How to Choose an E-Commerce Company: 10 Criteria Before Requesting a Proposal

How Should Requirements Be Defined Before Choosing a Company?

Before choosing an e-commerce company, the business should define its project scope at a practical level. A completed technical specification is not required, but the sales model, target users, product structure, payment and shipping requirements, existing systems, integration expectations, and post-launch support needs should be explained. This information helps candidate companies address the same problem and makes their proposals more comparable.

A shared project brief is the foundation of company comparison

Explaining the project differently to every company naturally produces proposals based on different assumptions. Candidates should therefore receive the same short brief describing business goals and core requirements. The first criterion in company selection is not designing the solution in advance but defining the need clearly. Technical details can then be developed collaboratively during discovery.

• Define the B2B, B2C, or hybrid sales model
• Explain product, category, and variant structures
• Specify payment, shipping, and marketplace requirements
• List ERP, CRM, and existing systems
• Describe multilingual and data migration requirements
• Share maintenance and technical support expectations

Quality is everyone's responsibility. - W. Edwards Deming

How Should an E-Commerce Company's Portfolio Be Evaluated?

An e-commerce company's portfolio should not be reviewed only for homepage design or visual aesthetics. Live projects should be assessed for product discovery, category and filtering structures, mobile use, cart and checkout experiences, membership, user roles, and performance. Experience in the same industry can be useful, but experience with similar product complexity or operational requirements can also be highly relevant.

Ask what the company actually delivered in each reference project

Do not assume that every feature visible in a portfolio project was developed by the company being evaluated. The team may have been responsible only for UX/UI, frontend development, integrations, or selected modules. When considering how to choose an agency for e-commerce website development, ask which parts of the project the company delivered, which technical problems it solved, and how existing systems were integrated.

• Review the usability of live projects
• Examine product and category architecture
• Test mobile shopping and checkout experiences
• Evaluate B2B or mixed user roles
• Ask about projects involving integrations
• Understand the company's actual project responsibilities

How Can You Assess an E-Commerce Company's Technical Capability?

An e-commerce company's technical capability cannot be measured only by the programming language, framework, or platform it uses. Requirements analysis, architectural approach, data modeling, API usage, performance, security, testing, documentation, and maintenance should be considered together. The ability to connect technology choices to actual project requirements is more meaningful than the names of individual technologies.

The company should be able to explain its technology choices

Using an off-the-shelf e-commerce platform does not indicate technical weakness, and custom software development does not automatically indicate superior capability. The candidate should explain why a particular platform is recommended and how it affects scalability, integrations, maintenance, and total cost of ownership. The technical criteria used when choosing a web development agency can also support this assessment.

• Requirements analysis and technical discovery approach
• Backend, frontend, and data architecture
• API and integration development experience
• Performance and scalability approach
• Testing and version control processes
• Documentation and maintenance model

How Should UX/UI and Mobile Experience Be Evaluated?

An e-commerce agency's UX/UI capability should not be judged only by whether its interfaces look modern. Evaluate how users discover products, filter results, select variants, add products to a cart, create accounts, and complete checkout. Mobile experience should also be assessed according to its own usage conditions rather than treated as a smaller version of the desktop interface.

Interface design should cover real shopping scenarios

Forms, error messages, empty states, out-of-stock products, failed payments, and loading states can reveal the practical quality of a design system. Using a design system or a ready-made UI kit is not inherently positive or negative. What matters is whether components are used consistently, remain accessible, and can be maintained effectively by the development team.

• Product discovery and filtering experience
• Cart and checkout user flow
• Usability on mobile screens
• Form, error, and empty state designs
• Accessibility and readability approach
• Component and design system consistency

How Can You Verify E-Commerce Integration Capability?

To determine whether a company can deliver payment, shipping, and ERP integrations, it is not enough to hear that it has completed integrations before. The company should be able to explain which data moves in which direction, how synchronization is managed, what happens when errors occur, and how third-party API limitations affect the project. Data-flow complexity matters more than the number of integrations alone.

Discuss ERP and operational integrations through real data flows

The integrations required for an e-commerce website vary by project model. Payment systems require successful and failed transaction scenarios, shipping involves shipment creation and tracking, and ERP connections may require product, stock, price, and order synchronization. If CRM or marketplace integrations are needed, data ownership, synchronization direction, and error management should also be discussed during technical evaluation.

• Payment flow and failure scenarios
• Shipment creation and tracking processes
• ERP product, stock, and price synchronization
• Order and customer data flows
• Marketplace and CRM connections
• API error handling and data mapping

How Should SEO, GEO, and Performance Capability Be Assessed?

When evaluating an e-commerce company, its SEO, GEO, and performance approach should not be judged only by metadata or the strength of its hosting package. URL structure, canonical implementation, schema, crawl architecture, the technical structure of category and product pages, Core Web Vitals, and frontend performance should be considered together. GEO also depends on clear information architecture and content that machines can understand.

