Company lists · Data refreshed September 2026

Top 25 Compliance security audit companies based in Germany

RevenueBase identified 130 compliance security audit companies headquartered in Germany as of September 2026 and tracks 510 professional contacts across them, including 206 with verified work emails. Berlin is the largest hub.

This list covers compliance security audit companies headquartered in Germany, 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 27, 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 27, 2026 86% judged on-target in blind review
130Companies
510Contacts tracked
206Verified emails
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The 25 largest compliance security audit companies based in Germany

Ranked by team size
Top 25 of 130 compliance security audit companies based in Germany, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to compliance security audit 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBad Oldesloe, GermanyHQ checked Sep 27, 202611-5023 contacts →

Indirect evidence

“Aus s-consit wird ETL consit.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceHerford, GermanyHQ checked Sep 27, 202611-5019 contacts →

Indirect evidence

“Ihr zuverlässiger Partner für Consulting, Training und Services im Bereich Datenschutz und Informationssicherheit.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceFrankfurt, GermanyHQ checked Sep 27, 202611-5017 contacts →

Partial evidence

“Die Cybrex wurde 2019 mit dem Ziel gegründet eine auf Fach- und Expertenwissen basierte Managementberatung langfristig im Umfeld der Informationssicherheit sowie IT-Compliance zu…”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceSteinau, GermanyHQ checked Sep 27, 20261-1017 contacts →

Partial evidence

“Independent firm offering innovative solutions for Managed Security, Information Security & Risk, Business Continuity, Certification (ISO & PCI) and Computer Forensics.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceDarmstadt, GermanyHQ checked Sep 27, 202651-20016 contacts →

Partial evidence

“DIESEC, founded by Carl Dietzel in 2009, is dedicated to securing your most valuable asset - your data.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceMunich, GermanyHQ checked Sep 27, 202611-5016 contacts →

Indirect evidence

“Book.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceHaltern Am See, GermanyHQ checked Sep 27, 202611-5013 contacts →

Partial evidence

“Herzlich willkommen bei eco COMPLIANCE – Ihre Compliance-Coaches!”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceBerlin, GermanyHQ checked Sep 27, 20261-1012 contacts →

Partial evidence

“At their core, IT security problems are often quality problems of a different kind that no one else might have noticed.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceRastatt, GermanyHQ checked Sep 27, 202611-5011 contacts →

Indirect evidence

“Wir sind eine Unternehmensberatung, die sich auf Informationssicherheit spezialisiert hat.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceNeuss, GermanyHQ checked Sep 27, 202611-5011 contacts →

Partial evidence

“Unsere ausgewiesenen ExpertInnen sorgen mit ihrem umfangreichen Erfahrungsschatz dafür, dass alle internen und externen Compliance-Vorgaben eingehalten werden und Sie sich auf Ihr…”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceWeimar (lahn), GermanyHQ checked Sep 27, 202611-5011 contacts →

Partial evidence

“greenhats® is a platform for IT security.”

Source: RevenueBase Database · checked Sep 27, 2026
12Strong evidenceWalldorf, GermanyHQ checked Sep 27, 202611-5010 contacts →

Strong evidence

“WALLSEC specializes in penetration testing and security audits for critical enterprise IT.”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceLimburg An Der Lahn, GermanyHQ checked Sep 27, 202611-5010 contacts →

Partial evidence

“Die b-pi sec GmbH ist ihr qualifizierter Partner in den Bereichen Informationssicherheit, Datenschutz, Prozessmanagement und Compliance.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceNeumarkt In Der Oberpfalz, GermanyHQ checked Sep 27, 202611-5010 contacts →

Partial evidence

“Our work is built on two pillars: expert consulting and the operation of proven security solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceMörfelden-walldorf, GermanyHQ checked Sep 27, 202611-509 contacts →

Indirect evidence

“ISW – das + für Ihr Unternehmen.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceDüsseldorf, GermanyHQ checked Sep 27, 20261-109 contacts →

Indirect evidence

“Bei securance glauben wir daran, dass Sicherheit nicht entsteht, weil man mehr Tools kauft oder mehr Checklisten ausfüllt, sondern weil man versteht, was im eigenen Unternehmen…”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceLeipzig, GermanyHQ checked Sep 27, 202611-508 contacts →

Partial evidence

“SigeniuS is a rapidly growing cybersecurity company that focuses on providing expert consulting and services in IT security, IT risk management, DORA, NIS2, and IAM - nationwide…”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceMaintal, GermanyHQ checked Sep 27, 202611-507 contacts →

Indirect evidence

“CyStrat Services GmbH was founded in 2022 with the clear vision of delivering first-class consulting services in the field of cybersecurity, built on a strong foundation of IT…”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceLübeck, GermanyHQ checked Sep 27, 20261-107 contacts →

Partial evidence

“Wir unterstützen Unternehmen dabei, Security-Risiken frühzeitig zu verstehen, zu priorisieren und bewusst zu steuern.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceNeu-anspach, GermanyHQ checked Sep 27, 202611-507 contacts →

Indirect evidence

“Die nGENn GmbH berät Unternehmen und insbesondere Betreiber kritischer Einrichtungen aller Sektoren bei der Anpassung ihres Informationssicherheitsmanagements an das dynamische…”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceBorken, GermanyHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“SILA Consulting GmbH is your IT consulting company for information and data security.”

Source: RevenueBase Database · checked Sep 27, 2026
22Partial evidenceWetzlar, GermanyHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“Animus Blue unterstützt Sie zuverlässig in den Bereichen Cybersecurity und Compliance.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceKönigstein, GermanyHQ checked Sep 27, 202611-505 contacts →

Indirect evidence

“Die SpecOps Solutions GmbH ist ein Nischenanbieter für Informationssicherheit.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceMünster, GermanyHQ checked Sep 27, 20261-105 contacts →

Partial evidence

“Our portfolio covers various areas of application in the fields of IT governance, risk management and compliance.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceTreuchtlingen, GermanyHQ checked Sep 27, 20261-105 contacts →

Indirect evidence

“Ihre Sicherheit, unser Fokus- Der "Resilience Backbone by secudor" secudor ist Ihr vertrauenswürdiger Partner für Datenschutz, Informationssicherheit und Unternehmenssteuerung im…”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 130 compliance security audit companies based in Germany

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Compliance security audit companies based in Germany at a glance

As of Sep 27, 2026
40.4%Verified-email coverage
3.9Average contacts per company
1-10Median size (employees)
7.7%Largest-city concentration · Berlin
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
88
11-50
38
51-200
2
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 130 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 compliance security audit 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 Germany whose own description of what they do matches “compliance security audit 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 compliance security audit 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 compliance security audit companies, and records with no verified work email. Companies headquartered outside Germany 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, 206 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 27, 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 compliance security audit 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 compliance security audit companies are there based in Germany?

RevenueBase identified 130 compliance security audit companies headquartered in Germany 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?

ETL Consit Gmbh, headquartered in Bad Oldesloe, tops this list with the largest team on record.

Which city has the most compliance security audit companies?

Berlin leads with 10 headquartered companies, followed by Hamburg (6) and Bonn (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 206 verified decision-maker contacts tracked across these 130 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 27, 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.