Kaivokatu 10 A, 2nd floor
Mannerheimintie 5 B, 00100 Helsinki
HYY Toimintatalous, PL 4093, 01051 LASKUT
Exceptional opening hours:
How to get there:
050 551 6146
050 551 6145
Any enquiries about documents and certificates of positions of trust may be sent to email@example.com.
HYY’s e-invoicing address/party identification number:
Invoicing address/party identification number: 003701999768014
E-invoice account: BELRFI00005254
Business ID: 0199976-8
E-invoicing operator: Basware Oyj
Operator code: BAWCFI22
Please note that as of 1 January 2023, paper invoices can no longer be sent to the previously used invoicing address.
Did you forget something? You can bring any items left in meeting facilities or other public premises to our Services Office. If we cannot find the owner by the end of the academic year, we will take the items to recycling.
In the case of items left in organisational premises, please enquire directly from the organisations in question.
In the case of items left in the premises of UniCafe, please enquire directly from the University’s porters or the restaurants in question.