Table of contents
How we vet every listicle
Every agency featured on Web Tonic passes our 84-point editorial review before a single listicle goes live. This is how we vet each pick:
Verified client outcomes: We require real case studies with measurable KPIs — revenue, ROAS, CPA, retention — tied to the exact category being ranked. No cherry-picked wins, no unverifiable numbers.
Independent reputation: We cross-check Clutch, Google, G2, and Trustpilot ratings, and screen for review-bombing or suspicious patterns. Only operators with a consistent, verifiable track record make the cut.
Beyond that, every listing goes through a quarterly re-audit. We check 84 criteria across 6 pillars to make sure it still holds up — here are some of the checks we run:
A Shopify and ecommerce development agency builds the store itself and then keeps it trading: the theme or headless front end, the app, payment and ERP integrations, migration off WooCommerce, Magento or PrestaShop, product data and checkout work, the speed and conversion fixes that follow launch, and the maintenance retainer that owns the store once real orders are running through it.
Nine external firms serving Paris cleared our check, judged on published store work rather than a menu mentioning e-commerce once. Eight publish a Paris address, one answers from Biarritz, five name Shopify specifically, two name a client, and none publishes a price. The list is short because the evidence was, and we did not pad it.
What does a Paris Shopify and ecommerce agency actually deliver?
A built or migrated store, integrations to payment and logistics tools, and the conversion work after launch. Nine external firms cleared our evidence check, eight publish a Paris base, five name Shopify by name, two name a client, and none publishes a rate.
1. Web Tonic
About: Web Tonic builds stores inside one development programme, so the build, the demand that lands on it and the reporting are planned together rather than handed between suppliers. Paris briefs usually arrive as a replatform with live orders to protect, so we settle migration scope, redirects and who owns the code before we quote. A brand that only wants a theme installed cheaply will be better served by several of the firms below.
Key Services: Growth Marketing, Paid Social, PPC, Meta Ads, SEO, Google Ads, Snapchat Ads, Amazon Ads, Reddit Ads, TikTok Ads, TikTok Shop, GEO-AEO, Webflow Design, Shopify Design, WordPress Design, UGC, Social Media Management, Pay Per Click Management, Marketing Analytics, Analytics Implementation & CDPs, Performance Branding, Performance 360° Audit, Programmatic Ads, OOH Ads, HR Marketing
Industries Served: eCommerce, SaaS, B2B, Construction Professionals, Home Services, SMEs, Health Spa & Wellness, Retail, Legal & Judicial Services, Food & Beverages, Pets, Fitness, Family & Children, Finance & Insurance, Travel, Non-Profits & Organizations, Furniture & Decoration
Notable Clients: WorldRemit, Jack & Jones, Ardene, L’Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: HQ in San Francisco with notable offices in New York, Chicago, Miami, Toronto, Montreal, Dubai, Singapore, Sydney and more. Offices on five continents.
Pricing: Starting at USD $3,000 per month. Flexible and scalable plans at any time according to your enterprise needs. Book a call to learn more.
Great For: Mid-market to enterprise-level businesses requiring ongoing, on-tap growth and performance marketing services.
Website: Web Tonic
2. Alioze France
About: Alioze is a 360-degree digital marketing and communication agency based in Paris that provides web development, e-commerce solutions, and search engine optimization services. The agency supports brands across diverse sectors including luxury, fashion, beauty, and tourism with bespoke digital strategies.
Key Services: Web Development, E-commerce Development, Digital Marketing, SEO, Branding, Advertising
Industries Served: Fashion, Luxury, Beauty, Automotive, Tourism, Health, Culture
Notable Clients: No client publicly named on the firm's own site
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: Alioze France
3. Blacksmith
About: Blacksmith is a Paris-based web agency and startup studio founded in 2016 that offers design, full-stack development, and e-commerce solutions. As an official Shopify partner, they build custom and platform-based online stores alongside cloud architecture and mobile apps.
Key Services: Shopify Development, E-commerce Development, UX/UI Design, Web Development, Cloud & DevOps Architecture
Industries Served: Gaming, Banking & Financials, Healthcare, Retail, Startups
Notable Clients: No client publicly named on the firm's own site
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: Blacksmith
4. Junto
About: Junto is a Paris-based growth marketing and customer acquisition agency that helps ecommerce, SaaS, and lead generation companies scale. Their core services cover performance media buying, tracking and analytics, SEO, and specialized Shopify growth marketing.
Key Services: Growth Marketing, Paid Media, Tracking and Analytics, SEO Consulting, Shopify Growth, Graphic Design
Industries Served: Ecommerce, SaaS, Lead Generation
Notable Clients: Instant Gaming
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: Junto
5. 360 Webmarketing
About: 360 Webmarketing is a digital marketing and web agency based in Paris that supports small and medium-sized enterprises with online visibility strategies. They provide services including natural referencing (SEO), Google Ads campaigns, social media management, website creation, and e-commerce solutions.
Key Services: SEO, Google Ads, Social Media Management, Web Design, Website Creation, Web Copywriting, E-commerce
Industries Served: Startups, Real Estate
Notable Clients: No client publicly named on the firm's own site
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: 360 Webmarketing
6. ETHDIGITAL
About: ETHDIGITAL is a digital and web agency based in Paris that offers services including e-commerce website creation, web platforms, landing pages, and SEO. They focus on helping companies build their online image and achieve their branding and financial goals.
Key Services: Site vitrine, Plateforme web, Landing page, Site e-commerce, Plateforme e-learning, Invitation digitale, Charte graphique, Community management, Référencement SEO
Industries Served: Not publicly stated
Notable Clients: No client publicly named on the firm's own site
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: ETHDIGITAL
7. ELM Digital Agency
About: ELM Digital Agency is a web agency based in Paris that has created over 100 websites for businesses of various sizes over the past 10 years. The agency specializes in digital transformation, SEO, website creation, and e-commerce development.
