Company lists · Data verified August 2026

Top 25 Application security companies based in Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 71 companies tracked

There are 71 application security companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 881 professional contacts across them, including 381 with verified work emails and 17 with mobile numbers. Berlin is the largest hub.

This list covers application security 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.

71Companies

881Contacts tracked

381Verified emails

17Mobile numbers

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The 25 largest application security companies based in Germany

Ranked by team size

Top 25 of 71 application security 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	G Data Cyberdefense	Bochum	501-1,000	389	154
2	USD AG	Neu-Isenburg	51-200	131	92
3	Blaze Information Security	Berlin	51-200	51	30
4	Prosec Gmbh	Munchen	51-200	49	29
5	MGM Security Partners Gmbh	Cologne	11-50	28	12
6	Sedevo IT Consulting Gmbh	Bergisch Gladbach	11-50	21	8
7	Cure53	Berlin	11-50	18	9
8	L3montree Cybersecurity Gmbh	Bonn	11-50	13	1
9	AIS Advanced It-Security Solutions Gmbh	St. Ingbert	11-50	11	8
10	Defenderbox	Kreuztal	1-10	9	6
11	X41 D-Sec Gmbh	Aachen	1-10	7	5
12	Queryella Gmbh	Wetter Hessen	1-10	6	2
13	Recurity Labs Gmbh	Berlin	11-50	5	3
14	Appvisory	Hannover	11-50	5	3
15	Scandog	Berlin	1-10	4	1
16	Greenbone AG	Osnabrueck	51-200	3	2
17	Neon Information Security Gmbh	Munich	1-10	3	2
18	Lednerb It-Security Gmbh	Flensburg	1-10	3	2
19	SQUR	n/a	1-10	3	2
20	Jester Secure IT Gmbh	Bergisch Gladbach	11-50	3	1
21	Bytesnipers Gmbh	Bremen	1-10	3	1
22	Hackmanit	Bochum	11-50	2	1
23	ALB Cyber Guards	Albstadt	1-10	2	1
24	Tofu Security Solutions	Berlin	1-10	2	1
25	Atlas Intelligence Gmbh	Bad Nauheim	1-10	2	1

Showing 25 of 71 application security companies based in Germany

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Application security companies based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 15 HQs

17Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Application security companies by metro

Metro	Companies
Application security companies in Berlin	15
Application security companies in Bochum	5
Application security companies in Munich	4
Application security companies in Wiesbaden	3
Application security companies in Bonn	2
Application security companies in Heidelberg	2
Application security companies in Hannover	2
Application security companies in Munchen	2

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 “application security 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; 3 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 application security companies are there based in Germany?

There are 71 application security companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

G Data Cyberdefense, headquartered in Bochum, tops this list with the largest team on record.

Which city has the most application security companies?

Berlin leads with 15 headquartered companies, followed by Bochum (5) and Munich (4).

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 381 verified decision-maker contacts tracked across these 71 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.