Company lists · Data refreshed November 2026

Top 25 IT and cybersecurity audit and review services based in Germany

RevenueBase identified 163 company matches for IT and cybersecurity audit and review services associated with Germany as of November 2026 and tracks 890 professional contacts across them, including 387 with verified work emails. Berlin is the largest hub.

This list covers company matches for IT and cybersecurity audit and review 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 November 5, 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 5, 2026 How this list was built
163Companies
890Contacts tracked
387Verified emails
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The 25 largest IT and cybersecurity audit and review services based in Germany

Ranked by team size
Top 25 of 163 company matches for IT and cybersecurity audit and review services based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchUlm, GermanyHQ recorded Nov 5, 202651-20071 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchGarching, GermanyHQ recorded Nov 5, 202651-20047 contacts →

Exact match

“HvS-Consulting AG is consulting large and medium-sized companies on the topic of cyber security since 2002.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchWolnzach, GermanyHQ recorded Nov 5, 202651-20046 contacts →

Exact match

“Ihr SOC-Partner im DACH-Mittelstand.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchBerlin, GermanyHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“A passionate approach to technology combined with solid digital skills and expertise is our answer to the constant new challenges arising in the world of information technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBad Oldesloe, GermanyHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
6Exact matchStuttgart, GermanyHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Unser Ziel ist es, für Sie Produkte und Lösungen zu entwickeln, welche gleichzeitig widerstandsfähig gegen Angriffe und Manipulationen sind, um Daten und Prozesse zu schützen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchUlm, GermanyHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“SCHUTZWERK GmbH is an international IT security consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBerlin, GermanyHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Die GAI NetConsult GmbH ist ein in Deutschland und dem benachbarten Ausland tätiges, unabhängiges Beratungsunternehmen für IT- und OT-Security mit Hauptsitz in Berlin.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchRatingen, GermanyHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
10Exact matchSteinau, GermanyHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11Exact matchVaterstetten, GermanyHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Cyber Samurai GmbH – Ihr IT-Security Dienstleister im Kampf gegen aktuelle Cyberbedrohungen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchWettenberg, GermanyHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Unser Versprechen für Ihre Cybersicherheit!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchWerl, GermanyHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“ARTADA GmbH is an information technology and services company based out of Hammer Str.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMunich, GermanyHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“Book.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchHeilbronn, GermanyHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“Die Phalanx-IT ist ihr Dienstleister für IT-Sicherheit und IT-Forensik!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBuchholz In Der Nordheide, GermanyHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“TEDESIO – IT-Sachverständigenbüro für IT-Sicherheit, Datenschutz & IT-Forensik – zertifiziert, unabhängig & kompetent Über uns: TEDESIO ist Ihr unabhängiger Partner für…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBamberg, GermanyHQ recorded Nov 5, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBrunswick, GermanyHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“dynexo is specialized in modern, IT-related services in the field of cyber security, IT systems, automation, network infrastructure, cloud services and software development.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchAachen, GermanyHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“IT-Sicherheit ist unser Spezialgebiet.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBerlin, GermanyHQ recorded Nov 5, 20261-1012 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNeumarkt In Der Oberpfalz, GermanyHQ recorded Nov 5, 202611-5011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSaarbrücken, GermanyHQ recorded Nov 5, 20261-1010 contacts →

Exact match

“Sicherheit können wir Wir sind sequire (für: security (engl: Sicherheit) und quire (lateinisch: können))!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchFrankfurt, GermanyHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Wir bieten professionelle Lösungen für Behörden, Wirtschaftsunternehmen und Kanzleien.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchFürth, GermanyHQ recorded Nov 5, 202611-508 contacts →

Exact match

“NIGEFA Computersysteme GmbH is an information technology and services company based out of 7 Bachgasse, Fürth, Hesse, Germany.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchHamburg, GermanyHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Our experienced cyber security experts help you protect your applications and systems and implement progressive cyber security, cloud and penetration test concepts.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 163 IT and cybersecurity audit and review services based in Germany

See the full list, filter by size, metro and specialty, and access 387 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT and cybersecurity audit and review services based in Germany at a glance

As of Nov 5, 2026
43.5%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
9.2%Largest-city concentration · Berlin
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
109
11-50
47
51-200
4
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 163 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 “IT and cybersecurity audit and review 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 387 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 5, 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 “IT and cybersecurity audit and review services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT and cybersecurity audit and review services are there based in Germany?

RevenueBase identified 163 company matches for IT and cybersecurity audit and review services 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?

Ditis Systeme tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most IT and cybersecurity audit and review services?

Berlin leads with 15 company records, followed by Munich (9) and Cologne (8).

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 387 professional contacts with verified work emails tracked across these 163 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 5, 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.