Company lists · Data refreshed November 2026

Top 25 Audit support companies based in Belgium

RevenueBase identified 117 company matches for audit support companies associated with Belgium as of November 2026 and tracks 2,882 professional contacts across them, including 1,474 with verified work emails. Brussels is the largest hub.

This list covers company matches for audit support companies 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 6, 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 6, 2026 How this list was built
117Companies
2,882Contacts tracked
1,474Verified emails
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The 25 largest audit support companies based in Belgium

Ranked by team size
Top 25 of 117 company matches for audit support companies based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchZaventem, BelgiumHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
2Exact matchKortrijk, BelgiumHQ recorded Nov 6, 202651-200301 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrussels, BelgiumHQ recorded Nov 6, 2026201-500244 contacts →

Exact match

“Forvis Mazars provides audit, assurance, tax, advisory, and consulting services globally with a dedication to delivering an unmatched client experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWaregem, BelgiumHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“Our Talent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 6, 202651-20070 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBruges And Brussels, BelgiumHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchBrussels, BelgiumHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
8Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
9Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“La FIDUCIAIRE MONTGOMERY est votre partenaire pour les différents domaines liés aux aspects comptables, fiscaux, financiers et juridiques de votre entreprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTournai, BelgiumHQ recorded Nov 6, 20261-1028 contacts →

Exact match

“Audit, réviseur d’entreprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Chez Pyxis & Co, nous croyons que le rôle du comptable va bien au-delà des chiffres.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBrussel, BelgiumHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“For more than 50 years, Groupe Audit has stood for quality, precision and integrity in audit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchZonhoven, BelgiumHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Groeien moet, luidt het adagio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLeupegem, BelgiumHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“Welkom bij Bekaert-Callebaut Accountancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWavre, BelgiumHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“Un cabinet où le conseil est mis au centre de la relation avec les clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLiège, BelgiumHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“ISIRO Fiduciaire + conseil Cabinet comptable et bureau de conseil pour les indépendants, PME et pour le secteur public.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLochristi (beervelde), BelgiumHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“D&V Bedrijfsadviseurs (voluit : De Pauw & Van Rysseghem Bedrijfsadviseurs, Accountants & Belastingconsulenten) is een kantoor van accountants en belastingadviseurs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKeerbergen, BelgiumHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Als ondernemer wilt u een accountant die meer doet dan alleen financiële gegevens administratief verwerken.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSint-michiels (brugge), BelgiumHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Stuyts Accounting & Tax levert sinds 1984 gewaardeerd totaaladvies aan het bedrijfsleven.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHasselt, BelgiumHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“ACCOUNTANTSKANTOOR JORDENS is an accounting company based out of 13 Kramerslaan, Hasselt, Belgium.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBorsbeek, BelgiumHQ recorded Nov 6, 202611-509 contacts →

Exact match

“TheOffice was founded in 2005 by Gaby Van Loock and Lode Ilsen as a merger of 3 business- and accounting services each having more than 20 years experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLonderzeel, BelgiumHQ recorded Nov 6, 202611-509 contacts →

Exact match

“ACCAL is providing Audit, Accounting and Tax Services to all types of companies: small SME, Large Multinationals and government agencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchZutendaal, BelgiumHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Wij zijn een snelgroeiend boekhoud- en consultantkantoor te Zutendaal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSint-niklaas, BelgiumHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Alsof het kluwen aan boekhoudkundige en fiscale voorschriften niet verwarrend genoeg is, dient men nog eens rekening te houden met een resem sectorspecifieke aspecten ook.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDenderhoutem, BelgiumHQ recorded Nov 6, 20261-107 contacts →

Exact match

“ATC & Partners is uw ideale partner voor de begeleiding van de administratie van uw onderneming.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 117 audit support companies based in Belgium

See the full list, filter by size, metro and specialty, and access 1,474 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Audit support companies based in Belgium at a glance

As of Nov 6, 2026
51.1%Verified-email coverage
24.6Average contacts per company
1-10Median size (employees)
6.8%Largest-city concentration · Brussels
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
75
11-50
32
51-200
4
201-500
4
1,001-5,000
1

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 117 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 “audit support companies” 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 1,474 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 6, 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 “audit support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many audit support companies are there based in Belgium?

RevenueBase identified 117 company matches for audit support companies 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 Belgium tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most audit support companies?

Brussels leads with 8 company records, followed by Antwerp (3) and Roeselare (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 1,474 professional contacts with verified work emails tracked across these 117 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 6, 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.