Company lists · Data verified August 2026

Top 25 Accounting process outsourcing providers based in Finland

Name: Accounting process outsourcing providers based in Finland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 132 companies tracked

There are 132 accounting process outsourcing providers headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 644 professional contacts across them, including 309 with verified work emails and 30 with mobile numbers. Helsinki is the largest hub.

This list covers accounting process outsourcing providers 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.

132Companies

644Contacts tracked

309Verified emails

30Mobile numbers

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The 25 largest accounting process outsourcing providers based in Finland

Ranked by team size

Top 25 of 132 accounting process outsourcing providers 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	Administer Tilitoimisto	Mantsala	501-1,000	124	67
2	Tilitoimisto Lemon Tree OY	Helsinki	51-200	45	30
3	Angelma & Mäkelä OY	Hameenlinna	11-50	19	16
4	Tonava	Tampere	11-50	17	11
5	Eqvitia OY	Jyvaskyla	11-50	16	13
6	Saruman OY	Oulu	11-50	14	12
7	Tilitoimisto Torn OY	n/a	11-50	14	5
8	Tilitoimisto Faktacount OY	Riihimaki	11-50	12	1
9	Bäck & Vilén	Vaasa	11-50	10	7
10	Tilitoimisto Capital OY	Espoo	11-50	9	9
11	Talouskonsultointi Mertaoja OY	Helsinki	11-50	6	6
12	Tekodo OY	Oulu	1-10	6	5
13	Taloustaivas OY	Espoo	1-10	6	4
14	Tilitoimisto Skarppitilit OY	Tampere	1-10	5	5
15	Laskentatieto OY Irja Hirsinummi	Turku	11-50	5	4
16	Tilipartners OY	Pori	1-10	5	3
17	Tietomylly OY	Kangasniemi	1-10	5	3
18	Adner OY	Mantsala	51-200	5	1
19	Cd-Yhtiöt OY	Helsinki	11-50	4	4
20	Tilitoimisto Memeri OY	Lohja	1-10	4	4
21	Bullet Taloushallinto OY	Tampere	1-10	4	4
22	Tiliteema OY	Turku	1-10	4	4
23	OY Toimialakirjanpito Branschbokföring AB	Vaasa	11-50	4	2
24	Tilipooli OY	Oulu	1-10	4	2
25	Tilitoimisto Salo OY	Alajarvi	1-10	4	2

Showing 25 of 132 accounting process outsourcing providers based in Finland

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Accounting process outsourcing providers based in Finland at a glance

As of Aug 28, 2026

1-10Median size (employees)

HelsinkiLargest hub · 17 HQs

30Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Accounting process outsourcing providers by metro

Metro	Companies
Accounting process outsourcing providers in Helsinki	17
Accounting process outsourcing providers in Espoo	14
Accounting process outsourcing providers in Tampere	10
Accounting process outsourcing providers in Turku	7
Accounting process outsourcing providers in Vantaa	7
Accounting process outsourcing providers in Oulu	5
Accounting process outsourcing providers in Jyvaskyla	5

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 “accounting process outsourcing providers”, 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; 5 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 accounting process outsourcing providers are there based in Finland?

There are 132 accounting process outsourcing providers headquartered in Finland as of August 2026 (RevenueBase).

What is the largest company on this list?

Administer Tilitoimisto, headquartered in Mantsala, tops this list with the largest team on record.

Which city has the most accounting process outsourcing providers?

Helsinki leads with 17 headquartered companies, followed by Espoo (14) and Tampere (10).

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 309 verified decision-maker contacts tracked across these 132 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.