Company lists · Data refreshed November 2026

Top 25 Iso certification auditors based in Germany

RevenueBase identified 172 company matches for iso certification auditors associated with Germany as of November 2026 and tracks 2,069 professional contacts across them, including 720 with verified work emails. Berlin is the largest hub.

This list covers company matches for iso certification auditors associated with Germany, 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
172Companies
2,069Contacts tracked
720Verified emails
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The 25 largest iso certification auditors based in Germany

Ranked by team size
Top 25 of 172 company matches for iso certification auditors based in Germany, 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 matchEssen, GermanyHQ recorded Nov 6, 202610001+299 contacts →

Exact match

“TÜV NORD and its testing, inspection, and certification companies make our world safer and are a driving force for global innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“In 1997, the GUTcertifizierungsgesellschaft für Managementsysteme (GUT Certification Company for Management Systems) was founded - separated and spun off from the engineering and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchErfurt, GermanyHQ recorded Nov 6, 2026501-1,00093 contacts →

Exact match

“Der TÜV Thüringen steht seit mehr als drei Jahrzehnten für Qualität und Sicherheit aus dem Herzen Deutschlands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHersbruck, GermanyHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Our name: CERES - CERtification of Environmental Standards refers to "Ceres", the ancient Roman goddess of agriculture, who was equivalent to the Greek goddess Demeter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“info@dincertco.de +49 30 7562-1131 DIN CERTCO is your partner for all aspects of conformity assessment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHartmannsdorf, GermanyHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“SLG Prüf- und Zertifizierungs GmbH is a testing laboratory based out of Burgstädter Str.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOffenburg, GermanyHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Seit mehr als 30 Jahren sind wir mit kompetenten Lebensmittel- und Agrarfachleuten als qualifizierten Auditoren bei unseren Kunden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Service for our customers: Certifications: Preparation for certification at a fixed price.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“GFA Certification GmbH, based in Hamburg, Germany, is one of the leading and highly specialized certification bodies in the fields of sustainability certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNeu Ulm, GermanyHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Die ClarCert GmbH ist eine unabhängige Zertifizierungsstelle und führend in ausgewählten Gebieten der Qualitätssicherung.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBonn, GermanyHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Als lösungsorientierte Zertifizierungsstelle stärken wir das Vertrauen in sichere Produkte und entwickeln innovative Lösungen für eine nachhaltige Zukunft von Mensch, Tier, Umwelt…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Die DECURA Gruppe wurde bereits 1996 gegründet und unterstützt seitdem mehr als 100 Unternehmen in 13 Ländern auf vier Kontinenten.”

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

Exact match

“Since 2005, the MPR International GmbH has supported companies worldwide with product certifications for the Chinese, Taiwanese, Indian, South-Korean, Russian, African and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Wir sind eine akkreditierte Zertifizierungsstelle und Benannte Stelle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCoesfeld, GermanyHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Wir zertifizieren Ihre Systeme & Anlagen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMagdeburg, GermanyHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“ÖHMI EuroCert® GmbH ist eine akkreditierte Zertifizierungsstelle mit Schwerpunkten in den Bereichen Qualität, Sicherheit, IT, Energie, Umwelt- und Arbeitsschutz.”

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

Exact match

“AUDITS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHanover, GermanyHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“IFU-CERT GmbH Zertifizierungsgesellschaft und Umweltgutachterorganisation Wir sind Umwelt­gutachtende und Sachver­ständige für Energie, Nachhaltigkeit und Umwelt­schutz Impressum…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKassel, GermanyHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“ESC focuses on the certification of companies according to international standards such as quality, safety and environmental management systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBremen, GermanyHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Die Securenication ist ein international agierendes Unternehmen, das sich auf Informationssicherheit und ihre untrennbare Beziehung zur Kommunikation spezialisiert hat.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWarendorf, GermanyHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Wir sind Ihr Lotse bei der Implementierung, Pflege und Weiterentwicklung Ihres Integrierten Managementsystems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWietmarschen, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“As a subsidiary of the globally successful Rosenxt Group, CERTivation offers you not only internationally recognized certificates for your management system but also the advantage…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBrunswick, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Ramboll ICB provides independent and impartial safety and conformity assessment services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNuremberg, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“There are routine tasks connected with running a management system and its further development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchChemnitz, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Die ICG Zertifizierung GmbH ist Ihr kompetenter Partner zur Zertifizierung Ihres Unternehmens.”

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

Showing 25 of 172 iso certification auditors based in Germany

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Iso certification auditors based in Germany at a glance

As of Nov 6, 2026
34.8%Verified-email coverage
12.0Average contacts per company
1-10Median size (employees)
7.0%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
94
11-50
54
51-200
12
201-500
1
501-1,000
1
1,001-5,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 172 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 Germany whose business descriptions match “iso certification auditors” 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 720 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 certification auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso certification auditors are there based in Germany?

RevenueBase identified 172 company matches for iso certification auditors associated with Germany 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?

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

Which city has the most iso certification auditors?

Berlin leads with 12 company records, followed by Hamburg (8) and Munich (7).

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 720 professional contacts with verified work emails tracked across these 172 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.