In short: Deux.io comes out on top in 2026. It suits startups, e-commerce businesses and B2B companies looking to accelerate their acquisition and prospecting. Bulldozer Collective follows, for scale-ups, SMEs and B2B enterprise accounts seeking a senior, revenue-driven growth team. Markentive completes the podium, for B2B companies wanting to structure marketing and sales around HubSpot. The other seven cover SEO, e-commerce, B2B pipeline and automation.
- Deux.io: For startups, e-commerce businesses and B2B companies looking to accelerate their acquisition and prospecting.
- Bulldozer Collective: For scale-ups, SMEs and B2B enterprise accounts that want a senior, revenue-driven growth team.
- Markentive: For B2B companies that want to structure their marketing and sales growth around HubSpot.
- Datashake: For brands that want to manage all their acquisition channels, in France and internationally.
- Eskimoz: For brands and businesses that want to be visible wherever their customers search, in France and internationally.
- Growth Room: For B2B or B2C companies that want to structure their paid, organic and sales-led acquisition.
- Panja: For ambitious e-commerce businesses that want to entrust all their growth to a single team.
- Uclic: For B2B companies that want to generate pipeline without hiring or managing multiple providers.
- WeDoGrowth: For B2B, e-commerce or retail companies that want to outsource their growth department with prices known upfront.
- Hack'celeration: For startups and large groups alike whose teams waste time on repetitive tasks.
Updated on 2 November 2026.
Why does choosing a growth marketing agency matter so much in 2026?
Acquisition budgets keep climbing. According to the 35th Observatoire de l'e-pub (digital advertising observatory) by SRI and UDECAM, conducted by Oliver Wyman and published in February 2026, digital advertising reached €12.4 billion in France in 2025, up 11%. Social is its main growth driver, at €4.18 billion and up 15%.
The same Observatoire notes that eight global players capture around 76% of the market. So your money mostly goes to a handful of major platforms that anyone can access. An agency's value doesn't lie in that access. It lies in its method: testing fast, measuring accurately, cutting what doesn't pay off and linking every euro spent to revenue.
On the buyer side, the fears are well known. Paying a monthly retainer with no measurable results. Meeting a senior person at the pitch, then working with a junior. Losing control of your ad accounts and data. Being locked into a long contract. This ranking helps you spot the agencies that address these risks.
How did we choose these 10 agencies?
This ranking is based solely on what each company publishes itself (its website, method and case study pages), as read at the time of the update. Four criteria counted:
- Results focus: The agency commits to business metrics such as leads, pipeline or revenue, not vanity metrics.
- Multi-channel expertise: It knows how to combine several channels, from paid to SEO, prospecting, CRM and automation, depending on your sales cycle.
- Team seniority: The people who run your account day to day have proven experience, not just those who turn up to the sales meeting.
- Transparency: Pricing, method, reporting and ownership of accounts and data are clear from the outset.
The 10 Best Growth Marketing Agencies in France (2026)
1. Deux.io
Deux.io is a growth hacking and web marketing agency based in Paris. It helps ambitious entrepreneurs make their revenue take off through growth marketing. Its offering covers conversion-focused SEO, SEA, Social Ads, automated and personalised prospecting, and an Iteration offer to validate your Product Market Channel Fit in 8 weeks. The agency tests its methods on its own tools before rolling them out for clients. It claims to have supported more than 600 clients since 2012.
Strengths:
- More than 600 clients supported since 2012
- Methods tested on its own prospecting tools
- Clients cited: Weglot, Majelan, Cybertek, Altaroc, TeamViewer
Best for: Startups, e-commerce businesses and B2B companies looking to accelerate their acquisition and prospecting.
2. Bulldozer Collective
Bulldozer brings together senior marketing experts augmented by AI, plugged into your organisation to run your acquisition, from lead to revenue. Its full-funnel approach covers three stages: demand generation (ABX, Meta and LinkedIn paid social, AI content), demand capture (SEO, AEO, GEO, SEA 2.0, CRO) and revenue generation (attribution, pipeline optimisation, marketing and sales alignment). It relies on its own tools such as Data:Pilot, ABX Machine, Content:Scale and Hyperlocal-AI. It promises a first measurable impact from the third month.
