Y forms with enclosures
Go to online filing at ytj.fi

Companies must file their notifications and applications online with the Finnish Trade Register from 1 January 2026. This does not apply to private traders, associations or foundations.

File your company’s notifications online: Read our filing instructions​

Associations can use the online filing service of the Finnish Register of AssociationsAvautuu uuteen välilehteen (available in Finnish and Swedish). Please note that associations file notifications with the Finnish Trade Register using form Y on paper.

Foundations file notifications only using form Y on paper.

Take care of your tax matters online in MyTaxAvautuu uuteen välilehteen or use form Y on paper.

Shortcut to instructions

​Are you setting up a company or an organisation? Based on your selection, we will guide you to our website (prh.fi), where you will find instructions for filing a start-up notification.
Shortcut – file a start-up notification

Have the details of your company or organisation changed? Would you like to file changes?
Based on your selection, we will guide you to our website (prh.fi), where you will find instructions for filing changes.
Shortcut – file changes

Forms for start-up notifications

Form Y1 and enclo­su­res

The­se use form Y1 with enclo­su­res:
  • Foun­da­tion
  • Ben­e­fit un­der joint ad­min­is­tra­tion
  • Ot­her or­ga­ni­sa­tion
  • Cor­re­spond­ing for­eign com­pany forms
Down­load the forms and read the­
fill­ing in­struc­ti­ons

Form Y2 and enclo­su­res

The­se use form Y2 with enclosures:
  • Gen­eral part­ner­ship
  • Lim­ited part­ner­ship
  • Tax part­ner­ship
  • Busi­ness part­ner­ship
  • Cor­re­spond­ing for­eign com­pany forms
Down­load the forms and read the
­fill­ing in­struc­ti­ons

Form Y3 and enclo­su­res

The­se use form Y3 and enclosures:
  • Pri­vate tra­der / Self-em­plo­yed
  • Agri­cul­tu­ral or fo­re­stry op­er­a­tor
  • Cor­re­spond­ing for­eign com­pany forms
Down­load the forms and read the­
fill­ing in­struc­ti­ons

Form Y1a and enclo­su­res

The­se use form Y1a and enclosures:
  • As­so­ci­a­tion
  • Cham­ber of com­merce
  • Re­li­gious com­mu­nity
Down­load the forms and read the
­fill­ing in­struc­ti­ons

Forms for start-up notifications on amendments or on termination of business

Form Y4 and enclo­su­res

The­se use form Y4 and enclo­su­res:
  • Lim­ited li­a­bil­ity com­pany
  • Co­op­er­a­tive
  • Foun­da­tion
  • Ben­e­fit un­der joint ad­min­is­tra­tion
  • Ot­her or­gan­i­sa­tion
  • Cor­re­spond­ing for­eign com­pany forms
Down­load the forms and read the
­fill­ing in­struc­ti­ons

Form Y5 and enclo­su­res

The­se use form Y5 and enclosures
  • Gen­eral part­ner­ship
  • Lim­ited part­ner­ship
  • Tax part­ner­ship
  • Busi­ness part­ner­ship
  • Cor­re­spond­ing for­eign com­pany forms
Down­load the forms and read the­
fill­ing in­struc­ti­ons

Form Y6 and enclo­su­res

The­se use form Y6 and enclosures:
  • Pri­vate tra­der / Self-em­plo­yed
  • Agri­cul­tu­ral or fo­re­stry op­er­a­tor
  • Cor­re­spond­ing for­eign com­pany forms
Down­load the forms and read the
­fill­ing in­struc­ti­ons

Form Y4a and enclo­su­res

The­se use form Y4a and enclosures:
  • As­so­ci­a­tion
  • Cham­ber of com­merce
  • Re­li­gious com­mu­nity
Down­load the forms and read the
­fill­ing in­struc­ti­ons