Company lists · Data verified August 2026

Top 18 Cybersecurity defense contractors based in Denmark

Name: Cybersecurity defense contractors based in Denmark
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 51 companies tracked

There are 51 cybersecurity defense contractors headquartered in Denmark (RevenueBase, August 2026). RevenueBase tracks 688 professional contacts across them, including 163 with verified work emails and 31 with mobile numbers. Copenhagen is the largest hub.

This list covers cybersecurity defense contractors headquartered in Denmark, 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.

51Companies

688Contacts tracked

163Verified emails

31Mobile numbers

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The 18 largest cybersecurity defense contractors based in Denmark

Ranked by team size

Top 18 of 51 cybersecurity defense contractors based in Denmark, 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	Reversec	n/a	201-500	173	110
2	Heimdal	Kobenhavn V Copenhagen	51-200	150	1
3	Kopenhagen Konsulting	n/a	51-200	68	2
4	Safesqr	Copenhagen	11-50	22	17
5	Defensive Group	Solrod Strand Zealand	11-50	20	2
6	Prueba Cybersecurity	Esbjerg Of Southern	11-50	19	1
7	2c Networks	Viby J	11-50	17	6
8	Zafehouze LTD	Jyllinge	11-50	15	1
9	Ceta Cyber Defence	Vaerlose	11-50	11	3
10	LCG	Naestved Zealand	11-50	9	1
11	Cybernordic	Copenhagen Capital Of Denmark	1-10	8	5
12	Cyber Partners	Aarhus Central	1-10	7	4
13	Banshie	n/a	11-50	6	3
14	Opiniosec	Hellerup	1-10	5	2
15	Nil815	n/a	1-10	2	2
16	Solutionlab	Hellerup	1-10	1	1
17	Sndnss APS	Hedehusene	1-10	1	1
18	Peventio Cybersecurity	Kobenhavn V	1-10	1	1

Showing 18 of 51 cybersecurity defense contractors based in Denmark

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Cybersecurity defense contractors based in Denmark at a glance

As of Aug 28, 2026

1-10Median size (employees)

CopenhagenLargest hub · 7 HQs

31Contacts with mobile numbers

0Emails 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

Cybersecurity defense contractors by metro

Metro	Companies
Cybersecurity defense contractors in Copenhagen	7
Cybersecurity defense contractors in Copenhagen Capital Of Denmark	2
Cybersecurity defense contractors in Hellerup	2
Cybersecurity defense contractors in Albertslund	1
Cybersecurity defense contractors in Kongens Lyngby	1
Cybersecurity defense contractors in Vaerlose	1
Cybersecurity defense contractors in Virum	1

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 defense contractors”, with match quality audited by blind human judging, and headquartered in Denmark.
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; 0 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 defense contractors are there based in Denmark?

There are 51 cybersecurity defense contractors headquartered in Denmark as of August 2026 (RevenueBase).

What is the largest company on this list?

Reversec, headquartered in Denmark, tops this list with the largest team on record.

Which city has the most cybersecurity defense contractors?

Copenhagen leads with 7 headquartered companies, followed by Copenhagen Capital Of Denmark (2) and Hellerup (2).

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 163 verified decision-maker contacts tracked across these 51 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.