Company lists · Data verified August 2026

Top 25 Cybersecurity consultancy companies based in Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 929 companies tracked

There are 929 cybersecurity consultancy companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 9,298 professional contacts across them, including 3,140 with verified work emails and 195 with mobile numbers. Berlin is the largest hub.

This list covers cybersecurity consultancy 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.

929Companies

9,298Contacts tracked

3,140Verified emails

195Mobile numbers

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The 25 largest cybersecurity consultancy companies based in Germany

Ranked by team size

Top 25 of 929 cybersecurity consultancy 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	TÜV Informationstechnik Gmbh	Essen	51-200	110	60
8	SEC Consult Group	Bochum	201-500	98	36
9	Exclusive Networks Deutschland Gmbh	Munster	51-200	85	45
10	R-Tec IT Security Gmbh	Wuppertal	51-200	83	47
11	Neam It-Services Gmbh	Paderborn	51-200	79	53
12	8com Gmbh & Co. KG	Neustadt An Der Weinstrasse	51-200	78	46
13	Secuinfra Gmbh	Berlin	51-200	71	44
14	Intersoft Consulting Services AG	Koln	51-200	70	45
15	Indevis Gmbh	Munich	51-200	70	36
16	Syss Gmbh	Frankfurt	51-200	70	6
17	SRC Security Research And Consulting Gmbh	Bonn	51-200	69	43
18	Ditis Systeme	Heidenheim An Der Brenz	51-200	68	37
19	Knodtec Solutions Private Limited	Cologne	51-200	64	21
20	Mispa Technologies Gmbh	Langenfeld Rheinland	51-200	63	23
21	Trusteq Gmbh	Munchen	51-200	59	30
22	Water IT Security & Defense	Dusseldorf	51-200	55	20
23	Proxcel	Berlin	51-200	52	31
24	Blaze Information Security	Berlin	51-200	51	30
25	Concentrade Gmbh	Koln	51-200	51	30

Showing 25 of 929 cybersecurity consultancy companies based in Germany

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Cybersecurity consultancy companies based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 90 HQs

195Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

567

11-50

280

51-200

201-500

501-1,000

1,001-5,000

Cybersecurity consultancy companies by metro

Metro	Companies
Cybersecurity consultancy companies in Berlin	90
Cybersecurity consultancy companies in Munich	37
Cybersecurity consultancy companies in Munchen	33
Cybersecurity consultancy companies in Hamburg	31
Cybersecurity consultancy companies in Koln	26
Cybersecurity consultancy companies in Frankfurt	20
Cybersecurity consultancy companies in Dusseldorf	19

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 consultancy 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; 8 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 consultancy companies are there based in Germany?

There are 929 cybersecurity consultancy 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 consultancy companies?

Berlin leads with 90 headquartered companies, followed by Munich (37) and Munchen (33).

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 3,140 verified decision-maker contacts tracked across these 929 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.