Company lists · Data refreshed September 2026

Top 25 IT audit consulting companies based in Germany

RevenueBase identified 151 IT audit consulting companies headquartered in Germany as of September 2026 and tracks 2,744 professional contacts across them, including 1,458 with verified work emails. Berlin is the largest hub.

This list covers IT audit consulting 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 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
151Companies
2,744Contacts tracked
1,458Verified emails
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The 25 largest IT audit consulting companies based in Germany

Ranked by team size
Top 25 of 151 IT audit consulting companies based in Germany, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to IT 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceStuttgart, GermanyHQ checked Sep 28, 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 28, 2026
2Partial evidenceBerlin, GermanyHQ checked Sep 28, 2026501-1,000335 contacts →

Partial evidence

“PKF Fasselt is one of Germany’s leading mid-sized auditing and consulting firms.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceStuttgart, GermanyHQ checked Sep 28, 2026201-500112 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceMünchen, GermanyHQ checked Sep 28, 2026201-500110 contacts →

Partial evidence

“Kleeberg is a national and internationally active auditing and tax consulting firm based in Munich.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceKarlsruhe, GermanyHQ checked Sep 28, 2026201-50088 contacts →

Indirect evidence

“dhmp – auch wenn es komplex wird Seit mehr als 50 Jahren sind wir unabhängige Wirtschaftsprüfungs- und Steuerberatungsgesellschaft mit den Beratungsfeldern Steuern…”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceFrankfurt Am Main, GermanyHQ checked Sep 28, 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 28, 2026
7Indirect evidenceEssen, GermanyHQ checked Sep 28, 202651-20024 contacts →

Indirect evidence

“Als eine der führenden, unabhängigen Wirtschaftsprüfungs- und Steuerberatungsgesellschaften im Ruhrgebiet beraten wir mittelständische Unternehmen, börsennotierte Gesellschaften…”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceBad Oldesloe, GermanyHQ checked Sep 28, 202611-5023 contacts →

Indirect evidence

“Aus s-consit wird ETL consit.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceKöln, GermanyHQ checked Sep 28, 202651-20018 contacts →

Partial evidence

“Durch unsere Beratung helfen wir unseren Kunden die Sicherheit und Effizienz ihrer IT nachhaltig zu steigern und ihre IT-Risiken zu kontrollieren.”

Source: RevenueBase Database · checked Sep 28, 2026
10Strong evidenceRatingen, GermanyHQ checked Sep 28, 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 28, 2026
11Indirect evidenceMühldorf A. Inn, GermanyHQ checked Sep 28, 20261-1011 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceLudwigshafen Am Rhein, GermanyHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“Die Alltreu ist seit über 35 Jahren als mittelständige Steuerberatungs- und Wirtschaftsprüfungsgesellschaft in Ludwigshafen tätig.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceMörfelden-walldorf, GermanyHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“ISW – das + für Ihr Unternehmen.”

Source: RevenueBase Database · checked Sep 28, 2026
14Strong evidenceLeipzig, GermanyHQ checked Sep 28, 202611-508 contacts →

Strong 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 28, 2026
15Indirect evidenceFrankfurt, GermanyHQ checked Sep 28, 20261-108 contacts →

Indirect evidence

“Wir sind eine Wirtschaftsprüfungs- und Beratungsgesellschaft mit einem klaren Fokus auf den Finanz- und Technologiesektor.”

Source: RevenueBase Database · checked Sep 28, 2026
16Strong evidenceHamburg, GermanyHQ checked Sep 28, 202611-508 contacts →

Strong evidence

“EBS is a Hamburg-based audit firm that specialises in selected areas of auditing, accounting, and audit-related consulting.”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceNurnberg, GermanyHQ checked Sep 28, 20261-108 contacts →

Partial evidence

“Die Zamirion GmbH versteht sich als Unternehmensberatung auf Augenhöhe in den Bereichen Governance, Compliance, Audit.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceLangenhagen, GermanyHQ checked Sep 28, 202611-507 contacts →

Partial evidence

“Die interev GmbH ist Ihr starker und verlässlicher Partner im Bereich Datenschutz und IT-Revision.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceLudwigshafen Am Rhein, GermanyHQ checked Sep 28, 202611-506 contacts →

Indirect evidence

“Die Dr.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceMunich, GermanyHQ checked Sep 28, 202611-506 contacts →

Partial evidence

“Bei MERKUR TAX & AUDIT sind wir keine gewöhnliche Steuerberatungs- und Wirtschaftsprüfungsgesellschaft.”

Source: RevenueBase Database · checked Sep 28, 2026
21Strong evidenceBorken, GermanyHQ checked Sep 28, 20261-106 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceLandshut, GermanyHQ checked Sep 28, 202611-506 contacts →

Indirect evidence

“Wirtschaftsprüfungsgesellschaft, Steuerberatungsgesellschaft in Landshut”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceMünster, GermanyHQ checked Sep 28, 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 28, 2026
24Partial evidenceMünchen-unterföhring, GermanyHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“Die hochqualifizierten Berater der ITENIC GmbH unterstützen mittelständische Unternehmen als auch internationale Großkonzerne zu den Themen IT-Betrieb, IT-Service-Management…”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceHeidelberg, GermanyHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“Assurance | Advisory | ESG | Tax”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 151 IT audit consulting companies based in Germany

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IT audit consulting companies based in Germany at a glance

As of Sep 28, 2026
53.1%Verified-email coverage
18.2Average contacts per company
1-10Median size (employees)
6.6%Largest-city concentration · Berlin
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
47
51-200
5
201-500
3
501-1,000
1
1,001-5,000
2
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 151 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 IT 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 Germany whose own description of what they do matches “IT 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 IT 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 IT audit consulting 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, 1,458 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 IT 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 IT audit consulting companies are there based in Germany?

RevenueBase identified 151 IT audit consulting 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?

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

Which city has the most IT audit consulting companies?

Berlin leads with 10 headquartered companies, followed by Hamburg (10) and Munchen (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 1,458 verified decision-maker contacts tracked across these 151 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.