Company lists · Data refreshed November 2026

Top 24 Cybersecurity audit companies based in Germany

RevenueBase identified 196 company matches for cybersecurity audit companies associated with Germany as of November 2026 and tracks 3,045 professional contacts across them, including 1,240 with verified work emails. Berlin is the largest hub.

This list covers company matches for cybersecurity 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 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
196Companies
3,045Contacts tracked
1,240Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest cybersecurity audit companies based in Germany

Ranked by team size
Top 24 of 196 company matches for cybersecurity audit companies 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 matchBochum, GermanyHQ recorded Nov 5, 2026501-1,000392 contacts →

Exact match

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBonn, GermanyHQ recorded Nov 5, 20261,001-5,000379 contacts →

Exact match

“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchNeu-isenburg, GermanyHQ recorded Nov 5, 202651-200134 contacts →

Exact match

“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchFrankfurt, GermanyHQ recorded Nov 5, 202651-20080 contacts →

Exact match

“Link11 is a leading European manufacturer of cloud-based cybersecurity solutions that helps businesses and public authorities in critical infrastructure stay online, no matter…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchTübingen, GermanyHQ recorded Nov 5, 202651-20077 contacts →

Exact match

“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchMendig, GermanyHQ recorded Nov 5, 202651-20056 contacts →

Exact match

“ProSec GmbH verwandelt Unternehmen in digitale Festungen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact 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
9Exact 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
10Exact matchMannheim, GermanyHQ recorded Nov 5, 202651-20031 contacts →

Exact match

“SAMA PARTNERS Business Solutions ist ein unabhängiges Beratungs- und Engineering-Unternehmen mit Hauptsitz in Mannheim, mit den Schwerpunkten Informationssicherheit, KI und…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchGelsenkirchen, GermanyHQ recorded Nov 5, 202611-5027 contacts →

Exact match

“We are a cyber security company based in Gelsenkirchen, Germany.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact matchKarlsruhe, GermanyHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Digitale Bedrohungen wachsen – und damit unsere Verantwortung.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchMunich, GermanyHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Services: Penetration Tests & Web Application Hacking IoT, SCADA & Hardware Hacking Red Team Assessments & Attack Simulations Social Engineering & Awareness Trainings Source Code…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchBerlin, GermanyHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Cure53 offers classic black-box penetration tests (zero-knowledge) as well as white-box tests and code audits.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchAugsburg, GermanyHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“IT-Sicherheit, die schützt, bevor es kritisch wird!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchFrankfurt, GermanyHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“ujima ist ein führender Anbieter von Cyber-Sicherheitslösungen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact 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

Showing 24 of 196 cybersecurity audit companies based in Germany

See the full list, filter by size, metro and specialty, and access 1,240 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Cybersecurity audit companies based in Germany at a glance

As of Nov 5, 2026
40.7%Verified-email coverage
15.5Average contacts per company
1-10Median size (employees)
13.8%Largest-city concentration · Berlin
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
114
11-50
64
51-200
12
201-500
3
501-1,000
1
1,001-5,000
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 196 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 “cybersecurity 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 1,240 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.

Cybersecurity audit companies by metro

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

How many cybersecurity audit companies are there based in Germany?

RevenueBase identified 196 company matches for cybersecurity 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?

G Data Cyberdefense tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cybersecurity audit companies?

Berlin leads with 27 company records, followed by Munich (19) and Frankfurt (16).

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 1,240 professional contacts with verified work emails tracked across these 196 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.

Ready to reach these companies? Verified emails and direct dials for all 196 cybersecurity audit companies based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

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.