Company lists · Data refreshed September 2026

Top 25 Compliance and IT audit firms based in Germany

RevenueBase identified 252 compliance and IT audit firms headquartered in Germany as of September 2026 and tracks 2,740 professional contacts across them, including 1,471 with verified work emails. Berlin is the largest hub.

This list covers compliance and IT audit firms 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 19, 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 19, 2026 86% judged on-target in blind review
252Companies
2,740Contacts tracked
1,471Verified emails
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The 25 largest compliance and IT audit firms based in Germany

Ranked by team size
Top 25 of 252 compliance and IT audit firms based in Germany, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to compliance and IT audit 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
1Indirect evidenceStuttgart, GermanyHQ checked Sep 19, 20261,001-5,0001,442 contacts →

Indirect evidence

“Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceStuttgart, GermanyHQ checked Sep 19, 2026201-500112 contacts →

Indirect evidence

“Die PKF Wulf Gruppe ist eine der führenden mittelständischen Prüfungs- und Beratungsgesellschaften.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceNeu-isenburg, GermanyHQ checked Sep 19, 202651-20074 contacts →

Indirect evidence

“Kompakte Lösungen im Beauftragtenwesen: Unsere Auslagerungs- und Unterstützungsangebote entlasten Sie spürbar vor dem Hintergrund steigender regulatorischer Anforderungen und…”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceGroßwallstadt, GermanyHQ checked Sep 19, 202651-20036 contacts →

Partial evidence

“Eticor is your partner for building a digital compliance organization as part of a value-based corporate governance.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceFrankfurt Am Main, GermanyHQ checked Sep 19, 202611-5034 contacts →

Indirect evidence

“Die GAR Gesellschaft für Aufsichtsrecht und Revision mbH Wirtschaftsprüfungsgesellschaft mit Sitz in Frankfurt am Main wurde im Juli 2009 gegründet.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceBonn, GermanyHQ checked Sep 19, 202651-20031 contacts →

Partial evidence

“At 2B Advice, we are the trusted partner in integrated risk management, helping businesses navigate data protection, compliance, and risk with confidence.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceFrankfurt, GermanyHQ checked Sep 19, 202611-5029 contacts →

Partial evidence

“Pohlmann & Company is one of the leading interdisciplinary and internationally active law and consulting firms with a clear focus on compliance, governance and investigations.”

Source: RevenueBase Database · checked Sep 19, 2026
8Strong evidenceMünchen, GermanyHQ checked Sep 19, 202611-5024 contacts →

Strong evidence

“We are focusing on intelligent IT solutions that assist organizations in the effective implementation of compliance related processes.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceBad Oldesloe, GermanyHQ checked Sep 19, 202611-5023 contacts →

Indirect evidence

“Aus s-consit wird ETL consit.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceHannover, GermanyHQ checked Sep 19, 202611-5021 contacts →

Partial evidence

“Althammer & Kill – Ihr Partner für Datenschutz, Informationssicherheit, Compliance und Künstliche Intelligenz (KI).”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceFrankfurt, GermanyHQ checked Sep 19, 202611-5020 contacts →

Partial evidence

“secori advisors is a management consultancy with a focus on security, risk, and compliance.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceCologne, GermanyHQ checked Sep 19, 202611-5019 contacts →

Indirect evidence

“ü, ä Regulatorische Vorgaben wie DORA und NIS2, zunehmende Cyber-Risiken und steigender Kostendruck erfordern präzises Handeln.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceHerford, GermanyHQ checked Sep 19, 202611-5019 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceDresden, GermanyHQ checked Sep 19, 202611-5018 contacts →

Indirect evidence

“Wir schaffen Sicherheit!”

Source: RevenueBase Database · checked Sep 19, 2026
15Strong evidenceFrankfurt, GermanyHQ checked Sep 19, 202611-5017 contacts →

Strong 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 19, 2026
16Strong evidenceRatingen, GermanyHQ checked Sep 19, 202611-5016 contacts →

Strong evidence

“Die Tengelmann Audit GmbH ist eine Prüfungs- und Beratungsgesellschaft mit einem vielfältigen Leistungsportfolio rund um die Themen Datenschutz, IT-Sicherheit und Revision.”

Source: RevenueBase Database · checked Sep 19, 2026
17Strong evidenceAschaffenburg, GermanyHQ checked Sep 19, 202611-5016 contacts →

Strong evidence

“Als bundesweit erfolgreich agierendes Beratungsunternehmen in den Bereichen IT & Compliance unterstützt isstech mit seinen Expert(innen) namhafte Kunden aus den Branchen Pharma…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceHeinsberg, GermanyHQ checked Sep 19, 202611-5014 contacts →

Indirect evidence

“Die exkulpa gmbh ist eine Unternehmensberatung mit Sitz in Heinsberg.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceBonn, GermanyHQ checked Sep 19, 202611-5013 contacts →

Indirect evidence

“Best Practice und Konformität für Ihre Geschäftsabläufe Basierend auf Industriestandards und gesetzlichen Anforderungen wie ITIL, ISO, Basel II & SOX und PCI integrieren wir mit…”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceHaltern Am See, GermanyHQ checked Sep 19, 202611-5013 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceBerlin, GermanyHQ checked Sep 19, 202611-5012 contacts →

Partial evidence

“SIGNUM Consulting is a leading company in the areas of Risk Management and Compliance in Germany.”

Source: RevenueBase Database · checked Sep 19, 2026
22Partial evidenceCologne, GermanyHQ checked Sep 19, 202611-5011 contacts →

Partial evidence

“AuditOne delivers modern audit infrastructure and cybersecurity services built for the teams that set the standard for trust.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceRastatt, GermanyHQ checked Sep 19, 202611-5011 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceNeuss, GermanyHQ checked Sep 19, 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 19, 2026
25Indirect evidenceKarlsruhe, GermanyHQ checked Sep 19, 202611-5011 contacts →

Indirect evidence

“Als Consulting-Pionier im Bereich Informationssicherheit und Datenschutz vereint Secorvo seit 1998 fundiertes Fachwissen mit der Freude an der Lösung herausfordernder…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 252 compliance and IT audit firms based in Germany

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Compliance and IT audit firms based in Germany at a glance

As of Sep 19, 2026
53.7%Verified-email coverage
10.9Average contacts per company
1-10Median size (employees)
7.9%Largest-city concentration · Berlin
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
164
11-50
72
51-200
6
201-500
1
1,001-5,000
1
5,001-10,000
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 252 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 and IT audit 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 Germany whose own description of what they do matches “compliance and IT audit 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 compliance and IT audit 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 compliance and IT audit firms, 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, 1,471 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 19, 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 and IT audit 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 compliance and IT audit firms are there based in Germany?

RevenueBase identified 252 compliance and IT audit firms 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?

RSM Ebner Stolz, headquartered in Stuttgart, tops this list with the largest team on record.

Which city has the most compliance and IT audit firms?

Berlin leads with 20 headquartered companies, followed by Hamburg (19) and Frankfurt (12).

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 1,471 verified decision-maker contacts tracked across these 252 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 19, 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.