Willebroekkaai 37

1000 Brussels • 43 registered nowBuilding with many business tenants

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exact location from the address register On OpenStreetMap

43 registered now

1 new in 12 months

Activity behind the registrations

24 of the 43 active companies here show no staff, no fixed assets and no other address.

18 with accounts for 2024 or later

10 with staff, 1,762 FTE together

17 with fixed assets

11 at another address too

1 with negative equity

1 with overdue accounts

Main activities

20 different activities across 35 of the 43 companies registered now.

Show all 20 activities

Companies at this address

43 in total

Company	At this address	Outcome
A en B PARTNERS BE 0466.425.389 Founded in 1999 · total assets €357,920 (2025)	Registered office since 01-2013	Active here
AQUA BELGICA BE 0444.882.283 Founded in 1991	Registered office since 06-1991	Active here
Associatie van Interieurarchitecten van België - Association des Architectes d'Intérieur de Belgique BE 0443.257.930 Founded in 1990 · total assets €225,039 (2022) · accounts filed late	Registered office since 01-2007 unit elsewhere	Active here
AUXILIO BE 0880.380.908 Founded in 2006 · turnover €1.1m (2025)	Registered office since 03-2006 shared director	Active here
Belgisch Nationaal Comité van de K.M.O. (B.N.C.) - Comité national belge des P.M.E. (C.N.B) BE 0439.083.762 Founded in 1988	Registered office since 12-1988	Active here
BELGISCHE BONTFEDERATIE - FEDERATION BELGE DE LA FOURRURE BE 0406.466.523 Founded in 1941	Registered office since 03-1941	Active here
Belux Tuinretail Vereniging BE 0468.756.260 Founded in 1999	Registered office since 02-1999	Active here
Beroepsfotografen.be BE 0408.556.773 Founded in 1951	Registered office since 04-2026	Active here
Buurtsuper.be BE 0410.339.296 Founded in 1951	Registered office since 01-1951 shared director	Active here
conseil européen des architectes d interieur BE 0865.450.826 Founded in 2004 · total assets €170,830 (2025)	Registered office since 05-2004	Active here
Dyzo BE 0554.898.792 Founded in 2014 · 9.1 FTE (2025)	Registered office since 07-2014 shared director	Active here
FEDELIN BE 0508.437.871 Founded in 2012	Registered office since 12-2012	Active here
FEDERATIE VAN VISHANDELAARS BE 0426.227.797 Founded in 1970	Registered office since 10-1970	Active here
Federatie Vrije Beroepen BE 0412.875.649 Founded in 1972	Registered office since 01-2023	Active here
Federation of European Professional Photographers BE 0697.726.641 Founded in 2018	Registered office since 07-2017	Active here
fedpack BE 0889.586.109 Founded in 2007	Registered office since 05-2007	Active here
Fonds voor de vorming van de werknemers die tot de bevoegdheid van het paritair comité voor de vrije beroepen behoren BE 0668.469.362 Founded in 2011	Registered office since 07-2017	Active here
KMONET BE 0432.182.015 Founded in 1987 · total assets €1.0m (2025) · negative equity	Registered office since 10-1987	Active here
Liantis corporate BE 0436.534.147 Founded in 1989 · 411 FTE (2025)	Establishment since 01-2017 shared director	Active here
Liantis afwezigheidscontrole BE 0457.816.145 Founded in 1996 · 1.8 FTE (2025)	Registered office since 01-2009 shared directorunit elsewhere	Active here
Liantis assurance BE 1024.106.105 Founded in 2025	Establishment since 06-2025	Active here
Liantis consult BE 0475.397.889 Founded in 2001 · 29 FTE (2025)	Establishment since 11-2022 shared director	Active here
LIANTIS EXTERNE DIENST VOOR PREVENTIE EN BESCHERMING BE 0409.862.018 Founded in 1966 · 420 FTE (2025)	Registered office since 01-2003 shared directorunit elsewhere	Active here
Liantis ondernemingsloket BE 0480.204.636 Founded in 2003 · 78 FTE (2025)	Registered office since 02-2007 shared directorunit elsewhere	Active here
Liantis sociaal secretariaat BE 0406.558.771 Founded in 1969 · 561 FTE (2025)	Establishment since 05-1969 shared director	Active here
Liantis sociaal verzekeringsfonds BE 0409.088.689 Founded in 1967 · 168 FTE (2025)	Registered office since 05-2006 shared directorunit elsewhere	Active here
LIANTIS SOLIDARITEITSFONDS BE 0882.072.963 Founded in 2006 · total assets €45.6m (2025)	Registered office since 07-2006 shared director	Active here
Medianetwerk Plus BE 0408.874.893 Founded in 1954	Registered office since 01-1954	Active here
Nationaal Instituut voor Handel en Ambacht BE 0410.337.813 Founded in 1953	Registered office since 01-1953 shared director	Active here
Nationaal Verbond van Onafhankelijke Handelaars BE 0412.761.922 Founded in 1972	Registered office since 10-1972 shared director	Active here
Nationale Centrale voor de Kleine en Middelgrote Levensmiddelenbedrijven BE 0410.344.345 Founded in 1967	Registered office since 09-1967	Active here
ORGANISATIE VOOR DE ZELFSTANDIGE MODEDETAILHANDEL - L'ORGANISATION DES DETAILLANTS INDEPENDANTS DE LA MODE BE 0407.835.708 Founded in 1949	Registered office since 09-1949	Active here
Personeels - en Management Opleidingen voor Kleine en Middelgrote Ondernemingen BE 0457.760.222 Founded in 1995	Registered office since 01-2007	Active here
PMO BE 0599.913.227 Founded in 2015 · total assets €1.1m (2025)	Registered office since 03-2015	Active here
RECREAD, federatie van recreatieondernemers BE 0410.344.246 Founded in 1964 · total assets €350,103 (2025)	Registered office since 01-2007	Active here
Register, de Organisatie voor de Zelfstandige Kleermakers en Ontwerpers BE 0410.342.761 Founded in 1950	Registered office since 01-1950	Active here
Sociaal Fonds nr. 201 - Le Fonds social no 201 BE 0447.360.634 Founded in 1991	Registered office since 10-2021	Active here
Sociaal Fonds voor de kleinhandel in algemene voedingswaren - Fonds Social du commerce de détail en Denrées alimentaires générales BE 0454.121.138 Founded in 1995	Registered office since 01-1995	Active here
THESEUM BE 0834.490.307 Founded in 2011 · total assets €13.1m (2025)	Registered office since 03-2011 unit elsewhere	Active here
Unie van Zelfstandige Ondernemers BE 0410.337.219 Founded in 1948 · 82 FTE (2025)	Registered office since 07-2011 shared director	Active here
Unie van Zelfstandige Ondernemers, Vlaams-Brabant & Brussel BE 0461.815.713 Founded in 1997 · total assets €2.3m (2025)	Establishment since 01-2013	Active here
UNIZO WINKELRAAD BE 0479.027.570 Founded in 2002	Registered office since 12-2002	Active here
VZW ACADEMIE VOOR DE KMO, ,ZELFSTANDIGEN EN VRIJE BEROEPEN BE 0865.735.292 Founded in 2004	Registered office since 06-2004	Active here

