Company lists · Data refreshed September 2026

Top 25 Cloud cybersecurity companies based in Germany

RevenueBase identified 200 cloud cybersecurity companies headquartered in Germany as of September 2026 and tracks 4,683 professional contacts across them, including 1,691 with verified work emails. Berlin is the largest hub.

This list covers cloud cybersecurity companies headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
200Companies
4,683Contacts tracked
1,691Verified emails
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The 25 largest cloud cybersecurity companies based in Germany

Ranked by team size
Top 25 of 200 cloud cybersecurity companies based in Germany, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to cloud cybersecurity companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceEssen, GermanyHQ checked Sep 21, 20261,001-5,000623 contacts →

Indirect evidence

“secunet – We are the Guardians of Europe's Digital Freedom.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceHannover, GermanyHQ checked Sep 21, 2026501-1,000474 contacts →

Partial evidence

“Hornetsecurity is a leading global provider of next-generation cloud-based security, compliance, backup, and security awareness solutions that help companies and organizations of…”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceBochum, GermanyHQ checked Sep 21, 2026501-1,000386 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceBonn, GermanyHQ checked Sep 21, 20261,001-5,000363 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceHerford, GermanyHQ checked Sep 21, 2026201-500222 contacts →

Indirect evidence

“DTS Systeme steht als erfolgreicher IT-Dienstleister seit über 40 Jahren deutschland- und europaweit für Innovation, Kompetenz sowie Leidenschaft.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceWiesbaden, GermanyHQ checked Sep 21, 202651-200141 contacts →

Indirect evidence

“At comforte AG, we help our customers achieve the highest standards of data security and privacy.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceLüneburg, GermanyHQ checked Sep 21, 2026201-500113 contacts →

Indirect evidence

“Securepoint GmbH, from the Hanseatic city of Lüneburg, is the market leader in the development of professional “Unified Threat Management” solutions in Germany.”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceMunich, GermanyHQ checked Sep 21, 2026201-50096 contacts →

Partial evidence

“Rohde & Schwarz Cybersecurity is a leading IT security company that protects companies and public institutions around the world against cyberattacks.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceWuppertal, GermanyHQ checked Sep 21, 202651-20079 contacts →

Indirect evidence

“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceBerlin, GermanyHQ checked Sep 21, 202651-20073 contacts →

Indirect evidence

“SECUINFRA, expert and partner for cyber defense, has specialized in the detection, analysis and defense against cyber attacks since 2010.”

Source: RevenueBase Database · checked Sep 21, 2026
11Strong evidenceFrankfurt, GermanyHQ checked Sep 21, 202651-20069 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceUlm, GermanyHQ checked Sep 21, 202651-20069 contacts →

Indirect evidence

“ditis - The Security Company!”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceMunich, GermanyHQ checked Sep 21, 202651-20065 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceIngolstadt, GermanyHQ checked Sep 21, 202651-20062 contacts →

Partial evidence

“SecurityBridge is the leading provider of a comprehensive, SAP-native cybersecurity platform.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceDüsseldorf, GermanyHQ checked Sep 21, 202651-20054 contacts →

Partial evidence

“water is a cybersecurity company that provides holistic IT security solutions to keep your business safe.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceMuenchen, GermanyHQ checked Sep 21, 202651-20052 contacts →

Indirect evidence

“The digitized world requires uncompromising IT security to protect organizations, individuals, and services from cyber risks and data loss, ensuring safe digital environments for…”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceStuttgart, GermanyHQ checked Sep 21, 202651-20051 contacts →

Indirect evidence

“Medialine Security – 360° Cyber Security Expertise Innerhalb der Medialine Group sind wir das Competence Center für Cybersicherheit.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceMendig, GermanyHQ checked Sep 21, 202651-20049 contacts →

Indirect evidence

“ProSec GmbH verwandelt Unternehmen in digitale Festungen.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceNuremberg, GermanyHQ checked Sep 21, 202651-20045 contacts →

Indirect evidence

“ForeNova helps Small and Medium Enterprises leverage existing cyber security solutions to improve the detection of hidden security threats with greater speed and precision.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceMeppen, GermanyHQ checked Sep 21, 202651-20039 contacts →

Indirect evidence

“As IT security company we protect your electronical stored data against cyber attacks.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceNeu-Isenburg, GermanyHQ checked Sep 21, 202651-20034 contacts →

Indirect evidence

“Wir sind die Com-Sys!”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceFlensburg, GermanyHQ checked Sep 21, 202651-20033 contacts →

Indirect evidence

“Die DGC AG ist ein Unternehmen für All-in-One Cybersicherheitslösungen.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceBremen, GermanyHQ checked Sep 21, 202651-20026 contacts →

Indirect evidence

“Mehr Schutz vor Angriffen aus dem Cyberraum: Cyberkriminalität ist eine der größten Bedrohungen unserer Zeit.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceMartinsried, GermanyHQ checked Sep 21, 202651-20026 contacts →

Indirect evidence

“microCAT ist ein führender Full-Service-Provider für IT-Produkte und -Dienstleistungen mit einem klaren Fokus auf IT-Security.”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceLöhne, GermanyHQ checked Sep 21, 202651-20023 contacts →

Partial evidence

“digit solutions GmbH is a leading German company in the field of cybersecurity, founded in 1995.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 200 cloud cybersecurity companies based in Germany

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Cloud cybersecurity companies based in Germany at a glance

As of Sep 21, 2026
36.1%Verified-email coverage
23.4Average contacts per company
11-50Median size (employees)
12.0%Largest-city concentration · Berlin
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
96
11-50
65
51-200
23
201-500
6
501-1,000
5
1,001-5,000
4
5,001-10,000
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 200 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cloud cybersecurity companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “cloud cybersecurity companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cloud cybersecurity companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cloud cybersecurity companies, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,691 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cloud cybersecurity companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cloud cybersecurity companies are there based in Germany?

RevenueBase identified 200 cloud cybersecurity companies headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Secunet Security Networks AG, headquartered in Essen, tops this list with the largest team on record.

Which city has the most cloud cybersecurity companies?

Berlin leads with 24 headquartered companies, followed by Munchen (8) and Munich (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,691 verified decision-maker contacts tracked across these 200 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.