What criteria should you consider when choosing your e-commerce agency?
Published on
6/8/25
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5 min

You've decided to take the plunge and create an online store, and you've chosen to turn to a specialized agency? Excellent choice! But how do you find the best e-commerce agency to meet your specific needs? To be sure you make the right choice and avoid common pitfalls, it's essential to analyze certain key criteria beforehand.
If you are still unsure, first read our detailed article: Should you set up your store yourself or use an e-commerce agency? You will find key information to help you make your decision.
1. Technical and technological expertise: a decisive factor
Choosing an e-commerce agency means, above all, opting for solid expertise. Your future agency must be comfortable with modern, high-performance tools such as Shopify, Prestashop, and WooCommerce. It must also master the technical subtleties essential to the proper functioning of your site: SEO optimization, integration of secure payment solutions, efficient inventory management, and connections to logistics systems.
Beyond these technical skills, they must be able to assist you in choosing a CMS that is relevant to your business and your long-term growth objectives.
In addition, your agency must be able to offer a scalable and flexible solution that can easily adapt to market changes and your future ambitions. This technical flexibility will save you significant additional costs each time the market changes or updates occur.
2. Creativity and design expertise for an optimal user experience
The design of an e-commerce site plays a decisive role in the success of your online store. A good e-commerce agency should offer a creative and personalized approach that goes beyond basic templates to perfectly reflect your visual identity.
This agency must master the codes of modern web design: responsive design, intuitive interfaces, smooth and accessible user journeys. These elements ensure a pleasant user experience, which maximizes conversions and improves your customer retention rate.
Don't hesitate to ask for concrete examples of previously completed websites to check that the design is in line with the proposed user experience. The agency must also demonstrate an ability to adapt to market trends and offer continuous improvements to the UX/UI.
3. Project management and strategic support: essential elements
Your e-commerce agency should become a true long-term partner. Good project management and rigorous monitoring are essential to the success of your store. Make sure that the agency you choose has a clear methodology: regular meetings, transparent deadline management, use of modern collaborative tools.
In addition, they must be able to support you beyond the technical launch: marketing strategy, qualified traffic acquisition, optimization of your SEA campaigns (Google Ads), customer loyalty strategies, automated email marketing, etc. This comprehensive strategic support guarantees the sustainability and commercial success of your web project.
4. Budget and value for money: making the right choice
The price charged by an e-commerce agency should never be the sole criterion for choosing one. Take into account the potential return on investment and carefully analyze the quotes provided. Compare the detailed services offered and check that the agency does not apply any hidden costs (hosting, maintenance, future upgrades).
A good agency will offer you a solution tailored to your budget while optimizing your operating costs in the long term. Make sure that the price quoted includes all the services necessary for a high-performance, secure, scalable website that is perfectly suited to your expectations.
5. Customer testimonials and references: the assurance of a successful choice
Client references are a reliable criterion for assessing the quality of an agency. Take the time to check these testimonials, ideally by contacting certain clients directly to get specific feedback on the chosen agency: adherence to deadlines, quality of service, availability, and results achieved.
A transparent e-commerce agency will provide you with this feedback to boost your confidence and enable you to make your decision with complete peace of mind.
To help you choose an e-commerce agency and learn about the pitfalls to avoid, we invite you to watch this video.
Conclusion
Choosing an e-commerce agency is a crucial step in ensuring the success of your online store project. Take these essential criteria into account: technical expertise, creativity in design, quality of project management, strategic mastery of e-commerce, and transparent value for money.
To further your thinking on this topic, feel free to consult our other articles on the subject:
- Creating your own online store: the no-code tools you need to know about
- The 7 essential features of a modern e-commerce website
Do you have a specific e-commerce project in mind? Discuss it now with our Easyweb experts to receive tailored support that is perfectly suited to your business.



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