In short: In 2026, three agencies stand out. Dn'D suits brands and retailers, B2C or B2B, that want to rebuild, develop or maintain an ambitious platform. DATASOLUTION is aimed at large accounts, mid-sized companies, retailers, pure players and marketplaces that want a solid platform backed by their data. Clever Age targets large companies transforming their omnichannel commerce with a partner that advises, builds and operates. The next seven meet more specific needs, from CRM and PIM integration to Shopify for fashion and beauty.
- Dn'D: For B2C or B2B brands and retailers that want to rebuild, develop or maintain an ambitious e-commerce platform.
- DATASOLUTION: For large accounts, mid-sized companies, retailers, pure players and marketplaces that want a solid e-commerce platform backed by their data.
- Clever Age: For large companies that want to transform their omnichannel commerce with a partner able to advise, build and operate.
- Synolia: For companies that want an integrator able to bring together e-commerce, CRM, PIM and data in a single project.
- Galadrim: For companies, from start-ups to large groups, that want a bespoke e-commerce or marketplace platform.
- Soledis: For B2C and B2B brands that want to create, migrate or boost the performance of an e-commerce site with a single partner.
- PH2M: For brands and retailers that want a technical, robust e-commerce platform connected to their information system.
- Antadis: For B2C or B2B pure players, brands and retailers that want to create, rebuild or maintain a complex e-commerce site.
- W3lead: For fashion, beauty, luxury or lifestyle brands that want to create, migrate or optimise a Shopify site.
- Dedi Agency: For B2B and B2C brands that want to create, rebuild or migrate their e-commerce site with a long-term partner.
Updated on 1 November 2026.
Why does choosing an e-commerce agency matter so much in 2026?
The market is still buoyant, but it has matured. According to the Fevad annual report published in February 2026, online sales of goods and services reached €196.4 billion in 2025, up 7% year on year. The same federation counts more than 158,000 active online shops. Competition is fierce. An average site is no longer enough.
The nature of growth has also changed. Fevad notes that in 2025 French consumers bought more often, but the average basket shrank. According to the same source, marketplaces account for 32% of business volume in online product sales. An Odoxa study carried out for Fevad also shows that 31% of online shoppers already use generative AI in their purchase journey. Your platform needs to keep up with these habits.
On the buyer side, the fears are well known. A project that overruns on time or budget. A platform delivered and then poorly maintained. An agency strong on technology but out of touch with your business challenges, or the other way round. Dependence on a provider you can no longer leave. This ranking helps you limit these risks by choosing a partner suited to your size and your project.
How did we choose these 10 agencies?
This ranking is based solely on what each company publishes itself (its website, its methodology and case-study pages), as read at the time of the update. Four criteria counted:
- Technical expertise: We selected agencies able to design, integrate and maintain demanding e-commerce platforms connected to the information system.
- Fit with client profile: Each agency has a clear target, from pure players to large accounts, which helps you find the one already working with companies like yours.
- Long-term support: We favoured partners that look after the site after go-live, with maintenance, new features and optimisation.
- Overall view of the project: The selected agencies connect the platform to data, CRM, PIM or omnichannel, rather than delivering a standalone site.
The 10 Best E-commerce Agencies in France (2026)
1. Dn'D
Dn'D supports brands from consulting through to delivery of digital, e-commerce, tech and AI projects, in both B2C and B2B. The agency scopes, recommends and then produces: its consultants come up with actionable recommendations, and its project, design and development teams handle the build and the run. It works on Magento Adobe Commerce, Shopify, Akeneo PIM, OroCommerce, Sylius and Webflow, and also covers CRO, CRM, marketplaces and maintenance. It has offices in Paris, Montpellier, Lille, Nantes, Lyon and Mulhouse.
Strengths:
- From strategic consulting to build and run, seamlessly
- Clients such as Galeries Lafayette, Zadig&Voltaire, Alain Afflelou, Cafés Richard
- Over seventeen years of claimed e-commerce experience
Who it's for: B2C or B2B brands and retailers that want to rebuild, develop or maintain an ambitious e-commerce platform.
2. DATASOLUTION
DATASOLUTION describes itself as a Digital & AI Factory. It designs and launches AI-enhanced B2C, omnichannel and B2B e-commerce platforms. It also covers master data (PIM, MDM, DAM), data and agentic AI, CRM and ERP, cloud and cybersecurity. It claims more than 20 years of expertise, 330 employees and offices in several French cities, including Paris, Lyon and Lille. It is ISO 27001 certified.
