Company lists · Data refreshed September 2026

Top 25 Federal security assessment firms based in Germany

RevenueBase identified 69 company matches for federal security assessment firms associated with Germany as of September 2026 and tracks 1,042 professional contacts across them, including 444 with verified work emails. Berlin is the largest hub.

This list covers company matches for federal security assessment firms 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 28, 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 28, 2026 How this list was built
69Companies
1,042Contacts tracked
444Verified emails
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The 25 largest federal security assessment firms based in Germany

Ranked by team size
Top 25 of 69 company matches for federal security assessment firms based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 Sep 28, 2026501-1,000386 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 · Sep 28, 2026 · View company records in RevenueBase
2Exact matchNeu-isenburg, GermanyHQ recorded Sep 28, 202651-200130 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchEssen, GermanyHQ recorded Sep 28, 202651-200111 contacts →

Exact match

“TÜV Informationstechnik GmbH (headquartered in Essen, Germany) is a renowned IT security service provider and an independent testing institute and laboratory for IT security and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchUlm, GermanyHQ recorded Sep 28, 202651-20069 contacts →

Exact match

“ditis - The Security Company!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchTübingen, GermanyHQ recorded Sep 28, 202651-20069 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 · Sep 28, 2026 · View company records in RevenueBase
6Exact matchWolnzach, GermanyHQ recorded Sep 28, 202651-20037 contacts →

Exact match

“Ihr SOC-Partner im DACH-Mittelstand.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchKarlsruhe, GermanyHQ recorded Sep 28, 202611-5022 contacts →

Exact match

“Digitale Bedrohungen wachsen – und damit unsere Verantwortung.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchSteinau, GermanyHQ recorded Sep 28, 20261-1017 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 · Sep 28, 2026 · View company records in RevenueBase
9Exact matchDarmstadt, GermanyHQ recorded Sep 28, 202651-20016 contacts →

Exact match

“DIESEC, founded by Carl Dietzel in 2009, is dedicated to securing your most valuable asset - your data.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchMunich, GermanyHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“Book.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchBamberg, GermanyHQ recorded Sep 28, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchDüsseldorf, GermanyHQ recorded Sep 28, 20261-109 contacts →

Exact match

“Bei securance glauben wir daran, dass Sicherheit nicht entsteht, weil man mehr Tools kauft oder mehr Checklisten ausfüllt, sondern weil man versteht, was im eigenen Unternehmen…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchLeipzig, GermanyHQ recorded Sep 28, 202611-508 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchMaintal, GermanyHQ recorded Sep 28, 202611-507 contacts →

Exact match

“CyStrat Services GmbH was founded in 2022 with the clear vision of delivering first-class consulting services in the field of cybersecurity, built on a strong foundation of IT…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLübeck, GermanyHQ recorded Sep 28, 20261-107 contacts →

Exact match

“Wir unterstützen Unternehmen dabei, Security-Risiken frühzeitig zu verstehen, zu priorisieren und bewusst zu steuern.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchWetzlar, GermanyHQ recorded Sep 28, 20261-106 contacts →

Exact match

“Animus Blue unterstützt Sie zuverlässig in den Bereichen Cybersecurity und Compliance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchCologne, GermanyHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Wir unterstützen Unternehmen und Behörden bei der Identifizierung ihrer kritischen Geschäftsstrukturen, Prozesse und Systeme, ihren Schwachstellen bei Cyber-Attacken und…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchKassel, GermanyHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Specializing in offensive cybersecurity, we proactively protect modern enterprise and critical infrastructure from advanced digital threats.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchRegensburg, GermanyHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Stellen Sie sich vor, Sie erhalten plötzlich einen Anruf von Ihrer IT-Abteilung, dass das Unternehmen gehackt wurde und alle Dateien verschlüsselt oder gestohlen wurden.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchIngolstadt, GermanyHQ recorded Sep 28, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchBremen, GermanyHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Die ByteSnipers GmbH ist Ihr vertrauenswürdiger Partner für erstklassige IT-Sicherheit.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchReichertshausen, GermanyHQ recorded Sep 28, 20261-102 contacts →

Exact match

“We see ourselves as a specialized niche service provider for IT security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchBerlin, GermanyHQ recorded Sep 28, 202611-502 contacts →

Exact match

“Secure Sphere Labs: Your Shield in the Digital World Company Overview: At Secure Sphere Labs, we are dedicated to fortifying your digital presence with cutting-edge cybersecurity…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchUlm, GermanyHQ recorded Sep 28, 202611-502 contacts →

Exact match

“Informationssicherheit ist nicht nur ein Job.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBochum, GermanyHQ recorded Sep 28, 202611-502 contacts →

Exact match

“Hackmanit was founded 2014 to combine excellent research with responsible corporate practice.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 69 federal security assessment firms based in Germany

See the full list, filter by size, metro and specialty, and access 444 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Federal security assessment firms based in Germany at a glance

As of Sep 28, 2026
42.6%Verified-email coverage
15.1Average contacts per company
1-10Median size (employees)
10.1%Largest-city concentration · Berlin
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
16
51-200
7
501-1,000
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 69 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 “federal security assessment firms” 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 444 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 28, 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 “federal security assessment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal security assessment firms are there based in Germany?

RevenueBase identified 69 company matches for federal security assessment firms 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?

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 federal security assessment firms?

Berlin leads with 7 company records, followed by Bochum (4) 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 444 professional contacts with verified work emails tracked across these 69 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 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 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.