• Code rollback
• Database backup
• Configuration backup
• Cache handling
• Verification
• Incident communication

You should not discover the rollback process during an emergency.

Evaluate Monitoring and Support

Launching the store is not the end of the project.

After launch, you may need monitoring for:

• Uptime
• Server resources
• Application errors
• PHP errors
• Database problems
• Queue failures
• Cron failures
• Payment errors
• API failures
• Checkout errors
• Search failures
• Security events

Ask whether the agency provides:

• Monitoring
• Alerts
• On-call support
• SLA-based support
• Emergency response
• Monthly maintenance
• Performance reviews
• Security patching

Understand the Support SLA

If your store generates substantial revenue, support expectations should be documented.

Ask:

• What constitutes a critical incident?
• What is the response time?
• What is the resolution target?
• Is support available 24/7?
• Is weekend support available?
• Are holidays covered?
• How are emergencies escalated?
• Who is contacted first?
• What is included in the monthly fee?
• What is billed separately?

Do not accept “24/7 support” without asking what the phrase actually means.

Evaluate Business Continuity

Your Magento agency is itself a business risk.

Consider:

• Company size
• Years in operation
• Client concentration
• Developer retention
• Leadership structure
• Geographic distribution
• Backup staffing
• Disaster recovery
• Knowledge transfer
• Documentation

You do not need the largest agency.

You need an agency whose operational capacity matches your dependency on it.

Check Developer Continuity

Ask:

• What happens if the lead developer leaves?
• Is there a backup developer?
• Is architecture documented?
• Are code reviews performed?
• Are multiple people familiar with the system?
• Can another developer take over?

A single-person dependency can create significant operational risk.

Consider Time-Zone Coverage

Offshore and distributed Magento teams can provide substantial development capacity, but time-zone management should be explicit.

Ask:

• What are the team’s working hours?
• How many hours overlap with your team?
• Who handles urgent issues outside normal hours?
• Are meetings scheduled during mutually practical times?
• How quickly are production incidents escalated?

The issue is not whether the team is local or offshore.

The issue is whether the operating model works for your business.

Examine Cultural and Communication Fit

Technical capability is only part of the relationship.

You also need alignment around:

• Communication
• Documentation
• Transparency
• Decision-making
• Accountability
• Meeting discipline
• Escalation
• Feedback
• Change management

A technically capable agency can still become difficult to work with if expectations around communication differ substantially.

Evaluate Whether the Agency Understands Your Industry

Magento expertise becomes more useful when combined with domain knowledge.

For example, B2B ecommerce may involve:

• Customer-specific catalogs
• Contract pricing
• Purchase orders
• Approval workflows
• Credit limits
• Sales representatives
• Company accounts
• Negotiated pricing

Fashion ecommerce may have:

• Variant-heavy products
• Size and color combinations
• Seasonal catalogs
• Returns
• Promotions
• Inventory complexity

Industrial ecommerce may require:

• Technical specifications
• Complex product attributes
• Quote requests
• Customer-specific pricing
• ERP synchronization

Ask the agency how its previous industry experience applies to your business.

Evaluate Abbacus Technologies as a Magento Agency Option

When your evaluation criteria call for a Magento-focused ecommerce partner, Abbacus Technologies can be included in the comparison process.

Its published ecommerce service information states that the company has delivered more than 100 ecommerce stores, has a team of 15+ certified ecommerce developers, and identifies an official Magento/Adobe partnership. (Abbacus Technologies)

Those claims should still be evaluated against your specific requirements.

Ask the same questions you would ask every shortlisted agency:

• Which Magento projects are most similar to ours?
• Who would work on our account?
• What Magento versions has the team handled?
• What integrations have they delivered?
• How do they approach upgrades?
• What is their QA process?
• How do they manage security patches?
• What is included in maintenance?
• How are changes priced?
• What documentation is delivered?
• Who owns the code?
• What support SLA is available?

A professional selection process should apply the same evidence-based criteria to every candidate rather than relying on branding or sales claims.

Build an Agency Evaluation Checklist

Before signing, create a structured checklist.

