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About Us

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5th floor @ Gazelles 2024

Our History

5th floor, an agile company, was created in 2017 by its five founders: Vincent Warnimont, Luc Vansteenkiste, Gilles Stragier, Evert Penninckx and Gaƫtan Seel.

From a handful of consultants at the outset, we now have more than 130 employees ready to support your digital transformation projects with their expertise, developing them with you from A to Z.

Our values

Discover our 6 essential values that are part of our DNA.


People are at the heart of our business: our culture is based on respect, collaboration and transparency.

We believe that the Human value goes beyond the purely professional and internal aspects of our business, by committing ourselves to contributing to the well-being of society as a whole.


Inspiration is a powerful driving force at 5th floor: our commitment to excellence and innovation translates into solutions that exceed our customers’ expectations.


Teamwork is a constant at 5th floor: we value cooperation, open communication and a spirit of collaboration among our employees.

Each member of the team plays an essential role in the success of our organisation and we are convinced that our strength lies in our ability to work together.


Adaptation: we firmly believe in the policy of small steps, which means moving forward gradually while remaining open to the necessary changes and adjustments.


Partnership is at the heart of our approach to working with our customers: we pay particular attention to their concerns and challenges, and tailor solutions specifically to meet their needs.


Determination is found everywhere in our organisation and it drives us to never give up: we believe that this quality is a driving force that enables us to overcome obstacles together and promises us the greatest shared successes.

Our teams

5th floor has more than 110 passionate collaborators working to make your project digital.

Our teams have a wide range of expertise (development, product ownership, scrum, UI/UX) and work in an agile way to support you in your digital transformation.

With us, your digital project will be rolled out on a continuous delivery basis, so you won’t have to wait a year before clicking on the first tab of your application. After just a few weeks, you’ll already be able to test the premises and give us your feedback, so we can keep moving forward together!

Our experience in the public sector means that we’re aligned with you: applications and software are developed for your staff and for the public, with the end-user integrated into the process at every stage.

As your partner, we can help you and your IT teams to make your digital transition a success. We support you through the change, while respecting your DNA.