Strengths:
- Full-funnel approach, from demand generation through to revenue
- Proprietary AI tools: Data:Pilot, ABX Machine, Content:Scale
- Case studies cited: Mooncard, Orus, Payfit, Korben, Adecco
Best for: Scale-ups, SMEs and B2B enterprise accounts that want a senior, revenue-driven growth team.
Visit the Bulldozer Collective website
3. Markentive
Markentive presents itself as the CRM integrator serving your growth. The agency deploys HubSpot, integrates AI solutions, advises on SalesOps and Data, and offers Growth Marketing support to boost your performance and the ROI of your activities. It relies on experienced consultants and solid methodologies: design workshops, technical implementation and integration with existing IT tools. It rounds out its offering with web design, HubSpot training and in-depth sector expertise.
Strengths:
- HubSpot Elite Partner, accredited partner since 2013
- Rated 5.0 from more than 500 client reviews
- Case studies cited: mc2i, TransForce, Kerialis, Engie
Best for: B2B companies that want to structure their marketing and sales growth around HubSpot.
4. Datashake
Datashake presents itself as a digital acceleration group that supports brands across all their growth channels. Its specialist entities cover SEA, SMA, GEA on ChatGPT and generative AI, SEO/GEO, an AI creative studio and tracking. AI is built into its processes to speed up execution. Its teams work as an extension of yours and align trade-offs with your business goals: acquisition, profitability and customer value.
Strengths:
- More than 1,000 advertisers supported and more than €500M managed
- Member of the Google Partners International Growth Program
- Clients cited: Société Générale, Celio, Alan, SwissLife
Best for: Brands that want to manage all their acquisition channels, in France and internationally.
5. Eskimoz
Eskimoz presents itself as the Global Search acquisition agency that turns your digital marketing into a source of revenue. It covers SEO, GEO for visibility on ChatGPT and Perplexity, SEA as a Google Partner Premier, paid media, social ads, CRO, data and content creation. An AI-first agency, it relies on AI agents and a proprietary platform that centralises the management of your acquisition. It has a presence in Paris, Lyon, Bordeaux, Lille and across Europe.
Strengths:
- Global Search approach: Google, LLMs, TikTok, Amazon, Reddit
- Proprietary platform to manage all your digital acquisition
- Case studies cited: ghd, Swile, Randstad, Speedy, Bouygues Immobilier
Best for: Brands and businesses that want to be visible wherever their customers search, in France and internationally.
6. Growth Room
Growth Room is a growth marketing agency based in Paris. It specialises in three acquisition verticals: paid media campaigns (Google, Meta, LinkedIn, Pinterest, ChatGPT Ads), SEO and GEO to be recommended by Google, ChatGPT and Perplexity, and semi-automated digital prospecting right through to HubSpot CRM management. A HubSpot partner, it claims to have supported more than 150 companies and offers a 30-minute call with an expert to identify the right lever.
Strengths:
- Three clear verticals: Ads, SEO and GEO, outbound and HubSpot
- Published case studies with figures, such as Walygator and Zest Planche
- HubSpot partner with free training and a growth newsletter
Best for: B2B or B2C companies that want to structure their paid, organic and sales-led acquisition.
7. Panja
Panja is a full-funnel growth marketing agency dedicated to e-commerce brands on Shopify, WooCommerce and PrestaShop. A single team handles acquisition (Google Ads, Meta, TikTok, Pinterest), production of ad visuals and videos, CRO with landing pages and A/B tests, then retention via email and SMS. Its method follows five steps: hypothesis, experimentation, measurement, learning and scaling. The offer is a subscription at €1,120 excl. VAT per month plus a performance-based variable, with no commitment or setup fees.
Strengths:
- A single subscription covering acquisition, conversion and retention
- Structured five-step experimentation method
- Published pricing, no commitment and no percentage of ad spend
Best for: Ambitious e-commerce businesses that want to entrust all their growth to a single team.
