Company lists · Data refreshed September 2026

Top 25 Iso audit consulting companies based in the Netherlands

Name: Iso audit consulting companies based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 410 companies tracked

RevenueBase identified 410 iso audit consulting companies headquartered in the Netherlands as of September 2026 and tracks 5,015 professional contacts across them, including 1,896 with verified work emails. Rotterdam is the largest hub.

This list covers iso audit consulting companies headquartered in the Netherlands, 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

410Companies

5,015Contacts tracked

1,896Verified emails

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The 25 largest iso audit consulting companies based in the Netherlands

Ranked by team size

Top 25 of 410 iso audit consulting companies based in the Netherlands, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iso audit consulting companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	KIWA	Indirect evidence	Rijswijk, NetherlandsHQ checked Sep 28, 2026	10001+	1,100 contacts →
	Indirect evidence “Kiwa is a TIC company – we are an independent, impartial global leader in Testing, Inspection and Certification.” Source: RevenueBase Database · checked Sep 28, 2026
2	TÜV Nord Nederland	Indirect evidence	Son, NetherlandsHQ checked Sep 28, 2026	201-500	299 contacts →
	Indirect evidence “TÜV NORD Nederland is part of the international TÜV NORD Group and has been contributing to the daily success of many companies in the Netherlands and abroad through the provision…” Source: RevenueBase Database · checked Sep 28, 2026
3	Dvtadvies	Indirect evidence	Utrecht, NetherlandsHQ checked Sep 28, 2026	51-200	99 contacts →
	Indirect evidence “DVTadvies is a leading integral advising and inspection company in the field of corporate housing, fire safety, data centres and sustainability.” Source: RevenueBase Database · checked Sep 28, 2026
4	Asco International	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 28, 2026	51-200	88 contacts →
	Indirect evidence “Whether your business is local or global, asco comprises several inspection services to guarantee your processes or products meet quality, safety and environmental standards of…” Source: RevenueBase Database · checked Sep 28, 2026
5	Vinçotte NL A Kiwa Company	Indirect evidence	Breda, NetherlandsHQ checked Sep 28, 2026	51-200	69 contacts →
	Indirect evidence “Alles onder controle.” Source: RevenueBase Database · checked Sep 28, 2026
6	EBN Certification B.V	Indirect evidence	Dordrecht, NetherlandsHQ checked Sep 28, 2026	51-200	59 contacts →
	Indirect evidence “EBN Certification is een door de Raad voor Accreditatie (RvA) geaccrediteerde onafhankelijke certificerende instelling opgericht in voor onder andere kwaliteitsmanagementsystemen…” Source: RevenueBase Database · checked Sep 28, 2026
7	Technolab	Indirect evidence	Berkel En Rodenrijs, NetherlandsHQ checked Sep 28, 2026	11-50	50 contacts →
	Indirect evidence “Technolab is de meest ervaren partner als het aankomt op zorgen voor een schone lucht, veilig water en goede materialen.” Source: RevenueBase Database · checked Sep 28, 2026
8	Brand Compliance B.V	Indirect evidence	's-hertogenbosch, NetherlandsHQ checked Sep 28, 2026	11-50	46 contacts →
	Indirect evidence “Brand Compliance makes the reliability of organizations visible to the outside world.” Source: RevenueBase Database · checked Sep 28, 2026
9	Keurmerkinstituut	Indirect evidence	Zoetermeer, NetherlandsHQ checked Sep 28, 2026	11-50	38 contacts →
	Indirect evidence “Keurmerkinstituut verleent de keurmerken Goedgekeurd Keurmerkinstituut, Milieukeur, HKZ-certificaat (zorg, welzijn, jeugdzorg, kinderopvang), MVO-Wijzer-certificaat, en…” Source: RevenueBase Database · checked Sep 28, 2026
10	3p Quality Services BV	Indirect evidence	Oosterhout, NetherlandsHQ checked Sep 28, 2026	51-200	37 contacts →
	Indirect evidence “3P Quality Services is an independent inspection company which since 1997 provides a broad range of support services to the following industries: • EPC Engineering • Oil and Gas •…” Source: RevenueBase Database · checked Sep 28, 2026
11	Certificeringsadvies Nederland	Indirect evidence	's-hertogenbosch, NetherlandsHQ checked Sep 28, 2026	11-50	32 contacts →
	Indirect evidence “CertificeringsAdvies Nederland is een ambitieus en groeiend adviesbureau.” Source: RevenueBase Database · checked Sep 28, 2026
12	Praegus	Indirect evidence	Leusden, NetherlandsHQ checked Sep 28, 2026	51-200	30 contacts →
	Indirect evidence “Praegus, the testing experts with a mission: Carefree IT.” Source: RevenueBase Database · checked Sep 28, 2026
13	Ciio, DE Certificeerder Voor DE Professionele Dienstverlening	Indirect evidence	Hendrik Ido Ambacht, NetherlandsHQ checked Sep 28, 2026	11-50	28 contacts →
	Indirect evidence “Wij zijn een certificerende instelling dat zich richt op certificering en auditing van professionele, kennisintensieve dienstverlenende organisaties.” Source: RevenueBase Database · checked Sep 28, 2026
14	QVOX	Indirect evidence	Hollandscheveld, NetherlandsHQ checked Sep 28, 2026	11-50	27 contacts →
