Contact information

Yhteystiedot STUK muuttaa - uusi osoitetieto EN

STUK has moved

Our new address is Jokiniemenkuja 1, 01370 Vantaa, Finland.
Arrival instructions to STUK

Contact us

STUK - Radiation and Nuclear Safety Authority
Jokiniemenkuja 1, 01370 Vantaa

Open Mon-Fri from 8 a.m to 4.15 p.m.
Telephone +358 9 759 881

The price for calls

The price for calls to STUK is the local network fee or the mobile call fee charged by the caller's operator. When calling from abroad, the price is determined by the local operator.


  • The official e-mail address of STUK's registry: stuk(at)
  • Personal e-mail addresses: firstname.lastname(at)
  • Feedback and questions about radiation: stuk(at)

Do not send any sensitive information by e-mail.

STUK's Securedmail ( enables you to send confidential information.

Director General

Director General Petteri Tiippana
Management Secretary Helena Virtanen, tel. +358 9 759 88 201


Press service on weekdays between 8 a.m to 4.15 p.m, tel. +358 (0)10 850 4761
  • Head of Communications Piia Kaijanto, tel. +358 9 759 88 285
  • Communication Specialist Leena Hietanen, tel. +358 9 759 88 215
  • Communication Specialist Risto Isaksson, tel. +358 9 759 88 208
  • E-mail to communications: media (at)

Feedback and questions

Do you want to give feedback on STUK's services and operations or this web site? Would you like know more?

Send us a message with the feedback form.  

Billing address and VAT number

Invoices to STUK must be sent as e-invoices:

  • E-billing address/Party Identifiations Number 003702458699
  • Operator ID OpusCapita Solutions Oy E204503
  • VAT number FI02458699

If you are not able to send e-invoices, please use the below mentioned address for paper invoices.

P.O. Box 7096
01051 LASKUT