Company lists · Data verified August 2026

Top 25 Accounting outsourcing companies based in Finland

There are 172 accounting outsourcing companies headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 833 professional contacts across them, including 420 with verified work emails and 58 with mobile numbers. Helsinki is the largest hub.

This list covers accounting outsourcing 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.

172Companies
833Contacts tracked
420Verified emails
58Mobile numbers
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The 25 largest accounting outsourcing companies based in Finland

Ranked by team size
Top 25 of 172 accounting outsourcing companies based in Finland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Administer TilitoimistoMantsala501-1,00012467
2View Group OYHelsinki51-2007751
3Tilitoimisto Lemon Tree OYHelsinki51-2004530
4Septimus OYHelsinki11-502714
5Angelma & Mäkelä OYHameenlinna11-501916
6TonavaTampere11-501711
7Saruman OYOulu11-501412
8Tilitoimisto Mst-Yhtiöt OYKerava11-50148
9Tilitoimisto Torn OYn/a11-50145
10Accotilit OYTampere11-50128
11Bäck & VilénVaasa11-50107
12Tilitoimisto Capital OYEspoo11-5099
13Tilitoimisto AlttumTampere1-1073
14Talouskonsultointi Mertaoja OYHelsinki11-5066
15Tilitoimisto Skarppitilit OYTampere1-1055
16Laskentatieto OY Irja HirsinummiTurku11-5054
17Actire TaloushallintopalvelutVantaa1-1054
18Tilipartners OYPori1-1053
19Tietomylly OYKangasniemi1-1053
20Cd-Yhtiöt OYHelsinki11-5044
21Tilitoimisto Memeri OYLohja1-1044
22Tiliteema OYTurku1-1044
23Relion OYLappeenranta11-5043
24Mariannan Tili OYPeipohja Kokemaki1-1043
25Favore OYHelsinki1-1043

Showing 25 of 172 accounting outsourcing companies based in Finland

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Accounting outsourcing companies based in Finland at a glance

As of Aug 28, 2026
1-10Median size (employees)
HelsinkiLargest hub · 26 HQs
58Contacts with mobile numbers
7Emails re-verified in last 30 days

Companies by employee count

1-10
130
11-50
23
51-200
5
501-1,000
3

Accounting outsourcing companies by metro

MetroCompanies
Accounting outsourcing companies in Helsinki26
Accounting outsourcing companies in Espoo15
Accounting outsourcing companies in Tampere12
Accounting outsourcing companies in Vantaa10
Accounting outsourcing companies in Turku8
Accounting outsourcing companies in Oulu7
Accounting outsourcing companies in Jyvaskyla6

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 outsourcing 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; 7 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 outsourcing companies are there based in Finland?

There are 172 accounting outsourcing companies 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 outsourcing companies?

Helsinki leads with 26 headquartered companies, followed by Espoo (15) and Tampere (12).

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 420 verified decision-maker contacts tracked across these 172 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.