Strengths:
- AI-enhanced B2C, B2B and headless e-commerce platforms
- PIM, MDM and DAM expertise to make product data reliable
- Clients cited: RAJA, Ekosport, Monnaie de Paris, Paredes
Who it's for: Large accounts, mid-sized companies, retailers, pure players and marketplaces that want a solid e-commerce platform backed by their data.
3. Clever Age
Clever Age presents itself as a group covering the entire omnichannel production chain. Its CONSULTING TO DELIVERY approach runs from strategy to development, then KPI-driven optimisation. On the e-commerce side, its Unified Commerce offering spans e-commerce orchestration, headless services (OMS, Pricing Engine) and online/offline journeys. The group has been integrating Adobe Commerce (formerly Magento) for more than fifteen years. It also works on product and customer data, enterprise architecture and AI.
Strengths:
- CONSULTING TO DELIVERY approach, from consulting to optimisation
- Adobe Commerce (formerly Magento) expertise for more than fifteen years
- Complete omnichannel offering: PIM, OMS, CRM, data, AI
Who it's for: Large companies that want to transform their omnichannel commerce with a partner able to advise, build and operate.
4. Synolia
Synolia is a consultancy and integrator for e-commerce, CRM, PIM/DAM, OMS and data projects, with offices in Lyon, Paris, Rennes, Bordeaux, Strasbourg and Santiago de Chile. Since 2004, it has supported clients on what it calls the Digital eXperience Platform. Its consulting team sees itself as a conductor: it studies your context before choosing the strategy and solutions. It integrates Adobe Commerce, Magento/Hyvä, OroCommerce, Shopify, Sylius and Akeneo, among others, with audits, UX/UI design, training and support.
Strengths:
- Supporting clients on e-commerce, CRM and data since 2004
- Integrator of Adobe Commerce, Shopify, OroCommerce, Sylius and Akeneo
- Client testimonials from Lafuma Mobilier, Fermob and SavoirsPlus
Who it's for: Companies that want an integrator able to bring together e-commerce, CRM, PIM and data in a single project.
5. Galadrim
Galadrim is an AI and bespoke development agency, operating since 2017. It builds business software, SaaS platforms, AI agents and e-commerce and marketplace platforms, described as robust and optimised to maximise your conversions. The agency puts together a team of experts dedicated to your product, with no middlemen, from design to production maintenance. It covers product strategy, UX/UI design, web and mobile development, DevOps and cybersecurity, and uses AI to speed up cycles.
Strengths:
- More than eight hundred organisations supported, according to its website
- Dedicated team, direct contacts all the way to production
- Solid references such as Project X Paris's ERP
Who it's for: Companies, from start-ups to large groups, that want a bespoke e-commerce or marketplace platform.
6. Soledis
Soledis is an e-commerce and web marketing agency based in Brittany, which describes itself as an architect of intelligent e-commerce experiences. It creates, rebuilds and migrates sites on Shopify, PrestaShop, Sylius or WordPress, in both B2C and B2B. It also handles SEO, GEO, ads, automation, tracking and data. Its offering covers branding, UX and UI, AI agents, ERP, CRM and PIM connectors, as well as hosting and maintenance.
Strengths:
- Shopify, PrestaShop and Sylius expertise, with in-house apps and modules
- Complete offering: site, web marketing, AI, connectors, hosting
- Clients cited include Café Joyeux, Véto Avenue and La ferme Sainte Marthe
Who it's for: B2C and B2B brands that want to create, migrate or boost the performance of an e-commerce site with a single partner.
7. PH2M
PH2M is a Toulouse- and Paris-based agency that develops bespoke e-commerce solutions for brands and retailers. It works on Magento, Adobe Commerce, Shopify, Front-Commerce and Hyvä, in both B2C and B2B. Its services cover code and architecture audits, development, connection to the information system (ERP, PIM, ETL) and training. Its method is inspired by Agile: pair programming, code review, automated testing and deployment.
Strengths:
- Magento hyper-specialists for more than seventeen years
- Team of 13 Adobe Commerce and Shopify certified developers
- More than 240 projects, including Devialet and Comtesse du Barry
Who it's for: Brands and retailers that want a technical, robust e-commerce platform connected to their information system.