8. Uclic
Uclic presents itself as a B2B and AI growth marketing agency. A senior team, embedded in your organisation, activates three engines: inbound acquisition (SEO, GEO, Google Ads, Meta Ads, LinkedIn Ads, content), sales prospecting (cold email, LinkedIn, cold calling, ABM, enrichment) and digital development (AI agents, n8n and Make automations, CRM, dashboards, websites). The method follows four steps over 90 days: audit, architecture, team and execution. The agency recommends the most useful lever and cuts what isn't working.
Strengths:
- Inbound, outbound and AI brought together in a single senior team
- Four-step method framed over 90 days
- Free audit within 48 hours, rated 5.0/5 on Google
Best for: B2B companies that want to generate pipeline without hiring or managing multiple providers.
9. WeDoGrowth
WeDoGrowth is a growth marketing and growth hacking agency that has been operating since 2016. Every project starts with a fixed-price Mission Commando lasting two to three months, followed by ongoing monthly support. Its method, Croissance Composée (compound growth), follows three steps: experiment, structure, exploit, then continuously roll out new levers. It offers a catalogue of services with published prices, from Meta Ads to bespoke scraping, with a dedicated project manager and a client portal.
Strengths:
- Catalogue of 124 services with published prices
- Three-step method with weekly retrospectives
- Dedicated project manager and client tracking portal
Best for: B2B, e-commerce or retail companies that want to outsource their growth department with prices known upfront.
10. Hack'celeration
Hack'celeration describes itself as an AI, automation and growth ecosystem. Its agency deploys AI agents, n8n and Make automations, CRM ops and AI-SEO for you: audit, scoping, delivery and then handover to your team. Delivery takes 2 to 6 weeks depending on scope. Alongside this, an academy trains your teams through live bootcamps, a Lab compares SaaS tools, and free resources (workflows, tutorials, documentation) round out the offer, together with a community of builders.
Strengths:
- Free 60-minute audit with a costed action plan
- Over 100 projects delivered, according to the website
- Documentation and handover to make your team self-sufficient
Who it's for: startups and large groups alike whose teams lose time on repetitive tasks.
Visit the Hack'celeration website
The 10 Compared in One Table
| # | Company | Who it's for | Key strength | Website |
|---|---|---|---|---|
| 1 | Deux.io | For startups, e-merchants and B2B companies that want to accelerate their acquisition and prospecting. | More than 600 clients supported since 2012 | deux.io |
| 2 | Bulldozer Collective | For scale-ups, SMEs and B2B key accounts that want a senior, revenue-driven growth team. | Full-funnel approach, from demand generation through to revenue | bulldozer-collective.com |
| 3 | Markentive | For B2B companies that want to structure their marketing and sales growth around HubSpot. | HubSpot Elite Partner, accredited partner since 2013 | markentive.com |
| 4 | Datashake | For brands that want to manage all their acquisition levers, in France and internationally. | More than 1,000 advertisers supported and more than €500M managed | datashake.fr |
| 5 | Eskimoz | For brands and companies that want to be visible wherever their customers search, in France and internationally. | Global Search approach: Google, LLMs, TikTok, Amazon, Reddit | eskimoz.fr |
| 6 | Growth Room | For B2B or B2C companies that want to structure their paid, organic and sales acquisition. | Three clear verticals: Ads, SEO and GEO, outbound and HubSpot | growthroom.co |
| 7 | Panja | For ambitious e-merchants who want to entrust all their growth to a single team. | A single subscription covering acquisition, conversion and retention | panja.io |
| 8 | Uclic | For B2B companies that want to generate pipeline without hiring or managing multiple providers. | Inbound, outbound and AI brought together in a single senior team | uclic.fr |
| 9 | WeDoGrowth | For B2B, e-commerce or retail companies that want to outsource their growth department at prices known in advance. | Catalogue of 124 services with published prices | wedogrowth.io |
| 10 | Hack'celeration | For startups and large groups alike whose teams lose time on repetitive tasks. | Free 60-minute audit with a costed action plan | hackceleration.com |
What should you check before signing?
