Company lists · Data refreshed November 2026

Top 25 Professional services networks based in Belgium

RevenueBase identified 109 company matches for professional services networks associated with Belgium as of November 2026 and tracks 18,380 professional contacts across them, including 1,900 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 November 5, 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 Nov 5, 2026 How this list was built
109Companies
18,380Contacts tracked
1,900Verified emails
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The 25 largest professional services networks based in Belgium

Ranked by team size
Top 25 of 109 company matches for professional services networks based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 Nov 5, 202610001+14,501 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchZaventem, BelgiumHQ recorded Nov 5, 20261,001-5,000983 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchWemmel, BelgiumHQ recorded Nov 5, 2026201-500579 contacts →

Exact match

“Samen ondernemen, met kennis en visie.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchBrussels, BelgiumHQ recorded Nov 5, 202610001+430 contacts →

Exact match

“Smart enables business professionals from a range of fields and backgrounds to pursue their work by providing them with a set of shared tools: from legal, financial and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchHasselt, BelgiumHQ recorded Nov 5, 2026201-500275 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBrussel, BelgiumHQ recorded Nov 5, 2026201-500229 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 5, 202651-20070 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBruges And Brussels, BelgiumHQ recorded Nov 5, 202611-5046 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 · Nov 5, 2026 · View company records in RevenueBase
9Exact matchAns, BelgiumHQ recorded Nov 5, 202651-20045 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 · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5035 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchNamur, BelgiumHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“Sogenam, bien plus qu’une fiduciaire.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“À propos de CDP Partners Depuis 2008, CDP Partners, fondé par des Réviseurs d'entreprises et Experts-Comptables indépendants, se démarque dans le secteur de l'audit et de la…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchNivelles, BelgiumHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Vous avez l’entrepreneuriat dans le sang?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchKortrijk, BelgiumHQ recorded Nov 5, 202611-5022 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchBrussels, BelgiumHQ recorded Nov 5, 2026501-1,00020 contacts →

Exact match

“Most companies appreciate working with SMES for their commitment and flexibility.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchMalmedy, BelgiumHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“2024: Pour ses 60 ans, la société Dandrifosse – Detrembleur & Partners opère un tournant important de son histoire en fusionnant ses activités avec la S.A.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBeaufays, BelgiumHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“Les tâches comptables et administratives liées à la gestion d’une profession libérale, d’une activité d’indépendant ou d’une société sont souvent complexes et chronophages.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMechelen, BelgiumHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“accratio is gespecialiseerd in drie verschillende domeinen binnen de vennootschapsrechtelijke sfeer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“ECOVIS ACTA Consult is a professional services provider primarily active in accounting, tax law and corporate law.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchChimay, BelgiumHQ recorded Nov 5, 20261-109 contacts →

Exact match

“Comptabilité - Fiscalité - Booster - Coach - Facilitateur d'entreprise Hop Business est avant tout un label garantissant aux entreprises et aux porteurs de projets de trouver, au…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSint-job-in-'t-goor, BelgiumHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Wenst u een compleet zakelijk dienstenpakket, gericht op uw business?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchWalcourt, BelgiumHQ recorded Nov 5, 202611-506 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchHerstal, BelgiumHQ recorded Nov 5, 20261-106 contacts →

Exact match

“SymbiOZ a pour objectif de fédérer ses membres au sein d’un réseau convivial visant à faciliter le développement de leurs entreprises et de leurs équipes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchBrussels, BelgiumHQ recorded Nov 5, 20261-106 contacts →

Exact match

“Pragma International is a global network of independent law and consulting firms, united by a shared vision: fostering collaboration, trust, and professional growth across borders.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchBelgiumHQ recorded Nov 5, 202651-2005 contacts →

Exact match

“Nous vivons dans un monde en pleine évolution.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 109 professional services networks based in Belgium

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Professional services networks based in Belgium at a glance

As of Nov 5, 2026
10.3%Verified-email coverage
168.6Average contacts per company
11-50Median size (employees)
10.1%Largest-city concentration · Brussels
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
46
51-200
11
201-500
7
501-1,000
3
1,001-5,000
3
5,001-10,000
1
10001+
4

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 109 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 1,900 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 November 5, 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 109 company matches for professional services networks associated with Belgium as of November 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 11 company records, followed by Antwerp (7) and Aalst (3).

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 1,900 professional contacts with verified work emails tracked across these 109 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 November 5, 2026.

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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.