Company lists · Data verified August 2026

Top 25 Cybersecurity risk consulting firms based in Germany

Name: Cybersecurity risk consulting firms based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 803 companies tracked

There are 803 cybersecurity risk consulting firms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 7,258 professional contacts across them, including 2,791 with verified work emails and 90 with mobile numbers. Berlin is the largest hub.

This list covers cybersecurity risk consulting firms 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.

803Companies

7,258Contacts tracked

2,791Verified emails

90Mobile numbers

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The 25 largest cybersecurity risk consulting firms based in Germany

Ranked by team size

Top 25 of 803 cybersecurity risk consulting firms 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	Hisolutions AG	Nurnberg	201-500	270	165
5	STOÏK	Munich	51-200	141	94
6	USD AG	Neu-Isenburg	51-200	131	92
7	TÜV Informationstechnik Gmbh	Essen	51-200	110	60
8	SEC Consult Group	Bochum	201-500	98	36
9	R-Tec IT Security Gmbh	Wuppertal	51-200	83	47
10	Secuinfra Gmbh	Berlin	51-200	71	44
11	Intersoft Consulting Services AG	Koln	51-200	70	45
12	Indevis Gmbh	Munich	51-200	70	36
13	Syss Gmbh	Frankfurt	51-200	70	6
14	SRC Security Research And Consulting Gmbh	Bonn	51-200	69	43
15	Ditis Systeme	Heidenheim An Der Brenz	51-200	68	37
16	Advisori FTC Gmbh	Frankfurt Am Main	51-200	61	33
17	Trusteq Gmbh	Munchen	51-200	59	30
18	Water IT Security & Defense	Dusseldorf	51-200	55	20
19	Proxcel	Berlin	51-200	52	31
20	Blaze Information Security	Berlin	51-200	51	30
21	Concentrade Gmbh	Koln	51-200	51	30
22	Medialine Security	Stuttgart	51-200	51	19
23	Prosec Gmbh	Munchen	51-200	49	29
24	Cogitanda Deutschland	Koln	51-200	49	24
25	Hvs-Consulting	Garching	51-200	46	27

Showing 25 of 803 cybersecurity risk consulting firms based in Germany

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Cybersecurity risk consulting firms based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 77 HQs

90Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

496

11-50

238

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity risk consulting firms by metro

Metro	Companies
Cybersecurity risk consulting firms in Berlin	77
Cybersecurity risk consulting firms in Munich	33
Cybersecurity risk consulting firms in Hamburg	29
Cybersecurity risk consulting firms in Munchen	28
Cybersecurity risk consulting firms in Koln	23
Cybersecurity risk consulting firms in Frankfurt	22
Cybersecurity risk consulting firms in Dusseldorf	20

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 risk consulting firms”, 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; 5 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 risk consulting firms are there based in Germany?

There are 803 cybersecurity risk consulting firms 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 risk consulting firms?

Berlin leads with 77 headquartered companies, followed by Munich (33) 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 2,791 verified decision-maker contacts tracked across these 803 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.