Company lists · Data refreshed November 2026

Top 25 Iso audit firms based in Belgium

RevenueBase identified 75 company matches for iso audit firms associated with Belgium as of November 2026 and tracks 11,182 professional contacts across them, including 2,872 with verified work emails. Brussels is the largest hub.

This list covers company matches for iso audit firms 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
75Companies
11,182Contacts tracked
2,872Verified emails
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The 25 largest iso audit firms based in Belgium

Ranked by team size
Top 25 of 75 company matches for iso audit firms 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 matchVilvoorde, BelgiumHQ recorded Nov 6, 20261,001-5,0001,314 contacts →

Exact match

“Vinçotte (a Kiwa company since May 2022) offers objective and advisory services in inspection, certification, conformity assessment and training.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBrussel, BelgiumHQ recorded Nov 6, 2026n/a209 contacts →

Exact match

“Het IBR steunt de bedrijfsrevisor in het vervullen van zijn cruciale rol in het maatschappelijk en economisch bestel: deze van een financiële expert die door zijn…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchStrombeek-bever, BelgiumHQ recorded Nov 6, 2026201-500190 contacts →

Exact match

“Accredited as an approved inspection body for electricity, gas, elevators, fire detection, energy, asbestos, lifting and hoisting, environment and pressure, water, sewer, etc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMaldegem, BelgiumHQ recorded Nov 6, 2026n/a72 contacts →

Exact match

“QUESS is specialized in auditing, consulting, training and advising regarding to (ISO) managementsystems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGhent, BelgiumHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“FIGURAD is een onafhankelijk geaccrediteerd auditkantoor met meer dan 25 jaar ervaring, is lid van het BKR en ons kantoor mag RJC-audits uitvoeren.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAntwerpen-berchem, BelgiumHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“TÜV NORD INTEGRA is a certification and inspection body which operates in agriculture and horticulture and the food and feed processing industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRumst, BelgiumHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Bij Prevom maken we er steevast onze missie van om dag in dag uit bedrijven en individuen te helpen groeien en het beste uit zichzelf te halen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchErpe-mere, BelgiumHQ recorded Nov 6, 2026n/a38 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
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 matchRoeselare, BelgiumHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“ACA is een nationaal keuringsorganisme dat je met kennis van zaken verder helpt met allerhande keuringen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNiel, BelgiumHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Specialized in auditing, consulting, coaching and implementing privacy / GDPR, Information Security, Business Continuity and Quality management systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“CertUp is the leading Belgian certificator in the area of learning, consulting and intellectual services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGhent, BelgiumHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Systeemcertificatie ISO 9001, ISO 14001, IS0 45001 & ISO Audits subsidiesystemen KMO-Portefeuille (VL) & Chèques-Formation (W) Audits in opdracht van sectororganisaties: C4Q…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSart-bernard, BelgiumHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“La société Cplus sprl est une structure dynamique spécialisée dans le conseil, l’audit et la formation en MANAGEMENT de la Qualité; de la Sécurité Alimentaire humaine et animale…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchKortrijk, BelgiumHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Forma ondersteunt u in het implementeren en onderhouden van uw managementsystemen of andere begeleidings- of opleidingsvragen omtrent kwaliteit, veiligheid, milieu en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRoeselare, BelgiumHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Auditas Bedrijfsrevisoren is een bedrijfsrevisorenkantoor gelegen in de Boomgaardstraat 14, 8800 Roeselare, België.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBerchem, BelgiumHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Kiwa is een onafhankelijke organisatie die hooggekwalificeerde certificering verzorgt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchZellik, BelgiumHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“QUALITY CONTROL bv, abbreviation of the Institute Quality Control is a company with limited liability B-1731 Asse-Zellik Laarbeeklaan 79 b7/11 Mission of Quality Control bv: 1.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFernelmont, BelgiumHQ recorded Nov 6, 20261-108 contacts →

Exact match

“BatiGrade est un bureau d’études spécialisé dans l’ ́́ des bâtiments en, actif tant dans le secteur ́ que et.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAartselaar, BelgiumHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Keuringsbedrijf.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAntwerp, BelgiumHQ recorded Nov 6, 20261-102 contacts →

Exact match

“De hoeveelheid aan energie die nodig is een woning te koelen en te verwarmen, wordt uitgedrukt in de Energie Prestatie Coëfficiënt (EPC-cijfer).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSprimont, BelgiumHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Depuis ANTICIP CONSULT conseille, audite, forme et accompagne les entreprises dans leurs projets d'organisation et de management, principalement dans les domaines de la qualité…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPont-à-celles, BelgiumHQ recorded Nov 6, 20261-102 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 75 iso audit firms based in Belgium

See the full list, filter by size, metro and specialty, and access 2,872 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso audit firms based in Belgium at a glance

As of Nov 6, 2026
25.7%Verified-email coverage
149.1Average contacts per company
1-10Median size (employees)
6.7%Largest-city concentration · Brussels
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
44
11-50
21
51-200
3
201-500
3
1,001-5,000
1
10001+
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 75 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 “iso audit firms” 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 2,872 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 “iso audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso audit firms are there based in Belgium?

RevenueBase identified 75 company matches for iso audit firms 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?

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

Which city has the most iso audit firms?

Brussels leads with 5 company records, followed by Antwerp (3) and Ghent (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 2,872 professional contacts with verified work emails tracked across these 75 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.