- Ask who will actually work on your account and how many clients each person handles at the same time.
- Insist on case studies close to your sector and business model, with verifiable results.
- Make sure the ad accounts, the CRM and the data remain in your name.
- Read the commitment period, notice period and exit terms before signing.
- Get clarity on the metrics tracked, the reporting frequency and what happens if targets are not met.
And Where Does Esekai Fit In?
Esekai is not included in this ranking because it is not a growth agency. It is a Paris-based vertical video studio founded by Tony Lo. We produce creative ads, UGC and organic content for TikTok, Instagram Reels and YouTube Shorts, and run TikTok Ads and Meta Ads campaigns. A growth agency builds the acquisition machine. We produce the videos that fuel it. Discover Esekai.
Conclusion
There is no single best agency in absolute terms. There is the one that matches your business model, your budget and your level of maturity. Start from your objectives, check references and the actual team, and keep ownership of your data. Then run a short trial before committing for the long term.
Honourable Mentions: 10 More Worth Knowing
| Company | Who it's for | Website |
|---|---|---|
| Inbound Value | For B2B companies that want to generate qualified meetings through content without spending their own time on it. | inboundvalue.com |
| 1min30 | For mid-sized companies, scale-ups and SMEs that want to structure their lead generation and sales around HubSpot. | 1min30.com |
| Primelis | For consumer brands, B2B companies and private equity funds that want measurable, unified growth. | primelis.com |
| YATEO | For brands and e-merchants that want to manage their digital acquisition based on ROI. | yateo.com |
| Noqode | For B2B companies, particularly consultancies, finance and SaaS, that want an acquisition-focused Webflow website. | noqode.fr |
| Growth Hackerz | For B2B companies, particularly SaaS, that want to fill their calendar with qualified meetings with decision-makers. | growth-hackerz.fr |
| Bridgers | For B2B companies and SaaS businesses that want to automate their prospecting and organic acquisition. | bridgers.agency |
| Seventic | For B2B companies in tech, consulting, industry or communications that want to feed their sales team's pipeline. | seventic.com |
| PulpMeUp | For B2B SMEs and mid-sized companies that want to structure their CRM and automate their prospecting. | pulpmeup.com |
| Waisso | For marketing departments that want to manage acquisition, data and MarTech with a single partner. | waisso.com |
Does your company deserve a place in this ranking? Email us at contact@esekai.fr: we read every submission.
Our Other Rankings
- The 10 Best Marketing Automation Agencies in France (2026)
- The 10 Best Email Marketing Agencies in France (2026)
- The 10 Best Website Design Agencies in France (2026)
- The 10 Best E-commerce Agencies in France (2026)
- The 10 Best Link Building Agencies in France (2026)
- The 10 Best GEO (AI Search Optimisation) Agencies in France (2026)
Frequently Asked Questions
- What is a growth marketing agency?
- It is an agency that drives your growth through experimentation. It tests several levers, such as advertising, SEO, prospecting or automation, measures what works and reinvests where the return is highest. Unlike a traditional agency, it judges itself on business results: leads, customers, revenue.
- How much does a growth marketing agency cost?
- The price depends on the scope, the number of levers and the seniority of the team. Most charge a monthly fixed fee, sometimes supplemented by a performance-based variable component. Some, like WeDoGrowth, display their prices upfront. Always ask for a detailed quote and compare what is included, not just the amount.
- Should you hire an agency or recruit in-house?
- An agency gives you immediate access to multiple areas of expertise and tools already in place. Recruiting takes time, and a single hire rarely covers every lever. Many companies start with an agency, then bring the channels that work in-house once the method has been proven.
- How do you choose between the agencies in the ranking?
- Start from your main need. For B2B prospecting and pipeline, look at Bulldozer Collective, Uclic, or Markentive if you use HubSpot. For e-commerce, Panja or Deux.io. For search engine visibility, Eskimoz. To automate repetitive tasks, Hack'celeration. Then meet two or three agencies before deciding.