About us About us

About us

About us

Contact information

Contact us

STUK - Radiation and Nuclear Safety Authority
Laippatie 4, 00880 Helsinki, Finland
P.O. BOX  14, 00811 Helsinki, Finland

Open Mon-Fri from 8 a.m to 4.15 p.m.
Telephone +358 9 759 881
Telefax +358 9 759 88 500

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)stuk.fi
  • Personal e-mail addresses: firstname.lastname(at)stuk.fi
  • Feedback and questions about radiation: stuk(at)stuk.fi

Do not send any sensitive information by e-mail.

STUK's Securedmail (turvaviesti.stuk.fi) enables you to send confidential information.


Director General Petteri Tiippana
Director Kaisa Koskinen
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) stuk.fi

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

Invoices to STUK must be sent as e-invoices:

E-billing address/Party Identifiations Number 003702458699
Operator ID OpusCapita Solutions Oy E204503

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

P.O. Box 7096
01051 LASKUT