Company lists · Data verified August 2026

Top 18 Audit services companies based in Finland

Name: Audit services companies based in Finland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

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

There are 28 audit services companies headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 198 professional contacts across them, including 76 with verified work emails and 16 with mobile numbers. Helsinki is the largest hub.

This list covers audit services companies 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.

28Companies

198Contacts tracked

76Verified emails

16Mobile numbers

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The 18 largest audit services companies based in Finland

Ranked by team size

Top 18 of 28 audit services companies 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	Tiliextra OY	Helsinki	11-50	21	17
2	JTT Audit OY	Joensuu	11-50	18	8
3	Rantalainen Audit OY	Hyvinkaa	11-50	11	8
4	Pohjois-Suomen Tilintarkastus OY	Oulu	11-50	11	6
5	HLB Tietotili	Vantaa	51-200	11	2
6	Revisium OY	Tampere	11-50	7	7
7	Tilintarkastustoimisto Juha Tissari	Kuopio	1-10	6	3
8	Myauditor	Helsinki	1-10	5	3
9	Etilintarkastus Suomi OY	Kouvola	1-10	5	3
10	IA Insight OY	Espoo	1-10	4	4
11	HJL Audit OY	Savonlinna	1-10	4	2
12	Tilintarkastus Brikka	Seinajoki	1-10	3	2
13	Auditus Tilintarkastus OY	Hameenlinna	1-10	3	2
14	Tilintarkastusrengas OY	Helsinki	1-10	2	2
15	Taikatilit OY	Sukeva	1-10	2	2
16	Maura Audit OY	Turku	1-10	2	2
17	Audim OY	Salo	1-10	1	1
18	Näsitarkastus OY	Tampere	1-10	1	1

Showing 18 of 28 audit services companies based in Finland

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Audit services companies based in Finland at a glance

As of Aug 28, 2026

1-10Median size (employees)

HelsinkiLargest hub · 6 HQs

16Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Audit services companies by metro

Metro	Companies
Audit services companies in Helsinki	6
Audit services companies in Turku	4
Audit services companies in Seinajoki	3
Audit services companies in Savonlinna	2
Audit services companies in Tampere	2
Audit services companies in Hyvinkaa	2
Audit services companies in Hameenlinna	1
Audit services companies in Espoo	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 “audit services companies”, 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; 1 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 audit services companies are there based in Finland?

There are 28 audit services companies headquartered in Finland as of August 2026 (RevenueBase).

What is the largest company on this list?

Tiliextra OY, headquartered in Helsinki, tops this list with the largest team on record.

Which city has the most audit services companies?

Helsinki leads with 6 headquartered companies, followed by Turku (4) and Seinajoki (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 76 verified decision-maker contacts tracked across these 28 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.