Company lists · Data verified August 2026

Top 25 Cyber-physical security companies based in Germany

Name: Cyber-physical 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 543 companies tracked

There are 543 cyber-physical security companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 5,695 professional contacts across them, including 1,510 with verified work emails and 96 with mobile numbers. Berlin is the largest hub.

This list covers cyber-physical 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.

543Companies

5,695Contacts tracked

1,510Verified emails

96Mobile numbers

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The 25 largest cyber-physical security companies based in Germany

Ranked by team size

Top 25 of 543 cyber-physical 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	Securitas Germany	Leverkusen	10001+	997	286
2	Workrate	Bad Homburg Frankfurt	1,001-5,000	429	118
3	G Data Cyberdefense	Bochum	501-1,000	389	154
4	Dormakaba Germany	Ennepetal	10001+	322	167
5	Kötter Security	Magdeburg	201-500	178	19
6	Rohde & Schwarz Cybersecurity	Munchen	201-500	98	40
7	E-Shelter Security	Munchen	201-500	82	46
8	Water IT Security & Defense	Dusseldorf	51-200	55	20
9	Nürnberger Wach- UND Schließgesellschaft MBH	Berlin	1,001-5,000	53	16
10	Prosec Gmbh	Munchen	51-200	49	29
11	Planprotect AG	Dessau	51-200	44	27
12	B.I.N.S.S. Datennetze UND Gefahrenmeldesysteme Gmbh	Berlin	51-200	40	21
13	Ciborius Gruppe	Mannheim	1,001-5,000	40	6
14	GU BKS Service Gmbh	Velbert	51-200	38	14
15	TAS Sicherheits- UND Kommunikationstechnik	Barsbuttel	201-500	35	23
16	Detertech DE	Haan	51-200	28	2
17	ASK Sicherheitsdienste	Munich	1,001-5,000	25	9
18	Gleich Gmbh Sicherheits- & Medientechnik	Aschaffenburg	51-200	24	13
19	Alinotec Gmbh & Co. KG	Pfungstadt	51-200	24	11
20	Kentix Gmbh	Idar-Oberstein	51-200	23	1
21	Kühn Sicherheit Gmbh	Braunschweig	51-200	19	8
22	Garandus Sicherheitsdienste	Dortmund	501-1,000	17	4
23	Sitec Gmbh	Weissenbrunn	51-200	16	7
24	Deltron	Reisiek	51-200	16	7
25	GST Gesellschaft FÜR Sicherheitstechnik MBH	Mulheim An Der Ruhr	51-200	16	7

Showing 25 of 543 cyber-physical security companies based in Germany

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Cyber-physical security companies based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 33 HQs

96Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

238

11-50

157

51-200

201-500

501-1,000

1,001-5,000

10001+

Cyber-physical security companies by metro

Metro	Companies
Cyber-physical security companies in Berlin	33
Cyber-physical security companies in Munchen	12
Cyber-physical security companies in Hamburg	11
Cyber-physical security companies in Leipzig	10
Cyber-physical security companies in Dusseldorf	9
Cyber-physical security companies in Koln	8
Cyber-physical security companies in Frankfurt	7

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 “cyber-physical 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 cyber-physical security companies are there based in Germany?

There are 543 cyber-physical security companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Securitas Germany, headquartered in Leverkusen, tops this list with the largest team on record.

Which city has the most cyber-physical security companies?

Berlin leads with 33 headquartered companies, followed by Munchen (12) and Hamburg (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 1,510 verified decision-maker contacts tracked across these 543 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.