Company lists · Data refreshed September 2026

Top 19 Internal audit consulting companies based in Belgium

RevenueBase identified 55 company matches for internal audit consulting companies associated with Belgium as of September 2026 and tracks 255 professional contacts across them, including 74 with verified work emails and 11 with mobile numbers. Brussels is the largest hub.

This list covers company matches for internal audit consulting 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 September 4, 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 4, 2026 How this list was built
55Companies
255Contacts tracked
74Verified emails
11Mobile numbers
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The 19 largest internal audit consulting companies based in Belgium

Ranked by team size
Top 19 of 55 company matches for internal audit consulting companies based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 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 4, 202611-5036 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
2Exact matchErpe-Mere, BelgiumHQ recorded Sep 4, 20261-1030 contacts →

Exact match

“i-Force is an idenpendent forensic audit firm offering the following services : investigation, advice, interim and training in relation to tfe following topics : fraud, IT-risk…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
3Exact matchTournai, BelgiumHQ recorded Sep 4, 20261-1020 contacts →

Exact match

“Audit, réviseur d’entreprises.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4Exact matchBrussel, BelgiumHQ recorded Sep 4, 202611-5019 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 · Sep 4, 2026 · View company records in RevenueBase
5Exact matchBelgiumHQ recorded Sep 4, 2026201-50011 contacts →

Exact match

“Mazars, a different player in audit, accounting, tax and advisory services.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
6Exact matchLiege, BelgiumHQ recorded Sep 4, 20261-1010 contacts →

Exact match

“La SRL 3R, LEBOUTTE & C° est une société de révision établie à Liège.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
7Exact matchLonderzeel, BelgiumHQ recorded Sep 4, 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 · Sep 4, 2026 · View company records in RevenueBase
8Exact matchSint-Pauwels, BelgiumHQ recorded Sep 4, 20261-105 contacts →

Exact match

“Wij voorzien audits, consultancy, support en opleidingen op maat van jouw behoeften.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
9Exact matchBelgiumHQ recorded Sep 4, 20261-104 contacts →

Exact match

“Auditing, Consulting, Support and Web design tailored to your needs”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
10Exact matchAntwerp, BelgiumHQ recorded Sep 4, 20261-103 contacts →

Exact match

“Internal audit Risk Compliance Internal control”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11Exact matchGozée, BelgiumHQ recorded Sep 4, 20261-103 contacts →

Exact match

“Based in Charleroi and Genappe, AUDICIA is an independent firm of Certified Public Accountants.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12Exact matchBelgiumHQ recorded Sep 4, 2026201-5001 contacts →

Exact match

“Whether complying with regulatory requirements, addressing a single key risk, or working toward a holistic risk management strategy, more than customers worldwide count on Wolters…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13Exact matchLouvain-La-Neuve, BelgiumHQ recorded Sep 4, 20261-101 contacts →

Exact match

“Created in 2011 by Christophe Quiévreux, a former Deloitte partner with more than 20 years of experience, «Quiévreux Audit Services » is the "premier" professional service firm…”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14Exact matchHoudeng-Aimeries, BelgiumHQ recorded Sep 4, 20261-101 contacts →

Exact match

“Après plus de vingt ans au service d'autres cabinets d'audit, j'ai pris la décision de me lancer dans une nouvelle aventure et de définir moi-même ma relation clientèle.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15Exact matchBelgiumHQ recorded Sep 4, 20261-101 contacts →

Exact match

“We are a certified audit firm that is exclusively dedicated to audits of EU grants.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
16Exact matchKoksijde, BelgiumHQ recorded Sep 4, 20261-101 contacts →

Exact match

“Lien heeft ervaring opgebouwd in interne controle, risicobeheer, compliance, governance en uiteenlopende bedrijfsoptimalisaties.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
17Exact matchOvermere, BelgiumHQ recorded Sep 4, 20261-101 contacts →

Exact match

“Ingenio-GRC verleent audit- en adviesdiensten.”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
18Exact matchMont-Sur-Marchienne, BelgiumHQ recorded Sep 4, 20261-101 contacts →

Exact match

“Expertise comptable et consultance”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
19Exact matchZonhoven, BelgiumHQ recorded Sep 4, 20261-101 contacts →

Exact match

“Consultant”

Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase

Showing 19 of 55 internal audit consulting companies based in Belgium

See the full list, filter by size, metro and specialty, and access 74 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal audit consulting companies based in Belgium at a glance

As of Sep 4, 2026
29.0%Verified-email coverage
4.3%Mobile-number coverage
4.6Average contacts per company
1-10Median size (employees)
7.3%Largest-city concentration · Brussels
Sep 4, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
6
201-500
2
1,001-5,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “internal audit consulting 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 74 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 4, 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 “internal audit consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal audit consulting companies are there based in Belgium?

RevenueBase identified 55 company matches for internal audit consulting companies 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?

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

Which city has the most internal audit consulting companies?

Brussels leads with 4 company records, followed by Tournai (3) and Antwerp (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 74 professional contacts with verified work emails tracked across these 55 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 4, 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.