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Company profile5thfloor.be ↗

5th Floor

5th Floor is a Belgian company specializing in software development and IT modernization for the public sector.

IT System Custom Software Development
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Headquarters
Watermael-boitsfort, BelgiumSource: RevenueBaseRetrieved October 13, 2026
Employee range
51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded
2017Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
31 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does 5th Floor do?

The company works through co-creation with client teams and users. Its services are organized around application portfolio work, IT projects and organizational transition.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

5th Floor supports major Belgian public institutions, including ONE, SPW and ONEM.

What the business offers

Services & capabilities.

Application portfolio services

L4F identifies technical debt and risks and makes investment decisions transparent to senior management.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEW5th Floor listed #2 on Agile software development companies, September 30, 2026Open the published source list.
5th Floor

#2 Agile software development companies

Snapshot: September 30, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 1, 2026, September 5, 2026, September 15, 2026, September 20, 2026, September 22, 2026, September 23, 2026, September 26, 2026, September 27, 2026, September 28, 2026, September 29, 2026 and September 30, 2026. How the company lists are built.

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