Company lists · Data verified August 2026

Top 25 Cybersecurity support companies based in Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 602 companies tracked

There are 602 cybersecurity support companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 7,270 professional contacts across them, including 2,326 with verified work emails and 172 with mobile numbers. Berlin is the largest hub.

This list covers cybersecurity support companies 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.

602Companies

7,270Contacts tracked

2,326Verified emails

172Mobile numbers

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The 25 largest cybersecurity support companies based in Germany

Ranked by team size

Top 25 of 602 cybersecurity support companies 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	G Data Cyberdefense	Bochum	501-1,000	389	154
4	Telekom Security	Bonn	1,001-5,000	360	183
5	STOÏK	Munich	51-200	141	94
6	USD AG	Neu-Isenburg	51-200	131	92
7	SEC Consult Group	Bochum	201-500	98	36
8	Exclusive Networks Deutschland Gmbh	Munster	51-200	85	45
9	R-Tec IT Security Gmbh	Wuppertal	51-200	83	47
10	8com Gmbh & Co. KG	Neustadt An Der Weinstrasse	51-200	78	46
11	Secuinfra Gmbh	Berlin	51-200	71	44
12	Indevis Gmbh	Munich	51-200	70	36
13	Syss Gmbh	Frankfurt	51-200	70	6
14	Ditis Systeme	Heidenheim An Der Brenz	51-200	68	37
15	Enginsight Gmbh	Jena	51-200	65	43
16	Knodtec Solutions Private Limited	Cologne	51-200	64	21
17	Mispa Technologies Gmbh	Langenfeld Rheinland	51-200	63	23
18	Water IT Security & Defense	Dusseldorf	51-200	55	20
19	Blaze Information Security	Berlin	51-200	51	30
20	Concentrade Gmbh	Koln	51-200	51	30
21	Medialine Security	Stuttgart	51-200	51	19
22	Prosec Gmbh	Munchen	51-200	49	29
23	Hvs-Consulting	Garching	51-200	46	27
24	Forenova Technologies Gmbh	Nuremberg	51-200	45	13
25	Consecur Gmbh	Bochum	51-200	38	23

Showing 25 of 602 cybersecurity support companies based in Germany

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Cybersecurity support companies based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 55 HQs

172Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

345

11-50

187

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity support companies by metro

Metro	Companies
Cybersecurity support companies in Berlin	55
Cybersecurity support companies in Munich	28
Cybersecurity support companies in Hamburg	21
Cybersecurity support companies in Koln	18
Cybersecurity support companies in Munchen	14
Cybersecurity support companies in Frankfurt	13
Cybersecurity support companies in Stuttgart	13

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 support companies”, 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 support companies are there based in Germany?

There are 602 cybersecurity support companies 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 support companies?

Berlin leads with 55 headquartered companies, followed by Munich (28) and Hamburg (21).

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 2,326 verified decision-maker contacts tracked across these 602 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.