Company lists · Data refreshed September 2026

Top 25 Iso audit consulting firms based in Belgium

RevenueBase identified 174 company matches for iso audit consulting firms associated with Belgium as of September 2026 and tracks 3,037 professional contacts across them, including 1,257 with verified work emails. Brussels is the largest hub.

This list covers company matches for iso audit consulting 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 September 28, 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 28, 2026 How this list was built
174Companies
3,037Contacts tracked
1,257Verified emails
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The 25 largest iso audit consulting firms based in Belgium

Ranked by team size
Top 25 of 174 company matches for iso audit consulting firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 Sep 28, 20261,001-5,0001,246 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 · Sep 28, 2026 · View company records in RevenueBase
2Exact matchBrussels, BelgiumHQ recorded Sep 28, 2026201-500267 contacts →

Exact match

“The Eurofins Consumer Products Assurance (CPA) network of companies offers comprehensive supply chain assurance to various industries on their quests towards compliance and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchStrombeek-bever, BelgiumHQ recorded Sep 28, 2026201-500178 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 · Sep 28, 2026 · View company records in RevenueBase
4Exact matchBenelux, BelgiumHQ recorded Sep 28, 202651-200160 contacts →

Exact match

“At Normec Advipro, we ensure that your organisation in life science operations meets regulatory requirements and remains sustainably compliant.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchMaldegem, BelgiumHQ recorded Sep 28, 2026n/a70 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchGhent, BelgiumHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
7Exact matchAartselaar, BelgiumHQ recorded Sep 28, 202611-5039 contacts →

Exact match

“Trevalco offers services to the Life Sciences and other industries, we focus our activities in the following domains- Quality Assurance and Validation - Cleanroom, HVAC testing…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchRumst, BelgiumHQ recorded Sep 28, 202611-5038 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 · Sep 28, 2026 · View company records in RevenueBase
9Exact matchBlegny, BelgiumHQ recorded Sep 28, 202611-5036 contacts →

Exact match

“Grâce à nos consultants et à notre large réseau de spécialistes, nous avons développé une expertise de pointe dans une large gamme de services incluant des conseils en stratégie…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchBrussels, BelgiumHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
11Exact matchErpe-mere, BelgiumHQ recorded Sep 28, 20261-1029 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 28, 2026 · View company records in RevenueBase
12Exact matchKontich, BelgiumHQ recorded Sep 28, 202611-5027 contacts →

Exact match

“At M2Q, we strongly believe that software quality is important for app success, every day our consultants contribute to this ideal, quality is our priority.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchWevelgem, BelgiumHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“Waarom kiezen voor de ORA Group?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchDiest, BelgiumHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“We are a consultancy company focussed on delivering QP and QA services to our customers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchBrussels, BelgiumHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“Our goal?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchGhent, BelgiumHQ recorded Sep 28, 20261-1021 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 · Sep 28, 2026 · View company records in RevenueBase
17Exact matchStrombeek-bever, BelgiumHQ recorded Sep 28, 202611-5021 contacts →

Exact match

“Research & Solutions BVBA, kortweg RESOL, is een professioneel en onafhankelijk adviesbureau inzake Veiligheid, Milieu, Energie en Kwaliteit.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchGrez-doiceau, BelgiumHQ recorded Sep 28, 20261-1020 contacts →

Exact match

“Ecobel est une équipe de consultants spécialisés en environnement et en sécurité, et qui accompagnent clients et partenaires dans leur mise en conformité légale et dans la…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchBrussel, BelgiumHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
20Exact matchNiel, BelgiumHQ recorded Sep 28, 202611-5018 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 · Sep 28, 2026 · View company records in RevenueBase
21Exact matchHasselt, BelgiumHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Our mission is to help companies and organisations develop, implement and improve their management systems, by providing assistance, consulting and training.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchHasselt, BelgiumHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“At Privatum, we understand that information forms the foundation of the modern business world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSart-bernard, BelgiumHQ recorded Sep 28, 202611-5013 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 · Sep 28, 2026 · View company records in RevenueBase
24Exact matchWaterloo, BelgiumHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“Founded by engineers Gilles Bérard and Christophe Roussieau, BuildTIS is a high-skilled inspection body acting as independant third party, both in Construction Industry and in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBerchem, BelgiumHQ recorded Sep 28, 202611-5011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 174 iso audit consulting firms based in Belgium

See the full list, filter by size, metro and specialty, and access 1,257 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso audit consulting firms based in Belgium at a glance

As of Sep 28, 2026
41.4%Verified-email coverage
17.5Average contacts per company
1-10Median size (employees)
6.3%Largest-city concentration · Brussels
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
127
11-50
36
51-200
4
201-500
3
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 174 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 consulting 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 1,257 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 28, 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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso audit consulting firms are there based in Belgium?

RevenueBase identified 174 company matches for iso audit consulting firms 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?

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 consulting firms?

Brussels leads with 11 company records, followed by Ghent (7) and Antwerp (5).

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 1,257 professional contacts with verified work emails tracked across these 174 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 28, 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.