Digital and Population Data Services Agency

Converting a registered partnership into a marriage

Service
Nationwide
Public service

You can convert your partnership registered before 1 March 2017 into a marriage by notifying the Digital and Population Data Services Agency. The registered partnership will continue as a marriage from the date we receive your notification. At the same time, you can also indicate that you are taking a common surname or a combination of surnames. There is no marriage ceremony associated with the no ...

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Fill in the form and sign it together. The form is available in Finnish and Swedish on the Digital and Population Data Services Agency's website.

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Digital and Population Data Services Agency
Digital and Population Data Services Agency, HelsinkiDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Ratapihantie 7, 00520 Helsinki
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, JoensuuDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Kauppakatu 40, 80100 Joensuu
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, JyväskyläDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Vapaudenkatu 58, 40100 Jyväskylä
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, KuopioDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Kallanranta 11, 70100 Kuopio
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, LahtiDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Kirkkokatu 12, 15140 Lahti
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, LappeenrantaDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Villimiehenkatu 2 B, 53100 Lappeenranta
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, OuluDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Viestikatu 1, 90130 Oulu
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, PoriDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Yrjönkatu 6, 28100 Pori
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, RovaniemiDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Hallituskatu 5 C, 96100 Rovaniemi
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, TampereDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Hatanpään valtatie 36, 33100 Tampere
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, TurkuDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Kulttuurikuja 1, 20800 Turku
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Digital and Population Data Services Agency
Digital and Population Data Services Agency, VaasaDigital and Population Data Services Agency
Service location
Nationwide
The Digital and Population Data Services Agency provides services throughout Finland. You may visit the most suitable service location for you.
Contact information:
Wolffintie 35 B, 65200 Vaasa
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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
- Guidance to online self-service
- Document received
- Onsite guidance
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Kristinestad Kristiinankaupunki
Service pointKristinestad Kristiinankaupunki
Service location
Kristiinankaupunki
The service point assists customers, receives documents, and provides guidance on the use of electronic services.
Contact information:
Merikatu 47, 64100 Kristiinankaupunki
Service level
- Onsite guidance
- Guidance to online self-service
- Document received
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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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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
- Document received
- Onsite guidance
- Guidance to online self-service
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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
- Onsite guidance
- Document received
- Guidance to online self-service
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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
- Document received
- Guidance to online self-service
- Onsite guidance
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Digital and Population Data Services Agency

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Digital and Population Data Services Agency

Text edited by: Digital and Population Data Services Agency

Updated: 23/9/2026

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Converting a registered partnership into a marriage

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