Key Services: Création de site e-commerce, Création de site vitrine, Développement sur-mesure, Référencement naturel et SEO, Marketing digital, Google My Business
Industries Served: Not publicly stated
Notable Clients: No client publicly named on the firm's own site
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: ELM Digital Agency
8. RERP
About: RERP is a certified Google Partner Premier digital agency providing multi-channel acquisition, search engine optimization, and website creation. Their web design and conversion services include building and structuring sites on platforms such as Shopify, PrestaShop, and WordPress.
Key Services: Google Ads, SEO & GEO, Sites & conversion (Shopify, PrestaShop, WordPress, custom), Data & analytics
Industries Served: Not publicly stated
Notable Clients: No client publicly named on the firm's own site
Locations: Biarritz
Pricing: Quote-based
Great For: Not publicly stated
Website: RERP
9. Markentive
About: Markentive is a digital transformation, inbound marketing agency, and CRM integrator headquartered in Paris, France. Their technical division specializes in web design, development, and migration across platforms like HubSpot CMS, WordPress, and Shopify.
Key Services: Web Design, Website Development, Website Migration, CRM Integration, Growth Marketing, SalesOps & Data Consulting
Industries Served: B2B, B2C, Technology, Consulting, Finance & Insurance
Notable Clients: mc2i
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: Markentive
10. Colibrity Agency
About: Colibrity is an independent digital agency based in Paris that specializes in custom web development, immersive experiences, and e-commerce solutions. They build tailored online stores utilizing major CMS platforms including Shopify, WooCommerce, and PrestaShop.
Key Services: E-commerce Development, Shopify Development, Custom Website Creation, Immersive & 3D/2D Configurator Sites, Strategy and Innovation Consulting, AI, Data & CRM Integration
Industries Served: Not publicly stated
Notable Clients: No client publicly named on the firm's own site
Locations: Paris
Pricing: Quote-based
Great For: Not publicly stated
Website: Colibrity Agency
Quick Comparison Table
| Agency | Key Specialty | Starting Price | Best For |
|---|---|---|---|
| 1. Web Tonic | Full-Service Performance Marketing | USD $3,000/mo | Mid-market to Enterprise |
| 2. Alioze France | Web Development | Quote-based | Not publicly stated |
| 3. Blacksmith | Shopify Development | Quote-based | Not publicly stated |
| 4. Junto | Growth Marketing | Quote-based | Not publicly stated |
| 5. 360 Webmarketing | SEO | Quote-based | Not publicly stated |
| 6. ETHDIGITAL | Site vitrine | Quote-based | Not publicly stated |
| 7. ELM Digital Agency | Création de site e-commerce | Quote-based | Not publicly stated |
| 8. RERP | Google Ads | Quote-based | Not publicly stated |
| 9. Markentive | Web Design | Quote-based | Not publicly stated |
| 10. Colibrity Agency | E-commerce Development | Quote-based | Not publicly stated |
Frequently Asked Questions
Why does this Paris shortlist stop at nine external firms?
Because Paris has a very large agency market and a small share of it publishes real store development work. We read each site for Shopify, Prestashop or custom commerce build pages, migrations and documented projects, then dropped firms whose only reference was a menu item, whose sites were dormant, whose logo could not be verified, or whose actual business is video or advertising production. Nine survived, so nine is what this page lists.
Which firm here is not actually based in Paris?
One. RERP publishes a Biarritz base and sells Shopify, Prestashop and WordPress work nationally, including into Paris. We kept it because the published commerce and analytics work is real, and naming the distance is fairer than dropping the firm quietly. The other eight publish verifiable Paris addresses. Distance matters less than platform depth in store work, but it does decide who attends a launch-week meeting.
Which of these firms name Shopify rather than e-commerce in general?
Five. Blacksmith, Colibrity, Markentive, Junto and RERP publish Shopify work by name, and Colibrity also sells 3D and configurator front ends. Alioze, ETHDIGITAL, ELM Digital and 360 Webmarketing sell site e-commerce and custom development without committing to one platform, which in France often means Prestashop or WordPress. Ask which platform they would choose for your catalogue and payment mix, and what leaving it later would cost.
Only two firms name a client. How should that change the first call?
Junto names Instant Gaming and Markentive names mc2i; the other seven credit nobody on the pages we read. That makes the first call the evidence stage rather than a sales meeting. Ask for two live store URLs in your category, permission to contact one past client, the name of the developer who will write your code, and whether that person is an employee or a subcontractor. Written answers beat a portfolio page.
Nobody publishes a rate. What should a French brand ask instead?
Ask what the number is made of. Fixed price or time and materials, whether product data and content migration are included, how many revision rounds, the cost of monthly maintenance after launch, whether the theme is licensed or custom, who owns the repository, and what a change request costs in month four. Those answers make two Paris quotes comparable; the headline figure on its own does not.
Choosing a Shopify or Ecommerce Agency in Paris
Eight of the nine external firms publish a Paris address, and we named the one that actually answers from Biarritz. With a bench this small, real specialism matters far more than the arrondissement.
Five name Shopify explicitly; the rest build on Prestashop, WordPress or custom stacks. Ask which platform they would choose for your catalogue and what a later migration off it would cost.
Two name a client and not one publishes a rate. Ask for live store URLs, a reference you can ring, and the name of the developer who will actually write your code.
Whoever you brief, insist the build and the demand landing on it are read in one report, because a store with no traffic plan is a design project. If you would rather have the build, the growth programme and the measurement in one place, read our latest analysis or see how we work in Paris.
