Company lists · Data verified August 2026

Top 25 Cybersecurity investigation companies based in Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 319 companies tracked

There are 319 cybersecurity investigation companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 4,286 professional contacts across them, including 1,410 with verified work emails and 51 with mobile numbers. Berlin is the largest hub.

This list covers cybersecurity investigation 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.

319Companies

4,286Contacts tracked

1,410Verified emails

51Mobile numbers

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The 25 largest cybersecurity investigation companies based in Germany

Ranked by team size

Top 25 of 319 cybersecurity investigation 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	Secunet Security Networks AG	Essen	1,001-5,000	620	59
2	G Data Cyberdefense	Bochum	501-1,000	389	154
3	Telekom Security	Bonn	1,001-5,000	360	183
4	USD AG	Neu-Isenburg	51-200	131	92
5	TÜV Informationstechnik Gmbh	Essen	51-200	110	60
6	SEC Consult Group	Bochum	201-500	98	36
7	R-Tec IT Security Gmbh	Wuppertal	51-200	83	47
8	Secuinfra Gmbh	Berlin	51-200	71	44
9	Indevis Gmbh	Munich	51-200	70	36
10	Syss Gmbh	Frankfurt	51-200	70	6
11	Ditis Systeme	Heidenheim An Der Brenz	51-200	68	37
12	Water IT Security & Defense	Dusseldorf	51-200	55	20
13	Blaze Information Security	Berlin	51-200	51	30
14	Concentrade Gmbh	Koln	51-200	51	30
15	Prosec Gmbh	Munchen	51-200	49	29
16	Hvs-Consulting	Garching	51-200	46	27
17	Forenova Technologies Gmbh	Nuremberg	51-200	45	13
18	Consecur Gmbh	Bochum	51-200	38	23
19	BDO Cyber Security Gmbh	Dusseldorf	51-200	38	19
20	Communication Systems Gmbh	Neu-Isenburg	51-200	36	21
21	Code White Gmbh	Ulm	51-200	24	16
22	Digifors Gmbh	Leipzig	51-200	22	15
23	Smart Cyber Security Gmbh	Augsburg	11-50	22	12
24	Aware7 Gmbh	Gelsenkirchen	11-50	22	6
25	Link Protect Gmbh	Furth	51-200	21	17

Showing 25 of 319 cybersecurity investigation companies based in Germany

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Cybersecurity investigation companies based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 37 HQs

51Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

185

11-50

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity investigation companies by metro

Metro	Companies
Cybersecurity investigation companies in Berlin	37
Cybersecurity investigation companies in Munich	20
Cybersecurity investigation companies in Koln	11
Cybersecurity investigation companies in Frankfurt	10
Cybersecurity investigation companies in Hamburg	10
Cybersecurity investigation companies in Dusseldorf	8
Cybersecurity investigation companies in Bochum	8

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 investigation 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; 4 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 investigation companies are there based in Germany?

There are 319 cybersecurity investigation companies headquartered in Germany as of August 2026 (RevenueBase).

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 cybersecurity investigation companies?

Berlin leads with 37 headquartered companies, followed by Munich (20) and Koln (11).

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 1,410 verified decision-maker contacts tracked across these 319 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.