Company experience

• Magento-specific experience
• Adobe Commerce experience
• Relevant industry experience
• Relevant project size
• Relevant integration experience
• Relevant migration experience
• Relevant performance experience
• Relevant security experience

Technical capability

• Magento architecture
• PHP
• Composer
• MySQL
• Redis
• Search
• APIs
• GraphQL
• Caching
• Queues
• Cron
• Indexers
• DevOps
• CI/CD
• Cloud infrastructure

Delivery capability

• Project management
• QA
• Automated testing
• Manual testing
• Deployment
• Documentation
• Training
• Launch support

Security

• Security patch management
• Extension assessment
• Secure development
• Access control
• Authentication
• Incident response
• Monitoring

Commercial terms

• Project price
• Hourly rate
• Included hours
• Change requests
• Payment schedule
• Third-party costs
• Licensing
• Infrastructure
• Maintenance
• Support

Contract

• IP ownership
• Source-code access
• Confidentiality
• Data protection
• Warranty
• Support SLA
• Termination
• Transition assistance
• Knowledge transfer

Create a Weighted Evaluation Framework

If several agencies are being considered, organize the information into categories.

For example:

Evaluation Area	Questions to Consider
Magento expertise	How much relevant Magento experience does the actual delivery team have?
Technical architecture	Can the agency explain a maintainable solution for your requirements?
Similar projects	Has it solved comparable business and technical problems?
Integrations	Can it handle ERP, CRM, PIM, payment, shipping, and other systems?
Security	Does it have a structured security and patching process?
Performance	Can it diagnose and measure Magento performance issues?
QA	Is testing systematic and repeatable?
DevOps	Does it have controlled deployment and rollback procedures?
Communication	Are responsibilities, reporting, and escalation clear?
Pricing	Is the proposal transparent about scope and assumptions?
Support	Are post-launch responsibilities and SLAs documented?
Ownership	Do you retain appropriate control of code and project assets?

The purpose of this framework is not to reduce an agency decision to a simplistic score.

It is to make sure important issues are not overlooked because one proposal has a lower headline price or a more attractive presentation.

Red Flags to Watch Before Signing

Certain patterns deserve additional investigation.

Red flag: The agency cannot identify the delivery team

If you cannot determine who will actually work on the project, ask for clarification before proceeding.

Red flag: Generic Magento answers

Statements such as “we use best practices” are less useful than specific explanations of architecture, testing, security, and deployment.

Red flag: Extremely low estimates without assumptions

An unusually low estimate may indicate:

• Missing requirements
• Underestimated complexity
• Limited QA
• Excluded services
• Junior staffing
• Heavy reliance on extensions
• Future change requests

Red flag: No technical discovery

A complex existing Magento store should generally require some level of technical investigation.

Red flag: No staging environment

Major Magento changes should not casually be tested directly in production.

Red flag: No rollback strategy

Production deployment without a defined recovery approach creates avoidable operational risk.

Red flag: Core modifications presented as normal

Ask for a technical explanation whenever an agency proposes changing core files.

Red flag: No security process

“Security is important to us” is not a security process.

Red flag: No documentation

If the agency does not document its work, your long-term dependency increases.

Red flag: Unclear source-code ownership

Resolve this before signing.

Red flag: The proposal contains no exclusions

A proposal that appears to include everything may still contain ambiguous scope.

Red flag: The sales team promises impossible timelines

Magento complexity cannot always be compressed simply by adding developers.

Red flag: No post-launch plan

Ask what happens after deployment.

Red flag: Everything requires a custom module

Custom development can be appropriate, but unnecessary customization increases maintenance complexity.

Red flag: Everything requires an extension

Extensions can also introduce dependencies, compatibility concerns, and upgrade risks.

Questions to Ask During the Final Agency Interview

Before signing, conduct a structured technical and commercial interview.

Business questions

• What similar ecommerce businesses have you worked with?
• What business challenges did you solve?
• What project outcomes did you achieve?
• What did the client continue doing internally after launch?

Technical questions

• What Magento architecture would you propose?
• Why?
• Which components would be customized?
• Which components would use existing functionality?
• Which extensions would you recommend?
• Which extensions would you avoid?
• What technical risks do you see?

