Company lists · Data refreshed September 2026

Top 25 Iso certification consulting firms based in Belgium

RevenueBase identified 217 iso certification consulting firms headquartered in Belgium as of September 2026 and tracks 3,413 professional contacts across them, including 1,396 with verified work emails. Brussels is the largest hub.

This list covers iso certification consulting firms headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
217Companies
3,413Contacts tracked
1,396Verified emails
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The 25 largest iso certification consulting firms based in Belgium

Ranked by team size
Top 25 of 217 iso certification consulting firms based in Belgium, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iso certification consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceVilvoorde, BelgiumHQ checked Sep 28, 20261,001-5,0001,246 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceStrombeek-bever, BelgiumHQ checked Sep 28, 2026201-500178 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceBenelux, BelgiumHQ checked Sep 28, 202651-200160 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceZellik, BelgiumHQ checked Sep 28, 202611-5071 contacts →

Indirect evidence

“COPRO is your quality partner in the road and infrastructure sector.”

Source: RevenueBase Database · checked Sep 28, 2026
5Strong evidenceMaldegem, BelgiumHQ checked Sep 28, 2026n/a70 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceAntwerpen-berchem, BelgiumHQ checked Sep 28, 202651-20046 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceBrussels, BelgiumHQ checked Sep 28, 202611-5045 contacts →

Indirect evidence

“Born from the merger of former global TIC industry organizations IFIA and CEOC, the TIC Council brings together over 100 member companies and organizations active in more than 160…”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceBruxelles, BelgiumHQ checked Sep 28, 202651-20041 contacts →

Partial evidence

“CERTISYS®, your reference for organic and sustainable certification Who are we?”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceGlabbeek, BelgiumHQ checked Sep 28, 202611-5039 contacts →

Indirect evidence

“Bij ABESCO nemen we geen genoegen met theorie.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceAartselaar, BelgiumHQ checked Sep 28, 202611-5039 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceRumst, BelgiumHQ checked Sep 28, 202611-5038 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceBlegny, BelgiumHQ checked Sep 28, 202611-5036 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceZwevegem, BelgiumHQ checked Sep 28, 202611-5034 contacts →

Indirect evidence

“Consultes is een allround partner voor bedrijven op vlak van milieu, preventie, energie en duurzaamheid.”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceDiegem, BelgiumHQ checked Sep 28, 202651-20031 contacts →

Partial evidence

“BCCA is Belgium’s largest certification body in the field of construction and offers well appreciated services for certification of construction products & systems, persons…”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceIsnes, BelgiumHQ checked Sep 28, 202611-5030 contacts →

Indirect evidence

“Hourez Consult accompagne les acteurs de l’industrie et de la construction dans leurs enjeux HSE, qualité, coordination sécurité & santé et gestion de projets.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceWevelgem, BelgiumHQ checked Sep 28, 202611-5026 contacts →

Indirect evidence

“Waarom kiezen voor de ORA Group?”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceEvere, BelgiumHQ checked Sep 28, 202611-5026 contacts →

Indirect evidence

“PROCERTUS est un acteur de référence indépendant pour l'assurance qualité dans l'industrie belge du béton et de l'acier de construction.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceRoeselare, BelgiumHQ checked Sep 28, 202651-20025 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceGent, BelgiumHQ checked Sep 28, 20261-1021 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceStrombeek-bever, BelgiumHQ checked Sep 28, 202611-5021 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceGrez-doiceau, BelgiumHQ checked Sep 28, 20261-1020 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceSt-genesius-rode, BelgiumHQ checked Sep 28, 202611-5019 contacts →

Indirect evidence

“J.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceMerelbeke, BelgiumHQ checked Sep 28, 2026501-1,00019 contacts →

Partial evidence

“Studibo is a specialist in multidisciplinary solutions and certification.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceSchilde, BelgiumHQ checked Sep 28, 202611-5018 contacts →

Indirect evidence

“Axilium is een technisch studiebureau dat waarde hecht aan innovatie, duurzaamheid en kwaliteit.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceNiel, BelgiumHQ checked Sep 28, 202611-5018 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 217 iso certification consulting firms based in Belgium

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Iso certification consulting firms based in Belgium at a glance

As of Sep 28, 2026
40.9%Verified-email coverage
15.7Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · Brussels
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
156
11-50
43
51-200
10
201-500
3
501-1,000
1
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 217 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among iso certification consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Belgium whose own description of what they do matches “iso certification consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names iso certification consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among iso certification consulting firms, and records with no verified work email. Companies headquartered outside Belgium are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,396 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names iso certification consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 217 iso certification consulting firms headquartered in Belgium as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Vinçotte, headquartered in Brussels, tops this list with the largest team on record.

Which city has the most iso certification consulting firms?

Brussels leads with 8 headquartered companies, followed by Antwerpen (5) and Gent (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,396 verified decision-maker contacts tracked across these 217 companies.

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 Smart Search, 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.