	Indirect evidence “QVOX is front runner in the world of certification and compliance.” Source: RevenueBase Database · checked Sep 28, 2026
15	Audittrail	Partial evidence	Leiderdorp, NetherlandsHQ checked Sep 28, 2026	11-50	27 contacts →
	Partial evidence “Audittrail verzorgt audits voor en adviseert over de vakgebieden informatiebeveiliging, privacy, governance, risk & compliance en kwaliteit.” Source: RevenueBase Database · checked Sep 28, 2026
16	SENSZ	Indirect evidence	Naarden, NetherlandsHQ checked Sep 28, 2026	11-50	26 contacts →
	Indirect evidence “Al vanaf 2004 is Sensz actief op het gebied van integrale kwaliteit en voedselveiligheid.” Source: RevenueBase Database · checked Sep 28, 2026
17	Paltrock HSE	Indirect evidence	Utrecht, NetherlandsHQ checked Sep 28, 2026	11-50	25 contacts →
	Indirect evidence “Health, Safety, Quality & Environmental Management / Consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
18	Zertic	Indirect evidence	Eindhoven, NetherlandsHQ checked Sep 28, 2026	11-50	25 contacts →
	Indirect evidence “Zertic is a technology company that builds the world’s leading SaaS software for the testing, inspection, and certification (TIC) industry.” Source: RevenueBase Database · checked Sep 28, 2026
19	TOP Management Consultants	Indirect evidence	Capelle Aan Den Ijssel, NetherlandsHQ checked Sep 28, 2026	11-50	25 contacts →
	Indirect evidence “TOP Management Consultants is a service-oriented consultancy firm specializing in risk management and operational excellence, with a core focus on heavy high-risk industries.” Source: RevenueBase Database · checked Sep 28, 2026
20	Pander Consultancy	Indirect evidence	Zeewolde, NetherlandsHQ checked Sep 28, 2026	11-50	24 contacts →
	Indirect evidence “Pander Consultancy is een onafhankelijke adviesorganisatie die zich onder andere richt op de levensmiddelenbranche en u graag van dienst is bij al uw vragen op het gebied van…” Source: RevenueBase Database · checked Sep 28, 2026
21	Inaudit BV	Partial evidence	Leuvenheim, NetherlandsHQ checked Sep 28, 2026	11-50	24 contacts →
	Partial evidence “In the 13 years that InAudit has been in existence, we have grown from a provider of internal audit services into a group that does much more than that.” Source: RevenueBase Database · checked Sep 28, 2026
22	Digitrust	Indirect evidence	Eindhoven, NetherlandsHQ checked Sep 28, 2026	11-50	22 contacts →
	Indirect evidence “é.” Source: RevenueBase Database · checked Sep 28, 2026
23	Newspark BV	Indirect evidence	Nieuwegein, NetherlandsHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “Onze visie: kwaliteit is mensenwerk.” Source: RevenueBase Database · checked Sep 28, 2026
24	Vest Information Security	Indirect evidence	Naarden, NetherlandsHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “Vest Information Security is an independent, certified consultancy company highly specialized in information security.” Source: RevenueBase Database · checked Sep 28, 2026
25	Bbci Frijwijk BV	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “bbci Frijwijk bv is een gespecialiseerd bedrijf in het uitvoeren van bouwkundige en civieltechnische inspecties.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: iso audit consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names iso audit consulting companies.
Partial evidence: Its own public description names part of iso audit consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iso audit consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 410 iso audit consulting companies based in the Netherlands

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Iso audit consulting companies based in the Netherlands at a glance

As of Sep 28, 2026

37.8%Verified-email coverage

12.2Average contacts per company

1-10Median size (employees)

5.4%Largest-city concentration · Rotterdam

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

302

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 410 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 audit consulting companies, 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 the Netherlands whose own description of what they do matches “iso audit consulting companies”. 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 audit consulting companies), 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 audit consulting companies, and records with no verified work email. Companies headquartered outside Netherlands 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, 1,896 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 audit consulting companies, 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 audit consulting companies are there based in the Netherlands?

RevenueBase identified 410 iso audit consulting companies headquartered in the Netherlands 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?

KIWA, headquartered in Ea, tops this list with the largest team on record.

Which city has the most iso audit consulting companies?

Rotterdam leads with 22 headquartered companies, followed by Amsterdam (14) and Utrecht (10).

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 1,896 verified decision-maker contacts tracked across these 410 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.