Migration questions

• What migration risks do you anticipate?
• How will you validate data?
• How will you preserve SEO?
• How will you handle downtime?
• What is the rollback strategy?

Security questions

• How will security patches be managed?
• How will third-party extensions be assessed?
• How will admin access be protected?
• What happens during a critical vulnerability?

Performance questions

• How will you establish a baseline?
• What metrics will you measure?
• How will you investigate bottlenecks?
• What happens if performance targets are not met?

Support questions

• What support is available after launch?
• What is the response time for critical issues?
• Who handles emergencies?
• Is maintenance included?

Commercial questions

• What exactly is included?
• What is excluded?
• How are changes priced?
• What third-party costs exist?
• What happens if the project exceeds estimated hours?

Ask the Agency to Explain Its First 30 Days

This is an effective way to understand how the agency thinks.

Ask:

“If we sign today, what will happen during the first 30 days?”

A mature answer may include:

• Kickoff
• Stakeholder identification
• Access collection
• Environment review
• Code review
• Extension audit
• Integration mapping
• Performance baseline
• Security review
• Requirements validation
• Architecture planning
• Backlog creation
• Sprint planning
• Risk identification

The answer reveals whether the agency has a structured onboarding methodology.

Ask What Could Go Wrong

This question is surprisingly useful:

“What are the biggest risks you see in this project?”

An inexperienced agency may say:

“We don’t anticipate any major risks.”

A more realistic technical discussion should identify potential uncertainties.

Depending on the project, risks could include:

• Legacy customizations
• Unsupported extensions
• Poor data quality
• ERP limitations
• Payment-provider constraints
• Version incompatibilities
• Performance bottlenecks
• SEO migration complexity
• Infrastructure limitations
• Third-party API dependencies
• Tight launch schedules

You want an agency that can identify risks and explain how they will be managed.

Ask What the Agency Needs From You

Project success is not solely the agency’s responsibility.

Ask:

• What access do you need?
• What internal resources do you need?
• Who should approve requirements?
• Who will provide business decisions?
• Who will provide ERP support?
• Who will provide content?
• Who will provide design assets?
• Who will approve releases?
• How quickly do you need client feedback?

This helps identify organizational dependencies before development begins.

Evaluate the Contract, Not Just the Proposal

A proposal describes what the agency intends to deliver.

The contract establishes what both parties are actually agreeing to.

Review:

• Scope
• Deliverables
• Milestones
• Payment terms
• Change requests
• Acceptance criteria
• Warranty
• Support
• SLA
• Intellectual property
• Confidentiality
• Data protection
• Liability
• Termination
• Transition
• Source-code ownership
• Third-party software
• Subcontracting

For significant projects, have your legal and procurement teams review the agreement.

Define Acceptance Criteria

A project should not rely on vague statements such as:

“Website completed.”

Define what completion means.

Acceptance criteria may cover:

• Functional requirements
• Design requirements
• Integration requirements
• Performance requirements
• Security requirements
• Browser compatibility
• Mobile responsiveness
• Data migration
• SEO requirements
• Admin workflows
• Checkout workflows

This reduces arguments later.

Define Warranty Periods

Ask:

• How long is the post-launch warranty?
• What qualifies as a defect?
• What does not qualify?
• How quickly are defects addressed?
• Are third-party failures covered?
• Are enhancements billed separately?

A warranty should not become an unlimited free-development obligation for the agency, but genuine implementation defects should have a defined remediation process.

Understand What Happens If You End the Relationship

This is rarely discussed during sales.

It should be.

Ask:

• How is source code transferred?
• How is documentation transferred?
• How are credentials transferred?
• How are deployment processes documented?
• How are outstanding tickets handled?
• How are third-party licenses transferred?
• Is transition assistance available?
• Is there a transition fee?
• How long does knowledge transfer take?

A professional agency should have a clear transition process.

Evaluate Long-Term Maintainability

The cheapest Magento implementation is not necessarily the cheapest Magento store to operate.

Consider the future cost of:

• Upgrades
• Security patches
• Extension maintenance
• Developer hours
• Infrastructure
• Performance optimization
• Bug fixes
• Custom integrations
• Technical debt

Ask the agency:

“How will the architecture you are proposing affect maintenance over the next three to five years?”

