Creating Together
a Useful and Sustainable Digital World
Moving forward together.
This is the same project that we have been proposing to our customers and employees for over 40 years.
A partnership in which each of us can achieve his objectives, for a common success, at the service of our users.
This is the same project that we have been proposing to our customers and employees for over 40 years.
A partnership in which each of us can achieve his objectives, for a common success, at the service of our users.

Business Apps
- Accelerate your digital transformation, gain agility, optimize your IT.

Mobile Apps
- Succeed in your mobile projects with the right technological support.

Cloud Ops
- Improve your IT performance with customized hosting and outsourcing.

Web Factory
- Easily deploy personalized content and web services.

Service Design
- Involve your users, co-design intuitive and attractive user experiences and interfaces, prototype and evaluate your ideas.

Geo Data
- Enhance your data by geolocating them, manage your resources, improve your UX.
Our Achievements
700
- collaborators
54 M€
of turnover in 2022
43
years of experience
12
agencies in 3 countries
Working at Sully...
... is to share a common project, in solidarity and aiming at the development of each one. It means being entrusted with missions in a process of agility, accountability and exchange. It means having the opportunity to evolve in the direction of one's choice, with the support of a close management and sustainable perspectives.
What our teammates have to say
"We feel like we are being listened to, Sully is human-sized!"
Guillaume & Michel
Developers in Lyon
Our News
Our Vision
People are at the heart of what we do:
we work for the satisfaction of our customers, our employees and our users.
we work for the satisfaction of our customers, our employees and our users.