Company lists · Data verified August 2026

Top 11 Cybersecurity incident response firms based in Denmark

Name: Cybersecurity incident response firms based in Denmark
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 31 companies tracked

There are 31 cybersecurity incident response firms headquartered in Denmark (RevenueBase, August 2026). RevenueBase tracks 348 professional contacts across them, including 130 with verified work emails and 17 with mobile numbers. Copenhagen is the largest hub.

This list covers cybersecurity incident response firms 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.

31Companies

348Contacts tracked

130Verified emails

17Mobile numbers

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The 11 largest cybersecurity incident response firms based in Denmark

Ranked by team size

Top 11 of 31 cybersecurity incident response firms 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	Defensive Group	Solrod Strand Zealand	11-50	20	2
3	Prueba Cybersecurity	Esbjerg Of Southern	11-50	19	1
4	Ceta Cyber Defence	Vaerlose	11-50	11	3
5	LCG	Naestved Zealand	11-50	9	1
6	Cyber Partners	Aarhus Central	1-10	7	4
7	Banshie	n/a	11-50	6	3
8	Opiniosec	Hellerup	1-10	5	2
9	Riskkey	Copenhagen	1-10	3	1
10	Nil815	n/a	1-10	2	2
11	Solutionlab	Hellerup	1-10	1	1

Showing 11 of 31 cybersecurity incident response firms based in Denmark

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Cybersecurity incident response firms based in Denmark at a glance

As of Aug 28, 2026

1-10Median size (employees)

CopenhagenLargest hub · 5 HQs

17Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

201-500

501-1,000

1,001-5,000

Cybersecurity incident response firms by metro

Metro	Companies
Cybersecurity incident response firms in Copenhagen	5
Cybersecurity incident response firms in Aarhus Central	2
Cybersecurity incident response firms in Hellerup	2
Cybersecurity incident response firms in Aalborg	1
Cybersecurity incident response firms in Solrod Strand	1
Cybersecurity incident response firms in Vaerlose	1
Cybersecurity incident response firms in Kastrup	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 incident response firms”, 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 incident response firms are there based in Denmark?

There are 31 cybersecurity incident response firms 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 incident response firms?

Copenhagen leads with 5 headquartered companies, followed by Aarhus Central (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 130 verified decision-maker contacts tracked across these 31 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.