We build great companies

Transforming unique ideas into successful businesses.

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It all starts with an awesome team of motivated and talented people. Join us.

Builder in Residence

Builders in Residence destiny is to become CEO after undertaking missions for our startups. Do you have what it takes to become a cofounder?

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Hacker in Residence

Behind each great SaaS company there’s a great technical founder. And we’re only excited by ambitious technical challenges. If it’s your case, just apply.

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Expert in Residence

Expert in Residence are essential building blocks of each eFounders company. From designers to marketers or hackers, bring your expertise to build exciting projects.

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Our Story

Thibaud Elzière

Founder & Partner

Quentin Nickmans

Founder & Partner

Matthieu Vaxelaire


Didier Forest

Partner & Creative Director

TextMaster • Translation, copywriting & proofreading by professionnals

TextMaster is a community of experts dedicated to quality copywriting, translation and proofreading of texts in over 8 languages. Going on a huge market (translation) with an innovative approach TextMaster offers a new generation marketplace which helps translators and businesses worldwide.

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Front • Collaborative Inbox

Front is a Collaborative Inbox. Work as a team on your contact@, support@, job@, press@ addresses thanks to assignments, comments, notifications, and more. No more unanswered e-mails, no more dirty bcc or forward to keep people in the loop. E-mail was not designed for collaboration, now it is. And Twitter coming soon.

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PressKing • The first online media relations agency

PressKing is the first media relations agency that is entirely online and through which businesses can send their press releases to journalists and share them on social networks. Pressking is also offering good looking and easy to manage pressrooms for website owners.

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Mailjet • Email delivery made easy

Mailjet is a real-time cloud emailing platform which lets businesses create, send and track their marketing and transactional emails with easy SMTP integration and outstanding deliverability. Mailjet is having a real impact on the cloud emailing market and is building very strong technological competitive advantages.

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Mention • Media monitoring made simple

Mention is Google alert on steroids. Mention enables businesses to create alerts on their name, their brand, their industry and their competitors to be informed of any mention on the web and social networks. Mention is filling a big gap in media monitoring with a powerful and gorgeous product.

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Aircall • Your business phone - reinvented.

Aircall is the easy and smart solution to handle business calls. Buy a number instantly in 40 countries, invite your team mates, start making and receiving calls immediately on your existing devices, handle calls as a team. Aircall provides in minutes all a company needs to manage calls handsomely and adds collaborative features to make it as easy as email.

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Illustrations on steroids • Coming soon.

Stay tuned for more soon.

More projects. More opportunities

Do you think it’s time to improve your internal IT support, contact manager, safe data access and storing, etc? If you do, please get in touch. We are always looking for people with whom we share the same vision.

Saas Club

We track, organize and share the best resources for the SaaS community. Visit project

Startup Pack

Startup Pack offers startups a free software and services bundle to launch and grow their businesses faster. Visit project