Tax return - the self-employed

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Nationwide
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You can submit the business tax return online or using a paper form. Use the form to indicate business income, expenses, assets and debts.

Do the following

If you are an entrepreneur in the Tax Administration's registers, the tax return must always be submitted, even if there has been no activity. If more than one accounting period has ended during the tax year, report the data for all accounting periods using a single tax return.

You can see the deadline for submitting the business tax return from MyTax. Submit the tax return primarily in MyTax. You can also submit your business tax return electronically as a file at Ilmoitin.fi

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City of Kuopio
Customer Service of Nilsiä districtCity of Kuopio
Service location
Kuopio
Customer Service of the Nilsiä district
Contact information:
Ukko-Paavontie 15, 73300 Nilsiä
Service level
- Onsite guidance
- Guidance to online self-service
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City of Oulu
Haukipudas Service PointCity of Oulu
Service location
Oulu
Oulu10 Haukipudas service point is a centralized customer service point.
Contact information:
Jokelantie 1, 90830 Haukipudas
Service level
- Guidance to online self-service
- Onsite guidance
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City of Oulu
Kiiminki Service PointCity of Oulu
Service location
Oulu
Oulu10 Kiiminki service point is a centralized customer service point.
Contact information:
Kirjastokuja 1, 90900 Kiiminki
Service level
- Onsite guidance
- Guidance to online self-service
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City of Oulu
Oulunsalo Service PointCity of Oulu
Service location
Oulu
Oulu10 Oulunsalo service point is a centralized customer service point.
Contact information:
Karhuojantie 2, 90460 Oulunsalo
Service level
- Guidance to online self-service
- Onsite guidance
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Suomi-piste service points
Suomi-piste in JoensuuSuomi-piste service points
Service location
13 municipalities
The Suomi-piste in Joensuu offers a wide range of services from one place – handle matters easily in one visit.
Contact information:
Kauppakatu 40, 80100 Joensuu
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Suomi-piste service points
Suomi-piste in JyväskyläSuomi-piste service points
Service location
Nationwide
The Suomi-piste in Jyväskylä offers a wide range of services from one place – handle matters easily in one visit.
Contact information:
Vapaudenkatu 58, 40100 Jyväskylä
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Suomi-piste service points
Suomi-piste in KouvolaSuomi-piste service points
Service location
6 municipalities
The Suomi-piste in Kouvola offers a wide range of services from one place – handle matters easily in one visit
Contact information:
Valimontie 5, 45100 Kouvola
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Suomi-piste service points
Suomi-piste in LahtiSuomi-piste service points
Service location
10 municipalities
The Suomi-piste in Lahti offers a wide range of services from one place – handle matters easily in one visit.
Contact information:
Kirkkokatu 12, 15140 Lahti
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Suomi-piste service points
Suomi-piste in LappeenrantaSuomi-piste service points
Service location
9 municipalities
The Suomi-piste in Lappeenranta offers a wide range of services from one place – handle matters easily in one visit.
Contact information:
Villimiehenkatu 2 B, 53100 Lappeenranta
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Finnish Tax Administration
Tax Administration service point, ÅlandFinnish Tax Administration
Service location
16 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Torggatan 16, 22101 Mariehamn
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Finnish Tax Administration
Tax Administration service point, HämeenlinnaFinnish Tax Administration
Service location
11 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Wähäjärvenkatu 6, 13200 Hämeenlinna
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Finnish Tax Administration
Tax Administration service point, HelsinkiFinnish Tax Administration
Service location
26 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Hämeentie 15, 00500 Helsinki
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Finnish Tax Administration
Tax Administration service point, IvaloFinnish Tax Administration
Service location
21 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Piiskuntie 2, 99800 Ivalo
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Finnish Tax Administration
Tax Administration service point, KajaaniFinnish Tax Administration
Service location
8 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Kalliokatu 4, 87100 Kajaani
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Finnish Tax Administration
Tax Administration service point, KemiFinnish Tax Administration
Service location
21 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Marina Takalon katu 3, 94100 Kemi
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Finnish Tax Administration
Tax Administration service point, KittiläFinnish Tax Administration
Service location
21 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Valtatie 15, 99100 Kittilä
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Finnish Tax Administration
Tax Administration service point, KokkolaFinnish Tax Administration
Service location
8 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Kaarlelankatu 27, 67101 Kokkola
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Finnish Tax Administration
Tax Administration service point, KuopioFinnish Tax Administration
Service location
19 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Viestikatu 7, 70600 Kuopio
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Finnish Tax Administration
Tax Administration service point, OuluFinnish Tax Administration
Service location
30 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Uusikatu 52, 90100 Oulu
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Finnish Tax Administration
Tax Administration service point, PorvooFinnish Tax Administration
Service location
26 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Tulliportinkatu 1, 06101 Porvoo
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Finnish Tax Administration
Tax Administration service point, RovaniemiFinnish Tax Administration
Service location
21 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Hallituskatu 5 C, 96101 Rovaniemi
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Finnish Tax Administration
Tax Administration service point, SeinäjokiFinnish Tax Administration
Service location
18 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Kirkkokatu 9b B, 60100 Seinäjoki
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Finnish Tax Administration
Tax Administration service point, TampereFinnish Tax Administration
Service location
23 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Hatanpään valtatie 36, 33101 Tampere
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Finnish Tax Administration
Tax Administration service point, VaasaFinnish Tax Administration
Service location
14 municipalities
You can manage taxation matters at the service points of the Finnish Tax Administration.
Contact information:
Wolffintie 35, 65200 Vaasa
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Vantaa city
Vantaa Info, KorsoVantaa city
Service location
Vantaa
Vantaa Info in Korso is a service point of the City of Vantaa. Vantaa Info offers advice about the services of the City and its partners.
Contact information:
Urpiaisentie 14, 01450 Vantaa
Service level
- Guidance to online self-service
- Onsite guidance
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Vantaa city
Vantaa Info, MyyrmäkiVantaa city
Service location
Vantaa
Vantaa Info in Myyrmäki is a service point of the City of Vantaa. Vantaa Info offers advice about the services of the City and its partners.
Contact information:
Paalutori 3, 01600 Vantaa
Service level
- Guidance to online self-service
- Onsite guidance
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Vantaa city
Vantaa Info, TikkurilaVantaa city
Service location
Vantaa
Vantaa Info in Tikkurila is a service point of the City of Vantaa. Vantaa Info offers advice about the services of the City and its partners.
Contact information:
Ratatie 11A, 2. krs (Dixi), 01300 Vantaa
Service level
- Onsite guidance
- Guidance to online self-service
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City of Oulu
Yli-Ii Service PointCity of Oulu
Service location
Oulu
Oulu10 Yli-Ii service point is a centralized customer service point.
Contact information:
Halametsä 1, 91200 Yli-Ii
Service level
- Guidance to online self-service
- Onsite guidance
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City of Oulu
Ylikiiminki Service PointCity of Oulu
Service location
Oulu
Oulu10 Customer Service/Ylikiiminki is a centralized customer service point.
Contact information:
Harjutie 18, 91300 Ylikiiminki
Service level
- Guidance to online self-service
- Onsite guidance
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Finnish Tax Administration

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Finnish Tax Administration

Text edited by: Finnish Tax Administration

Updated: 3/2/2026

Tax return - the self-employed

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