8. Antadis
Antadis is a digital e-commerce agency based in Paris and Lausanne, with 20 years of expertise in the sector. It handles the creation, rebuild, migration and third-party application maintenance of B2C, B2B and omnichannel e-commerce sites. It also offers consulting: digital strategy, IT scoping, UX and CRO, experience design. On the technical side, it connects tools (OMS, PIM, CRM), develops custom business features and offers headless solutions. Its approach to development aims to be technology-agnostic and focused on business challenges.
Strengths:
- Claimed e-commerce expertise of 20 years
- Clients cited: Izipizi, Raymond Weil, Heytens
- Member of Fevad since 2018
Who it's for: B2C or B2B pure players, brands and retailers that want to create, rebuild or maintain a complex e-commerce site.
9. W3lead
W3lead is a Paris-based e-commerce agency, operating since 2013 and a certified Shopify Plus Partner. It designs, develops and optimises fast, high-performing bespoke Shopify sites. Its team brings together UX/UI designers, developers, project managers and web analysts. It provides consulting, UX/UI design, development (migrations, ERP connectors, custom apps, headless) and optimisation: CRO, A/B testing, tracking and Klaviyo email marketing. It specialises in luxury, fashion, beauty and lifestyle.
Strengths:
- Certified Shopify Plus Partner and Klaviyo Platinum Partner
- Successful Shopify migrations for Jennyfer and Qwetch
- Specialised in luxury, fashion, beauty and lifestyle
Who it's for: Fashion, beauty, luxury or lifestyle brands looking to build, migrate or optimise a Shopify site.
10. Dedi Agency
Dedi Agency is an e-commerce and digital marketing agency based in Lyon since 2004. It builds, redesigns and migrates B2B and B2C e-commerce sites on Shopify, Shopify Plus, Sylius or BigCommerce. Its method follows three stages: strategy, agile production, then ongoing support through BigDedi, an outsourced digital service of 30 specialists. It also covers SEO, GEO, Google Ads, data, UX/UI and AI applied to commerce.
Strengths:
- More than twenty years of e-commerce experience in Lyon
- Migrations and replatforming that preserve SEO
- BigDedi outsourced service for a long-term partnership
Who it's for: B2B and B2C brands looking to build, redesign or migrate their e-commerce site with a long-term partner.
The 10 Compared in One Table
| # | Company | Who it's for | Key strength | Website |
|---|---|---|---|---|
| 1 | Dn'D | For B2C or B2B brands and retailers looking to redesign, develop or maintain an ambitious e-commerce platform. | From strategic consulting to build and run, seamlessly | dnd.fr |
| 2 | DATASOLUTION | For key accounts, mid-sized companies, retailers, pure players and marketplaces wanting a solid e-commerce platform built on their data. | AI-enhanced B2C, B2B and headless e-commerce platforms | datasolution.fr |
| 3 | Clever Age | For large companies looking to transform their omnichannel commerce with a partner able to advise, build and operate. | CONSULTING TO DELIVERY approach, from consulting to optimisation | clever-age.com |
| 4 | Synolia | For companies wanting an integrator able to connect e-commerce, CRM, PIM and data within a single project. | Supporting clients on e-commerce, CRM and data since 2004 | synolia.com |
| 5 | Galadrim | For businesses, from start-ups to large groups, wanting a bespoke e-commerce or marketplace platform. | More than eight hundred organisations supported, according to its website | galadrim.fr |
| 6 | Soledis | For B2C and B2B brands looking to build, migrate or boost the performance of an e-commerce site with a single partner. | Shopify, PrestaShop and Sylius expertise, with in-house apps and modules | soledis.com |
| 7 | PH2M | For brands and retailers wanting a technical, robust e-commerce platform connected to their information system. | Magento hyper-specialists for more than seventeen years | ph2m.com |
| 8 | Antadis | For B2C or B2B pure players, brands and retailers looking to build, redesign or maintain a complex e-commerce site. | Claimed e-commerce expertise of 20 years | antadis.com |
| 9 | W3lead | For fashion, beauty, luxury or lifestyle brands looking to build, migrate or optimise a Shopify site. | Certified Shopify Plus Partner and Klaviyo Platinum Partner | w3lead.com |
| 10 | Dedi Agency | For B2B and B2C brands looking to build, redesign or migrate their e-commerce site with a long-term partner. | More than twenty years of e-commerce experience in Lyon | dedi-agency.com |
What should you check before signing?
