Company lists · Data refreshed November 2026

Top 25 Iso 27001 certification companies based in Germany

RevenueBase identified 102 company matches for iso 27001 certification companies associated with Germany as of November 2026 and tracks 922 professional contacts across them, including 381 with verified work emails. Berlin is the largest hub.

This list covers company matches for iso 27001 certification companies 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
102Companies
922Contacts tracked
381Verified emails
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The 25 largest iso 27001 certification companies based in Germany

Ranked by team size
Top 25 of 102 company matches for iso 27001 certification companies 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 matchNeu-isenburg, GermanyHQ recorded Nov 6, 202651-200134 contacts →

Exact match

“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact matchPfaffenhofen A.d. Ilm, GermanyHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“ARCA-Consult ist spezialisiert auf Informationssicherheit, IT-Sicherheit und Zertifizierungsberatung.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBremen, GermanyHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Bei der datenschutz cert GmbH arbeitenJurist*innen und Informationssicherheits-Expert*innen, die Prüfungen und Zertifizierungen im Bereich Datenschutz und Informationssicherheit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Zertifizierungen wie ISO 27001 und TISAX gehören in immer mehr Branchen zum Standard.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact 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
10Exact matchLeonberg, GermanyHQ recorded Nov 6, 20261-108 contacts →

Exact match

“ISO/IEC 27001 implementation services and consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSpeyer, GermanyHQ recorded Nov 6, 202611-506 contacts →

Exact match

“AJA Registrars Germany GmbH heißt jeden willkommen, der eine erfahrene Zertifizierungsstelle sucht.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStuttgart, GermanyHQ recorded Nov 6, 202611-506 contacts →

Exact match

“ConfigPoint - der Managed Service Provider für Deine individuellen IT-Security und Service-Dienstleistungen - ISO27001 zertifiziert”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBerlin, GermanyHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Audit-ready für ISO 27001 und TISAX werden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSundern, GermanyHQ recorded Nov 6, 20261-106 contacts →

Exact match

“IQI GmbH – Ihr Partner für Managementsysteme, Nachhaltigkeit & Compliance Seit über 25 Jahren begleitet die IQI GmbH Unternehmen bei der Einführung, Zertifizierung und Optimierung…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAchim, GermanyHQ recorded Nov 6, 20261-105 contacts →

Exact match

“IFIS-FR: Die Sicherheitsverbesserer®.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMunich, GermanyHQ recorded Nov 6, 20261-105 contacts →

Exact match

“International Certification Organization (ICO) certifies individuals through the use of its high-quality qualification programs and certifications in IT management- ISMS according…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNeumünster, GermanyHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Wir begleiten Unternehmen beim Aufbau, der Einführung und Weiterentwicklung von Managementsystemen: praxisnah, normkonform und mit echter Umsetzungskompetenz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMunich, GermanyHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Zertifizierung von Managementsystemen nach internationalen Standards ISO 9001, ISO 14001, CSR 26001 Aus- und Weiterbildung für Auditoren, Workshops, Seminare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOberschneiding, GermanyHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Die bavaria certification GmbH ist eine unabhängige, nicht-akkreditierte Zertifizierungsstelle mit Schwerpunkt auf Managementsystemen nach anerkannten nationalen und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWiesbaden, GermanyHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Die Herausforderungen für den Schutz von Daten und Informationen werden zunehmend vielfältiger und komplexer und die zu verarbeitenden Datenmengen durch die rasant wachsende…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPanketal, GermanyHQ recorded Nov 6, 202611-504 contacts →

Exact match

“We provide support for data protection and information security as data protection officers and information security officers and prepare you for ISO/IEC 27001 certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDitzingen, GermanyHQ recorded Nov 6, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBerlin, GermanyHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Wir helfen Unternehmen bei der Vorbereitung auf die ISO 27001, 9001 oder TISAX®-Zertifizierung.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLeipzig, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

“DICIS – Digital Certification of International Standards – makes ISO certification simple, fast, and affordable for small and medium-sized businesses.”

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

Showing 25 of 102 iso 27001 certification companies based in Germany

See the full list, filter by size, metro and specialty, and access 381 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso 27001 certification companies based in Germany at a glance

As of Nov 6, 2026
41.3%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
8.8%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
23
51-200
6
201-500
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 102 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 27001 certification companies” 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 381 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 27001 certification companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso 27001 certification companies are there based in Germany?

RevenueBase identified 102 company matches for iso 27001 certification companies 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?

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

Which city has the most iso 27001 certification companies?

Berlin leads with 9 company records, followed by Munich (6) and Hamburg (4).

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 381 professional contacts with verified work emails tracked across these 102 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.