Company lists · Data verified August 2026

Top 25 Data security consulting firms based in Finland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 61 companies tracked

There are 61 data security consulting firms headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 469 professional contacts across them, including 278 with verified work emails and 23 with mobile numbers. Helsinki is the largest hub.

This list covers data security consulting firms headquartered in Finland, 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.

61Companies

469Contacts tracked

278Verified emails

23Mobile numbers

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The 25 largest data security consulting firms based in Finland

Ranked by team size

Top 25 of 61 data security consulting firms based in Finland, 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	Nixu Corporation	Espoo	501-1,000	129	70
2	NETOX	Oulu	51-200	119	93
3	2ns Cybersecurity OY	Espoo	11-50	43	29
4	Fraktal	Helsinki	11-50	17	12
5	Opsec OY	Seinajoki Seinajoki	11-50	15	12
6	Seclion OY	Vantaa	11-50	11	8
7	Jmjping OY	Loimaa	1-10	8	6
8	Mint Security OY	Espoo	1-10	7	4
9	Prosecom OY	Kuopio	1-10	7	4
10	Tietoturvatoimisto Monti	Espoo	1-10	6	6
11	NS Advance	Espoo	51-200	6	1
12	Startecon OY	Kerava	1-10	5	4
13	Braveson	Jyvaskyla	1-10	5	4
14	Fordione OY	Helsinki	1-10	4	3
15	Adminize OY	Helsinki	1-10	4	1
16	Dynsec OY	Joensuu	1-10	3	3
17	Cyber Security Finland	Helsinki	11-50	3	1
18	Käpy A.I. OY	Kuopio	1-10	3	1
19	Cyber Audit Company OY	Vantaa	11-50	2	2
20	Myelin LLC	Helsinki	1-10	2	2
21	Tougher ONE	Tampere	1-10	2	2
22	45 Cyber Labs	Espoo	1-10	2	1
23	Unlimited Consulting OY	Helsinki	1-10	2	1
24	Admincon OY	Helsinki	1-10	1	1
25	Kasin Consulting OY	Helsinki	1-10	1	1

Showing 25 of 61 data security consulting firms based in Finland

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Data security consulting firms based in Finland at a glance

As of Aug 28, 2026

1-10Median size (employees)

HelsinkiLargest hub · 18 HQs

23Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Data security consulting firms by metro

Metro	Companies
Data security consulting firms in Helsinki	18
Data security consulting firms in Espoo	11
Data security consulting firms in Vantaa	4
Data security consulting firms in Tampere	3
Data security consulting firms in Kuopio	3
Data security consulting firms in Oulu	2
Data security consulting firms in Loimaa	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 Finland.
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 Finland?

There are 61 data security consulting firms headquartered in Finland as of August 2026 (RevenueBase).

What is the largest company on this list?

Nixu Corporation, headquartered in Espoo, tops this list with the largest team on record.

Which city has the most data security consulting firms?

Helsinki leads with 18 headquartered companies, followed by Espoo (11) and Vantaa (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 278 verified decision-maker contacts tracked across these 61 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.