Company lists · Data refreshed November 2026

Top 21 Information systems audit companies based in Germany

RevenueBase identified 43 company matches for information systems audit companies associated with Germany as of November 2026 and tracks 309 professional contacts across them, including 149 with verified work emails. Berlin is the largest hub.

This list covers company matches for information systems audit 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
43Companies
309Contacts tracked
149Verified emails
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The 21 largest information systems audit companies based in Germany

Ranked by team size
Top 21 of 43 company matches for information systems audit 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 matchPaderborn, GermanyHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“neam IT-Services GmbH – founded in 1996 – is a Systems Integrator based in Paderborn, Germany and operating in various projects all over Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBad Oldesloe, GermanyHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Die ETL consit ist eines der bundesweit führenden Beratungsunternehmen in den Bereichen Betriebs- und IT-Revision.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHerford, GermanyHQ recorded Nov 6, 202611-5020 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRatingen, GermanyHQ recorded Nov 6, 202611-5019 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSteinau, GermanyHQ recorded Nov 6, 20261-1018 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchCologne, GermanyHQ recorded Nov 6, 202611-509 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLangenhagen, GermanyHQ recorded Nov 6, 202611-507 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRosenheim, GermanyHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Wir digitalisieren nicht einzelne Managementsysteme.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBerlin, GermanyHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Technologische Innovationen in hochregulierten Branchen erfordern Kompetenz und Freude am interdisziplinären Diskurs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMössingen, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Handlungsspielräume werden heutzutage immer wichtiger.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMünchen-unterföhring, GermanyHQ recorded Nov 6, 20261-103 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-502 contacts →

Exact match

“The consulting house that establishes security, risk and compliance as an enabler for your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMünster, GermanyHQ recorded Nov 6, 20261-102 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWernigerode, GermanyHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Wir stehen für einen ganzheitlichen Ansatz unserer Beratungs, Schulungs- und Dokumentationsleistungen zur Erfüllung von Compliance- und IT-Security-Anforderungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUlm, GermanyHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Informationssicherheit ist nicht nur ein Job.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMunich, GermanyHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Die Erwartungshaltung der Kunden an die Individualität und die Verfügbarkeit von Produkten setzt Unternehmen unter Druck.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWuppertal, GermanyHQ recorded Nov 6, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDresden, GermanyHQ recorded Nov 6, 20261-101 contacts →

Exact match

“iXactly® ist Ihr Partner für Informationssicherheit in Sachsen Sie fallen als Unternehmen unter die KRITIS-Verordnung und müssen ein ISMS nach ISO 27001 oder IT-Grundschutz…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHalle-gesundbrunnen, GermanyHQ recorded Nov 6, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWeede, GermanyHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Unternehmensberatung Joachim Sell is a management consulting company based out of 5 Stipsdorfer Str, Weede, Germany.”

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

Showing 21 of 43 information systems audit companies based in Germany

See the full list, filter by size, metro and specialty, and access 149 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Information systems audit companies based in Germany at a glance

As of Nov 6, 2026
48.2%Verified-email coverage
7.2Average contacts per company
1-10Median size (employees)
9.3%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
15
51-200
2

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 43 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 “information systems audit 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 149 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 “information systems audit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information systems audit companies are there based in Germany?

RevenueBase identified 43 company matches for information systems audit 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?

Neam It-Services Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most information systems audit companies?

Berlin leads with 4 company records, followed by Hamburg (3) and Dusseldorf (2).

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 149 professional contacts with verified work emails tracked across these 43 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.