Our agency, founded in 2014, specializes in the field of growth marketing popularized by many Californian startups that have now become internet giants: Facebook, Tesla, Twitter, Uber, AirBnB, DropBox, Spotify, Pinterest …

We implement the AARRR method to optimize the digital efficiency of your ecosystem over all phases of your conversion tunnel by harmonizing the end-to-end customer experience.

The 5 growth steps


Attract your new prospects
  • Brand identity
  • Acquisition of fans
  • Trafic generation
  • Downloads application
  • videos viralization
  • RTB Programmatic
  • SEO & ASO


Develop your community
  • PRM set-up
  •  UX Audit and optimization
  •  Signup improvment
  • Contest, quiz
  • dedicated social application
  • A/B testing of landing pages
  • l


Increase value and volume of your clients
  • Analytics ROI follow-up
  • Définition of the levers of conviction
  • Conversion rate increase
  • Monetization
  • Ecommerce Optims
  • Client Satisfaction


Know and retain your customers
  • Community Management
  • Segmentation clients
  • Modélisation data
  • Mise en place DMP/CDP
  • Programmes de fidélité CRM
  • Newsletters et emailing


Activate your prescribing ambassadors
  • User Generated Content
  • Identification of ambassadors
  • Bloggers and influencers relations
  • Digital medias relations
  • E-Réputation watch

We support you in implementing the entire methodology in your company:


Find unique, creative and profitable ways to stimulate your acquisition of prospects and customers by identifying the levers that really perform in a sustainable way. Our goal: to acquire the maximum of qualified traffic. Our Growth Marketers explore all digital channels (social media, search, RTB programmatic, Amazon …) and conduct rapid experiments to determine which ones offer the maximum growth for your business.


When the traffic is optimal, we convert the audience. Interest the user, bring him to action, to discover the use value of your products: newsletter, subscription … At the same time, we are developing your community in order to increase your PRM and implement all improvement projects necessary: ​​UX optimization, signup improvement, dedicated social applications, etc … Our social media managers drive the development of your social ecosystem.


We design and implement campaigns to convert your prospects into customers and thus generate income for your business. ROI analytics monitoring, definition of conviction levers, increase in conversion rates, monetization, ecommerce optims, customer satisfaction, etc … Our teams constantly analyze the data collected at each stage of your conversion funnel in order to increase your turnover and optimize your attribution levers to increase your profitability.


When the target is federated in your digital ecosystem, we analyze it in order to develop adapted and personalized communications. The objective being: recurrence and loyalty. In the reminder system, the user is called upon and informed about your products regularly in order to maximize your retention rate: customer segmentation, data modeling, implementation of DMP, CDP,

fidélité CRM, newsletters, campagnes de Retargeting…


This last step allows you to set up a viral loop by detecting and using your brand ambassadors, by contacting influencers who know your target and correspond to your identity, by encouraging your customers to convince their loved ones to take action, by involving your employees through brand advocacy programs, etc … We also use the content generated by your customers to serve as reassurance and as a lever of conviction for your future buyers.


Growth starts with a deep understanding of product value and is about moving new users to the Aha! moment as quickly as possible, measurable in seconds.

Chamath PALIHAPITIYACEO Social Capital, Led Growth at Facebook from 2007-2011

Our main referencies

Best Cases

RENOVATION MAN - De 0 à plusieurs milliers de lead CSP+ chaque année
WEMOMS - De 0 à 10 millions de lecteurs chaque mois
PRESCRIPTION LAB - De 0 à 20.000 box mensuelles
SPIN MASTER - +43% de ventes Amazon YTY
ELLE - Chiffre d'affaires Social Media X10 en 6 mois
AUCHAN - ROAS Facebook Ads › 23
DODIE - + 1549,84% de social proofs YTY
SMALLABLE - ROAS moyen › 60 en deux mois

Case Smallable

Facebook Ads
Un ROAS de x67 pour le concept store premium Smallable
A x67 ROAS for the Smallable premium concept store

Le communiqué / The Press Release

L'article / The article

Le Case Facebook / The Facebook Case

Parlez nous de votre projet !

Nos agences







L'agence au service d'une croissance durable

Fortement engagés pour la croissance de nos clients, notre conviction stratégique est que celle-ci doit être pérenne et respectueuse de l’écosystème de chacun d’entre eux : employés, partenaires, fournisseurs, clients, tissu économique local, ressources, environnement…

Afin de mettre en place des fondations solides conçues pour durer et grandir sereinement, l'agence Les Causantes a mis en place une charte RSE stricte, et est aujourd'hui certifiée EQUOVADIS 2019 Silver.