A digital group born
to build
The Citadel — ÉPOPÉE Group is a digital company that designs, publishes and deploys digital solutions for organisations ready to conquer their market.
We believe every organisation — from the corner shop to the multi-site network — deserves digital tools that match its ambition. Digital transformation should not be a luxury reserved for large corporations.
To be the go-to digital partner that guides organisations through their digital shift — by designing proprietary products, building bespoke platforms and deploying sustainable growth strategies.
Four convictions that
define us
Excellence
Every deliverable carries our signature. We never compromise on quality — our reputation depends on it.
Sovereignty
We develop our own products and control every link in our chain. No dependency, no concessions.
Impact
We don't create for the sake of creating. Every solution must concretely transform our client's business.
Durability
We build for the long term. No disposable solutions — solid foundations that stand the test of time.
At the heart of
local business
Our Chatou office is the beating heart of our mission to local businesses. Garages, restaurants, grocery stores, construction professionals — we work alongside the local economic fabric to modernise every part of their operations. Our conviction: local businesses deserve the same digital standards as large corporations.
Want to build
together ?
Let's discuss your project and see how our expertise can serve your ambition.
Contact us