Company lists · Data refreshed September 2026

Top 25 Internal audit advisory services based in Germany

RevenueBase identified 66 company matches for internal audit advisory services associated with Germany as of September 2026 and tracks 2,284 professional contacts across them, including 1,328 with verified work emails. Hamburg is the largest hub.

This list covers company matches for internal audit advisory services 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 September 21, 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 Sep 21, 2026 How this list was built
66Companies
2,284Contacts tracked
1,328Verified emails
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The 25 largest internal audit advisory services based in Germany

Ranked by team size
Top 25 of 66 company matches for internal audit advisory services based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchStuttgart, GermanyHQ recorded Sep 21, 20261,001-5,0001,442 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchBerlin, GermanyHQ recorded Sep 21, 2026501-1,000335 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchStuttgart, GermanyHQ recorded Sep 21, 2026201-500112 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchKarlsruhe, GermanyHQ recorded Sep 21, 2026201-50088 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchEssen, GermanyHQ recorded Sep 21, 202611-5040 contacts →

Exact match

“What we do: IVC - Agile.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchFrankfurt, GermanyHQ recorded Sep 21, 202611-5034 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBad Oldesloe, GermanyHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“Aus s-consit wird ETL consit.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchRatingen, GermanyHQ recorded Sep 21, 202611-5016 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBad Homburg, GermanyHQ recorded Sep 21, 202611-508 contacts →

Exact match

“VIVACIS Consulting GmbH is a management consulting company based out of Horexstraße 1, Bad Homburg, Germany.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchNuremberg, GermanyHQ recorded Sep 21, 20261-108 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchLudwigshafen Am Rhein, GermanyHQ recorded Sep 21, 202611-506 contacts →

Exact match

“Die Dr.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchWiesbaden, GermanyHQ recorded Sep 21, 202611-506 contacts →

Exact match

“Wir sind Ihr Partner mit Expertise für objektive und unabhängige Revisions- und Beratungsleistungen.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchMünster, GermanyHQ recorded Sep 21, 20261-105 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchReutlingen, GermanyHQ recorded Sep 21, 20261-104 contacts →

Exact match

“We accept the challenge.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchBremen-altstadt, GermanyHQ recorded Sep 21, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchKehl-marlen, GermanyHQ recorded Sep 21, 20261-104 contacts →

Exact match

“Wirtschaftsprüfung und prüfungsnahe Dienstleistungen|-Prüfungen von Jahresabschlüssen; freiwillige und gesetzlich vorgeschriebene Prüfungen von kleinen, mittelgroßen und großen…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchHamburg, GermanyHQ recorded Sep 21, 202611-503 contacts →

Exact match

“adverit compliance supports you in the areas of Governance, Risk & Compliance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchRedwitz An Der Rodach, GermanyHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Wir betreuen Sie in den folgenden Bereichen: Fördermittel Beratung, externe Buchhaltung (Buchen der laufenden Geschäftsvorfälle) und Lohn (Lohn- und Gehaltsabrechnungen) sowie…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchFulda, GermanyHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Was macht uns aus?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchAachen, GermanyHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Wirtschaftsprüfung, Prüfungsnahe Beratung, Steuererklärungen, Jahresabschlüsse, Finanzbuchhaltung”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchStuttgart, GermanyHQ recorded Sep 21, 202611-503 contacts →

Exact match

“Wirtschaftsprüfung und Steuerberatung.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchHamburg, GermanyHQ recorded Sep 21, 20261-103 contacts →

Exact match

“CONRIOR bietet das gesamte Spektrum an Audits (Operational, Fraud, Aufsichtsrecht, Lieferanten), Risk (Operationelles Risikomanagement, Fraud Risk Management), Control (Internes…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchMössingen, GermanyHQ recorded Sep 21, 202611-502 contacts →

Exact match

“Handlungsspielräume werden heutzutage immer wichtiger.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchDreieich, GermanyHQ recorded Sep 21, 20261-102 contacts →

Exact match

“DAS LEISTET DIE IFC TREUHAND FÜR SIE Die ifc Treuhand GmbH Wirtschaftsprüfungsgesellschaft ist eine unabhängige Wirtschaftsprüfungs- und Beratungsgesellschaft.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchBietigheim-bissingen, GermanyHQ recorded Sep 21, 202611-502 contacts →

Exact match

“The AuditFactory ist eines der größten unabhängigen Netzwerke für Interne Revision, Compliance und Forensic Services in Deutschland.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 66 internal audit advisory services based in Germany

See the full list, filter by size, metro and specialty, and access 1,328 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internal audit advisory services based in Germany at a glance

As of Sep 21, 2026
58.1%Verified-email coverage
34.6Average contacts per company
1-10Median size (employees)
12.1%Largest-city concentration · Hamburg
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
21
51-200
2
201-500
2
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 66 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 “internal audit advisory services” 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 1,328 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 September 21, 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 “internal audit advisory services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal audit advisory services are there based in Germany?

RevenueBase identified 66 company matches for internal audit advisory services associated with Germany as of September 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?

RSM Ebner Stolz tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most internal audit advisory services?

Hamburg leads with 8 company records, followed by Berlin (3) and Munich (3).

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 1,328 professional contacts with verified work emails tracked across these 66 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 September 21, 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.