- Ask for recent references on projects similar to yours in size and sector, then call those clients directly.
- Ask exactly who will actually work on your project, with which profiles and what availability.
- Check that the quote details the scope, the deliverables and how out-of-scope requests will be handled.
- Clarify ownership of the code, access and data, as well as the reversibility terms if you change provider.
- Read the maintenance and support commitments after go-live: response times, on-call cover and monthly cost.
And Where Does Esekai Fit In?
Esekai is not part of this ranking: it is a Paris vertical video studio founded by Tony Lo, not an integrator. The ranked agencies build your site. Esekai brings customers to it with creative ads, UGC and TikTok Ads and Meta Ads campaigns. More than 350 brands supported in 3 years, including e-commerce brands, and over 60 million views generated. See https://esekai.agency/etude-de-cas. Discover Esekai.
Conclusion
There is no best agency in absolute terms. There is the one that fits your size, your platform and your ambitions. Start from your real needs, meet a few agencies from this ranking, and compare their references and maintenance commitments. Then choose the partner you can move forward with confidently for several years.
Honourable Mentions: 10 More Worth Knowing
| Company | Who it's for | Website |
|---|---|---|
| Ultro | For D2C and B2B brands looking to redesign or migrate their e-commerce site with high UX standards. | ultro.fr |
| Calliweb | For SMEs, mid-sized companies and large groups launching or redesigning a B2C or B2B e-commerce site. | calliweb.fr |
| Advisa | For B2B or B2C brands and retailers looking to build, develop or maintain a high-performing e-commerce site. | advisa.fr |
| Colorz | For fashion, luxury, beauty or lifestyle brands looking to build or redesign their Shopify store. | colorz.fr |
| 410 Gone | For online retailers on Magento, Prestashop or Shopify wanting a robust platform and more qualified traffic. | 410-gone.fr |
| Arobases | For very small businesses and SMEs, particularly industrial or B2B, wanting an e-commerce site connected to their management tools. | arobases.fr |
| Agillia | For SMEs, small and medium-sized manufacturers and mid-sized companies wanting a B2B or B2C e-commerce site connected to their business tools. | agillia.fr |
| Skilz | For SMEs and mid-sized companies on Magento that also want to automate and gain visibility. | skilz.fr |
| Weeby | For merchants in retail, fashion, food, beauty or homeware looking to build their site or boost its performance. | weeby.fr |
| Webperfect | For businesses looking to build or redesign an online shop and manage its customer acquisition with a single partner. | webperfect.fr |
Does your company deserve a place in this ranking? Write to us at contact@esekai.fr: we read every submission.
Our Other Rankings
- The 10 Best Link-Building Agencies in France (2026)
- The 10 Best GEO (AI Search Optimisation) Agencies in France (2026)
- The 10 Best Google Ads Agencies in France (2026)
- The 10 Best SEO Agencies in France (2026)
Frequently Asked Questions
- How much does an e-commerce agency cost?
- The price depends on the scope, the platform chosen and the level of integration with your information system. A standard Shopify site and a bespoke platform connected to an ERP, a PIM and a CRM are in no way comparable. Ask for several detailed quotes based on the same specification. Factor maintenance and future developments into your calculation, not just the build.
- Should you choose an agency specialised in one platform?
- If you already know which solution you want, an agency specialised in that platform will move faster and know its limits. W3lead, for example, focuses on Shopify. If you haven't decided yet, opt for an agency that advises on several technologies and helps you weigh up the options based on your catalogue, your volumes and your information system.
- Which agency should a key account or mid-sized company choose?
- For a heavy, omnichannel or highly data-driven project, look first at Clever Age, DATASOLUTION, Dn'D and Synolia. They know how to connect the platform to the CRM, the PIM and internal tools. PH2M and Antadis are also relevant for technical, complex sites. In every case, check their references in your sector.
- Does an e-commerce agency also handle advertising and content?
- Some agencies also offer customer acquisition, but their core business remains the platform: design, integration, performance and maintenance. For social videos, UGC or TikTok and Meta campaigns, many brands work in parallel with a specialist studio. What matters is that both partners share your objectives and your conversion data.