Company lists · Data refreshed September 2026

Top 25 Professional services networks based in Belgium

RevenueBase identified 280 company matches for professional services networks associated with Belgium as of September 2026 and tracks 21,980 professional contacts across them, including 3,144 with verified work emails. Brussels is the largest hub.

This list covers company matches for professional services networks associated with Belgium, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
280Companies
21,980Contacts tracked
3,144Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest professional services networks based in Belgium

Ranked by team size
Top 25 of 280 company matches for professional services networks based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBrussels, BelgiumHQ recorded Sep 29, 202610001+14,003 contacts →

Exact match

“BDO is the leading provider of professional services within the mid-tier of our profession.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchDiegem, BelgiumHQ recorded Sep 29, 20261,001-5,0001,645 contacts →

Exact match

“At PwC, our purpose is to build trust in society and solve important problems.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchZaventem, BelgiumHQ recorded Sep 29, 20261,001-5,000936 contacts →

Exact match

“At BDO, we believe in empowering organisations and people to achieve sustainable growth and realise their full potential.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchKortrijk, BelgiumHQ recorded Sep 29, 2026501-1,000564 contacts →

Exact match

“Vandelanotte, opgericht in 1948 door Roger Vandelanotte, is uitgegroeid tot het grootste onafhankelijke kantoor in België, met ook een vestiging in Rijsel (Frankrijk).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchWemmel, BelgiumHQ recorded Sep 29, 2026201-500559 contacts →

Exact match

“Samen ondernemen, met kennis en visie.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchRoeselare, BelgiumHQ recorded Sep 29, 2026201-500384 contacts →

Exact match

“Titeca is not a traditional accounting firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchKortrijk, BelgiumHQ recorded Sep 29, 202651-200290 contacts →

Exact match

“We are your guide on the adventure of entrepreneurship!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchHasselt, BelgiumHQ recorded Sep 29, 2026201-500272 contacts →

Exact match

“UW RECHTERHAND Als ondernemer bent u maar zo sterk als de mensen die u omringen.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchBrussel, BelgiumHQ recorded Sep 29, 2026201-500220 contacts →

Exact match

“Bij Baker Tilly bouwen we mee aan het groeiverhaal van ondernemers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchWaregem, BelgiumHQ recorded Sep 29, 2026201-500210 contacts →

Exact match

“Our Talent.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBeaufays, BelgiumHQ recorded Sep 29, 2026n/a198 contacts →

Exact match

“Bonjour et bienvenue sur la page entreprise de la Fiduciaire au Carré - Une équipe dynamique à votre service- Assistance efficace et conseils individualisés tant aux personnes…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchWilrijk (antwerpen), BelgiumHQ recorded Sep 29, 202611-5077 contacts →

Exact match

“Acco Accountants is een vooruitstrevend, innovatief kantoor met vestigingen in Antwerpen, Mechelen en Herentals.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchWatermael-boitsfort, BelgiumHQ recorded Sep 29, 202651-20063 contacts →

Exact match

“HLB is gespecialiseerd in accountancy, audit, juridisch en fiscaal advies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchRégion Wallonne, BelgiumHQ recorded Sep 29, 202651-20048 contacts →

Exact match

“Choisir thg comme cabinet de conseil en fiscalité et en droit des affaires, c’est opter pour la qualité et la sécurité.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchBruges And Brussels, BelgiumHQ recorded Sep 29, 202611-5044 contacts →

Exact match

“Trusted advisors in accountancy | tax | legal | corporate finance | estate planning Van Reybrouck is an independent consulting firm with offices in Bruges and Brussels.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchAns, BelgiumHQ recorded Sep 29, 202611-5042 contacts →

Exact match

“Le groupe LIBRA a pour objectif de fournir un large panel de services juridico-financiers transversaux à l’attention des entreprises dans des matières, telles que…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchGent (drongen), BelgiumHQ recorded Sep 29, 202611-5039 contacts →

Exact match

“Accountantskantoor Van Coile & Partners CV is gespecialiseerd in adviesverlening aan KMO-bedrijven en grote ondernemingen.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchKortrijk, BelgiumHQ recorded Sep 29, 202611-5038 contacts →

Exact match

“DKF Fiduciaire is opgericht in 1951 en blijft groeien.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact match2018 Antwerpen, BelgiumHQ recorded Sep 29, 202651-20036 contacts →

Exact match

“Since 1936 Callens, Pirenne, Theunissen & C° has been a major player in Belgium’s top 10 audit and accountancy firms with a strong sector-oriented approach.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchRonse, BelgiumHQ recorded Sep 29, 202611-5034 contacts →

Exact match

“Accountants Lauwers heeft vestigingen in Ronse, Frasnes, Gent en Kortrijk en stelt naast 6 vennoten, 40 medewerkers tewerk.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchBrussels, BelgiumHQ recorded Sep 29, 202611-5034 contacts →

Exact match

“Fondé en 2012, le cabinet d'avocats Tetra Law a connu un développement rapide et important basé sur les fondamentaux suivants : 1.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchBrussels, BelgiumHQ recorded Sep 29, 202651-20034 contacts →

Exact match

“INAA is a global community of independent accounting, audit, tax, and advisory firms Clients cross borders, time zones, and regulations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchBrussels, BelgiumHQ recorded Sep 29, 202611-5032 contacts →

Exact match

“DGST compte dix-sept Réviseurs d’entreprises et plus de vingt collaborateurs expérimentés.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchVerviers, BelgiumHQ recorded Sep 29, 202611-5030 contacts →

Exact match

“Axylium - Certified Accountants and Company Auditors near me Our services:* Audit * Tax * Accounting * Consulting Belgium and Luxembourg”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNamur, BelgiumHQ recorded Sep 29, 202611-5030 contacts →

Exact match

“Sogenam, bien plus qu’une fiduciaire.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 280 professional services networks based in Belgium

See the full list, filter by size, metro and specialty, and access 3,144 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Professional services networks based in Belgium at a glance

As of Sep 29, 2026
14.3%Verified-email coverage
78.5Average contacts per company
1-10Median size (employees)
10.0%Largest-city concentration · Brussels
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
139
11-50
96
51-200
20
201-500
10
501-1,000
4
1,001-5,000
6
5,001-10,000
1
10001+
2

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 280 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Belgium whose business descriptions match “professional services networks” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 3,144 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “professional services networks”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional services networks are there based in Belgium?

RevenueBase identified 280 company matches for professional services networks associated with Belgium as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

BDO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most professional services networks?

Brussels leads with 28 company records, followed by Antwerp (11) and Ghent (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,144 professional contacts with verified work emails tracked across these 280 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 280 professional services networks based in Belgium. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.