Company lists · Data verified August 2026

Top 25 Cybersecurity service providers based in Germany

Name: Cybersecurity service providers based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 818 companies tracked

There are 818 cybersecurity service providers headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 10,351 professional contacts across them, including 3,865 with verified work emails and 226 with mobile numbers. Berlin is the largest hub.

This list covers cybersecurity service providers headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

818Companies

10,351Contacts tracked

3,865Verified emails

226Mobile numbers

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The 25 largest cybersecurity service providers based in Germany

Ranked by team size

Top 25 of 818 cybersecurity service providers based in Germany, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	MTI	Munchen	201-500	762	75
2	Secunet Security Networks AG	Essen	1,001-5,000	620	59
3	Hornetsecurity	Darmstadt	501-1,000	474	335
4	G Data Cyberdefense	Bochum	501-1,000	389	154
5	Telekom Security	Bonn	1,001-5,000	360	183
6	A&o IT Group	St. Ingbert	201-500	250	110
7	Infinigate Deutschland	Haar	201-500	241	143
8	DTS Systeme Gmbh	Koln	201-500	227	133
9	Is4it Gmbh	Oberhaching	201-500	175	104
10	STOÏK	Munich	51-200	141	94
11	USD AG	Neu-Isenburg	51-200	131	92
12	Securepoint Gmbh	Potsdam	201-500	111	2
13	TÜV Informationstechnik Gmbh	Essen	51-200	110	60
14	SEC Consult Group	Bochum	201-500	98	36
15	Exclusive Networks Deutschland Gmbh	Munster	51-200	85	45
16	R-Tec IT Security Gmbh	Wuppertal	51-200	83	47
17	8com Gmbh & Co. KG	Neustadt An Der Weinstrasse	51-200	78	46
18	Myra Security Gmbh	Munchen	51-200	74	40
19	Secuinfra Gmbh	Berlin	51-200	71	44
20	Indevis Gmbh	Munich	51-200	70	36
21	Syss Gmbh	Frankfurt	51-200	70	6
22	SRC Security Research And Consulting Gmbh	Bonn	51-200	69	43
23	Ditis Systeme	Heidenheim An Der Brenz	51-200	68	37
24	Techbros	Dusseldorf	501-1,000	68	15
25	Enginsight Gmbh	Jena	51-200	65	43

Showing 25 of 818 cybersecurity service providers based in Germany

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Cybersecurity service providers based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 72 HQs

226Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

459

11-50

264

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity service providers by metro

Metro	Companies
Cybersecurity service providers in Berlin	72
Cybersecurity service providers in Munich	35
Cybersecurity service providers in Hamburg	29
Cybersecurity service providers in Koln	25
Cybersecurity service providers in Munchen	25
Cybersecurity service providers in Frankfurt	16
Cybersecurity service providers in Dusseldorf	15

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity service providers”, with match quality audited by blind human judging, and headquartered in Germany.
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: Contact records re-verify on a rolling cadence; 7 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity service providers are there based in Germany?

There are 818 cybersecurity service providers headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

MTI, headquartered in Munchen, tops this list with the largest team on record.

Which city has the most cybersecurity service providers?

Berlin leads with 72 headquartered companies, followed by Munich (35) and Hamburg (29).

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 3,865 verified decision-maker contacts tracked across these 818 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.