Ask which layers are included in performance responsibility

An e-commerce SEO approach should be evaluated together with technical architecture. Likewise, site speed optimization can involve images, frontend code, third-party scripts, cache, CDN, backend systems, and database performance. If a company explains performance problems only by recommending a stronger server, the remaining layers should also be questioned.

• URL and crawl architecture
• Canonical and schema configuration
• Category and product SEO approach
• GEO and semantic content structure
• Core Web Vitals monitoring
• Frontend, backend, cache, and CDN optimization

How Should Security and Testing Be Evaluated?

An e-commerce software company's security capability cannot be assessed only by whether it uses SSL. Administrator access, user permissions, software updates, security patches, customer data protection, logging, backups, and third-party service connections should all be considered. A company should avoid presenting any system as absolutely secure and instead explain how risks are identified and managed.

Testing practices make launch risks more visible

Functional testing, integration testing, and user acceptance processes can be defined as separate responsibilities within the proposal. Critical flows such as payment, orders, inventory, and shipping should be tested for error conditions as well as normal scenarios. For personal data requirements, focus on the company's technical approach to data security, access control, and logging rather than treating the discussion as legal advice.

• Administrator access and authorization structure
• Update and security patch processes
• Logging, monitoring, and backup approach
• Functional and integration testing
• User acceptance testing responsibilities
• Launch and rollback planning

Who Should Own Source Code and E-Commerce Data?

There is no single ownership model for source code and data that applies to every project; usage, delivery, access, and transfer conditions should be stated clearly in the proposal and contract. Source code should not automatically be assumed to belong to the client. However, access to product, order, and customer data and the ability to export that data should be evaluated clearly because they affect the business's operational independence.

Account ownership and portability are company selection criteria

It matters whose name is used for domains, hosting, analytics, payment providers, and third-party service accounts. Licensed software, fonts, themes, or extensions may also have separate usage and transfer conditions. If the project needs to move to another company, the delivery process for source files, data, credentials, backups, and technical documentation should be defined in advance.

• Source code usage and delivery conditions
• Access to product, customer, and order data
• Data export and backup capabilities
• Domain and hosting account ownership
• Control of payment and analytics accounts
• Transfer conditions for licensed components

How Should Project Management and Contracts Be Evaluated?

Project management and contract structure can influence company selection as much as technical capability in an e-commerce project. Before purchase, clarify who manages the project, which communication channels are used, how meetings and reporting work, how approvals are obtained, and how scope changes are handled. A larger team does not automatically create better project management; clear responsibilities are more important.

Separate revisions, defects, and new development

From the perspective of managing a project with a web software agency, clear delivery and approval stages are important. A design revision, correction of a software defect, and addition of a new feature are different types of work. The contract should define deliverables, out-of-scope requests, acceptance criteria, and the responsibilities of both parties as clearly as possible.

• Project manager and areas of responsibility
• Meeting and reporting structure
• Approval and decision mechanisms
• Scope change management
• Delivery and acceptance criteria
• Separation of revisions, defects, and new development

How Should Maintenance and Technical Support Be Evaluated?

The maintenance and technical support model shows how operations will continue after an e-commerce project is delivered. Ask exactly which services are included in maintenance; updates, defect fixes, monitoring, backups, security checks, or small enhancements may not automatically be included in every agreement. Assumed industry-standard warranty or support periods should not be used when comparing companies.

Balance local access with the expertise the project requires

For a business that values face-to-face or on-site meetings in Ankara, working with a local e-commerce company may be a preference, but being in the same city is not a guarantee of technical quality. A remote specialist team can also work effectively with clear communication, project management, and support processes. What matters after launch is whether support scope, responsibilities, and technical maintenance align with the business's needs.

• Services included in maintenance
• Defect correction and update model
• Backup and monitoring responsibilities
• Scope of security maintenance
• Management of new development requests
• Support and communication responsibilities

How Should E-Commerce Proposals and Companies Be Compared?

E-commerce proposals should be compared using the same project requirements, deliverables, and responsibilities. A lower price may reflect a narrower scope, fewer integrations, or a different support model, while a higher price may include broader discovery, development, or maintenance services. Total price alone is therefore not evidence of quality. Company selection becomes more reliable after included and excluded services are made visible.

Use the same 10 criteria for every final candidate

Send the same project brief to each candidate and use the same criteria for internal evaluation. A fixed scoring formula is not necessary; what matters is asking every company the same questions. Effective e-commerce company comparison evaluates price together with scope, technical capability, ownership, and the sustainability of the working relationship.

• 1. Portfolio and e-commerce experience | 2. Requirements analysis approach
• 3. Technical infrastructure capability | 4. UX/UI and mobile experience
• 5. Integration capability | 6. SEO, GEO, and performance approach
• 7. Security and testing processes | 8. Source code and data ownership
• 9. Project management and contract | 10. Maintenance and post-launch support