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The building

cadastre and 3D survey

Footprint: 6,386 m²; measured, the ground under the 2 buildings
Floor area (estimate): ~87,700 m²; 9 storeys, estimated from the building volume

Per current company: ~2,039 m²
Height: 142.2 metres
Volume: 262,981 m³
Plot: 1.2 ha

The buildings come from the cadastre and the 3D survey (LiDAR), the box numbers from the BEST address register and the heritage from the regional registers. A registration says who is based here, not who owns it.

Registrations and outcomes per year

2012

2014

2016

2018

2020

2022

2024

2026

still here moved bankrupt reorganisation dissolved or inactive

Insights on this address

Building with many business tenants

43 companies are registered here now. They are based on a plot with 2 buildings of about 87,700 m² of floor space in all. That is about 2,039 m² per company, room enough for an office each. Most are not tied to one another and rent independently in the same building. They are tied as follows: 9 named Liantis and 14 with a shared director.

This address has more companies than 99.9% of Belgian addresses, which have at most 35.
38 have their registered office here, 5 only an establishment or branch.
14 of the 43 companies share a current director with another company here. The largest group has 10.
Half of the current companies have been registered here for less than 20 years.
This address had 1 new registration in the last twelve months (2 in three years).

Recommendations

Open the dossier of the company you are interested in. The list shows whether it has its registered office here or only an establishment.

Method and limits of this check

A shared address is not suspicious in itself. Office buildings, accountants and business centres host many companies. The verdict is about the kind of address, not about any individual company.

The comparison rests on all 1,408,687 active Belgian addresses. Half of them have one company, 95% at most five, 99% at most ten and 99.9% at most 35.

The list of an address holds the companies in the KBO register and those that left it since April 2026. A company that stopped before then is not in it. So the bankruptcies at this address are shown as counts. The comparison with Belgium runs over the postcode, for the same founding years and after the same number of years. It comes from the survival tables, which start from the founding deeds in the Belgian Official Gazette and count the companies that stopped too.

A shared director holds a current board mandate at two companies at this address. Statutory auditors and liquidators do not count.

Floor area and storeys are not measured anywhere. So the building shows them as estimates, next to the measured footprint. No register of building use (office, housing) is available.

Sources: KBO (companies, addresses, activities and legal situation), Belgian Official Gazette (judgments), BOSA BEST (addresses and box numbers), cadastre and 3D survey (parcels and buildings).

Source: KBO (Kruispuntbank van Ondernemingen) · Belgian Official Gazette · BOSA BEST · Cadastre/LiDAR. Last updated: 13-11-2026.