That question moves the conversation from initial development cost toward total cost of ownership.

Think Beyond Launch Day

A Magento store is a living system.

After launch, you may need:

• New payment methods
• New shipping providers
• New markets
• New currencies
• New languages
• New product types
• New customer groups
• New ERP integrations
• New marketing tools
• Security patches
• Magento upgrades
• Performance optimization
• Conversion improvements

Your agency should have the capacity to support that evolution.

A Practical Pre-Sign Magento Agency Checklist

Before signing, make sure you can answer “yes” or provide a satisfactory documented answer to the following.

Agency background

• Magento-specific experience has been verified.
• Adobe Commerce experience has been verified where relevant.
• Similar projects have been reviewed.
• Client references have been checked.
• Partnership and certification claims have been verified where relevant.
• The agency’s business stability has been considered.

Delivery team

• Proposed developers are identified.
• Technical lead is identified.
• QA responsibilities are clear.
• DevOps responsibilities are clear.
• Project management responsibilities are clear.
• Backup staffing is understood.

Technical architecture

• Current Magento version is documented.
• Target version is documented.
• Dependencies have been reviewed.
• Extension inventory has been created.
• Custom code has been reviewed.
• Integration architecture is documented.
• Hosting requirements are understood.

Security

• Security patch process is documented.
• Extension security is considered.
• Admin security is addressed.
• Access management is defined.
• Incident response expectations are documented.
• Backup and recovery processes are understood.

Performance

• Performance baseline exists.
• Performance requirements are measurable.
• Caching strategy is understood.
• Database performance is considered.
• Search performance is considered.
• Checkout performance is considered.
• Monitoring is defined.

Development

• Git/repository ownership is clear.
• Development workflow is documented.
• Code review is defined.
• Core modifications are prohibited or controlled.
• Coding standards are established.
• Documentation requirements are clear.

QA

• QA process is documented.
• Regression testing is defined.
• Integration testing is included.
• Browser/device testing is defined.
• User acceptance testing is defined.
• Production release criteria are documented.

Deployment

• Development environment exists.
• Staging environment exists.
• Production deployment process is documented.
• Rollback process is documented.
• Database deployment process is documented.
• Post-deployment verification is defined.

Commercial

• Total scope is documented.
• Exclusions are documented.
• Assumptions are documented.
• Change-request process is documented.
• Third-party costs are identified.
• Payment milestones are documented.
• Maintenance costs are documented.

Contract

• IP ownership is clear.
• Source-code ownership is clear.
• Repository access is clear.
• Warranty terms are clear.
• Support SLA is clear.
• Termination provisions are understood.
• Transition assistance is defined.
• Data and confidentiality provisions are reviewed.

The Core Principle: Evaluate the System Behind the Sales Pitch

A Magento agency should not be evaluated primarily by:

• The attractiveness of its website
• The size of its sales team
• The number of logos displayed on its homepage
• The lowest hourly rate
• The biggest claimed team size
• The most aggressive delivery timeline

Instead, evaluate the system behind the promise.

That system includes:

• Technical expertise
• Relevant experience
• Delivery methodology
• Architecture
• Quality assurance
• Security
• Performance engineering
• DevOps
• Documentation
• Communication
• Support
• Commercial transparency
• Contractual clarity

This approach produces a much more realistic picture of what you are actually buying.

For Magento projects, this distinction is particularly important because the platform’s lifecycle and security requirements continue to evolve. Adobe’s current lifecycle documentation emphasizes supported versions, security fixes, and compatible dependencies, while its security guidance makes clear that merchants remain responsible for custom code and third-party components. (Experience League)

A capable Magento agency should therefore be able to think beyond the initial build.

It should be able to explain how your store will be:

• Built
• Tested
• Secured
• Deployed
• Monitored
• Upgraded
• Maintained
• Expanded

That is the real evaluation standard.

And before signing, one of the most valuable questions you can ask is not:

“How much will the Magento website cost?”

Instead ask:

“What exactly are we buying, who will deliver it, how will quality be measured, what risks exist, and what will this system cost us to operate after launch?”

That question shifts the agency-selection process from price comparison to informed technical and commercial due diligence.