Company lists · Data refreshed September 2026

Top 25 Nonprofit cybersecurity service providers based in Germany

RevenueBase identified 323 company matches for nonprofit cybersecurity service providers associated with Germany as of September 2026 and tracks 2,380 professional contacts across them, including 1,028 with verified work emails. Berlin is the largest hub.

This list covers company matches for nonprofit cybersecurity service providers 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 29, 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 29, 2026 How this list was built
323Companies
2,380Contacts tracked
1,028Verified emails
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The 25 largest nonprofit cybersecurity service providers based in Germany

Ranked by team size
Top 25 of 323 company matches for nonprofit cybersecurity service providers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 29, 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 29, 2026 · View company records in RevenueBase
2Exact matchEssen, GermanyHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3Exact matchNeustadt An Der Weinstrasse, GermanyHQ recorded Sep 29, 202651-20077 contacts →

Exact match

“8COM is a leading Managed Security Service Provider (MSSP).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchHamburg, GermanyHQ recorded Sep 29, 202651-20071 contacts →

Exact match

“intersoft consulting ist ein spezialisiertes Beratungsunternehmen in den Bereichen Datenschutz, IT-Sicherheit und IT-Forensik.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchUlm, GermanyHQ recorded Sep 29, 202651-20069 contacts →

Exact match

“ditis - The Security Company!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchTübingen, GermanyHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
7Exact matchMunich, GermanyHQ recorded Sep 29, 202651-20065 contacts →

Exact match

“indevis GmbH tritt seit März 2026 unter der neuen Marke Argos Security GmbH auf.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchBerlin, GermanyHQ recorded Sep 29, 202651-20055 contacts →

Exact match

“Security Research Labs (SRLabs) is a cybersecurity consultancy and research collective committed to making the world more secure.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchMendig, GermanyHQ recorded Sep 29, 202651-20049 contacts →

Exact match

“ProSec GmbH verwandelt Unternehmen in digitale Festungen.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchGarching, GermanyHQ recorded Sep 29, 202651-20046 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 · Sep 29, 2026 · View company records in RevenueBase
11Exact matchHamburg, GermanyHQ recorded Sep 29, 202651-20040 contacts →

Exact match

“BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchWolnzach, GermanyHQ recorded Sep 29, 202651-20037 contacts →

Exact match

“Ihr SOC-Partner im DACH-Mittelstand.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchNeu-Isenburg, GermanyHQ recorded Sep 29, 202651-20034 contacts →

Exact match

“Wir sind die Com-Sys!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchHeidelberg, GermanyHQ recorded Sep 29, 202611-5032 contacts →

Exact match

“ERNW ist ein unabhängiger IT-Security Dienstleister mit Sitz in Heidelberg.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchGelsenkirchen, GermanyHQ recorded Sep 29, 202611-5024 contacts →

Exact match

“The Institute for Internet Security - if(is) is an innovative, independent, scientific facility of the Westfälische Hochschule ("Westphalian University of Applied Sciences").”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchKarlsruhe, GermanyHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Digitale Bedrohungen wachsen – und damit unsere Verantwortung.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchHutthurm, GermanyHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“More than 20 years of experience have teached us the importance of data protection and IT security in companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchHanover, GermanyHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Althammer & Kill – Ihr Partner für Datenschutz, Informationssicherheit, Compliance und Künstliche Intelligenz (KI).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchBerlin, GermanyHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“Least Authority is committed to building and supporting the development of usable technology solutions and ethical business practices to advance digital security and preserve…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchCottbus, GermanyHQ recorded Sep 29, 202651-20020 contacts →

Exact match

“1991 wurde mit der Wieder- Gründung der Stadtwerke Cottbus GmbH ein modernes Versorgungsunternehmen gegründet.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchHerford, GermanyHQ recorded Sep 29, 202611-5019 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchCologne, GermanyHQ recorded Sep 29, 202611-5017 contacts →

Exact match

“Cybersecurity – zielsicher, ganzheitlich, auf Augenhöhe.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchBremen, GermanyHQ recorded Sep 29, 202611-5017 contacts →

Exact match

“FIRST PRIVACY is member of the DSN GROUP – a leading provider of services for the management and assessment of corporate data protection.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchVaterstetten, GermanyHQ recorded Sep 29, 202611-5016 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchDarmstadt, GermanyHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase

Showing 25 of 323 nonprofit cybersecurity service providers based in Germany

See the full list, filter by size, metro and specialty, and access 1,028 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit cybersecurity service providers based in Germany at a glance

As of Sep 29, 2026
43.2%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
9.9%Largest-city concentration · Berlin
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
210
11-50
89
51-200
17
201-500
3
501-1,000
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 323 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 “nonprofit cybersecurity service providers” 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 1,028 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 29, 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.

Nonprofit cybersecurity service providers 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 “nonprofit cybersecurity service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit cybersecurity service providers are there based in Germany?

RevenueBase identified 323 company matches for nonprofit cybersecurity service providers 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 nonprofit cybersecurity service providers?

Berlin leads with 32 company records, followed by Munich (21) and Hamburg (14).

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 1,028 professional contacts with verified work emails tracked across these 323 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 29, 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.