Company lists · Data verified August 2026

Top 25 Data security consulting firms based in Denmark

Name: Data security consulting firms based in Denmark
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 80 companies tracked

There are 80 data security consulting firms headquartered in Denmark (RevenueBase, August 2026). RevenueBase tracks 588 professional contacts across them, including 171 with verified work emails and 33 with mobile numbers. Copenhagen is the largest hub.

This list covers data security consulting 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.

80Companies

588Contacts tracked

171Verified emails

33Mobile numbers

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The 25 largest data security consulting firms based in Denmark

Ranked by team size

Top 25 of 80 data security consulting 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	Kopenhagen Konsulting	n/a	51-200	68	2
3	Mindcore	Kongens Lyngby	11-50	42	12
4	Unitas	Aarhus	11-50	21	1
5	Defensive Group	Solrod Strand Zealand	11-50	20	2
6	Aimit A S	Birkerod	11-50	12	3
7	Sikring Nord A S	Saeby	1-10	12	1
8	Ceta Cyber Defence	Vaerlose	11-50	11	3
9	Consensus IT A S	Kobenhavn	1-10	9	5
10	LCG	Naestved Zealand	11-50	9	1
11	Sjeni APS	Kolding	11-50	8	4
12	Trust IT Management Consulting	Copenhagen	11-50	8	2
13	Cyber Security Innovation	Vaerlose	1-10	6	4
14	Banshie	n/a	11-50	6	3
15	Leave A Mark Consulting Group APS	Copenhagen	1-10	6	1
16	Cloudworks Danmark	Vallensbaek	11-50	4	3
17	Teamit APS	Kolding	11-50	4	1
18	Nil815	n/a	1-10	2	2
19	IT Experterne	Morud South	1-10	2	1
20	Itsikkerhedsgruppen	Jyllinge	1-10	1	1
21	Qualsec	Horsens	1-10	1	1
22	Glavind IT	Aalborg	1-10	1	1
23	People & Assets - Advisory	Copenhagen	1-10	1	1
24	EM Sikring APS	Nyborg	1-10	1	1
25	Solutionlab	Hellerup	1-10	1	1

Showing 25 of 80 data security consulting firms based in Denmark

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Data security consulting firms based in Denmark at a glance

As of Aug 28, 2026

1-10Median size (employees)

CopenhagenLargest hub · 5 HQs

33Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Data security consulting firms by metro

Metro	Companies
Data security consulting firms in Copenhagen	5
Data security consulting firms in Kobenhavn	3
Data security consulting firms in Kobenhavn K	3
Data security consulting firms in Kolding	3
Data security consulting firms in Herlev	2
Data security consulting firms in Solrod Strand	2
Data security consulting firms in Vaerlose	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 “data security consulting 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 data security consulting firms are there based in Denmark?

There are 80 data security consulting 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 data security consulting firms?

Copenhagen leads with 5 headquartered companies, followed by Kobenhavn (3) and Kobenhavn K (3).

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 171 verified decision-maker contacts tracked across these 80 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.