Tips for companies' online filing at ytj.fi
The online service at ytj.fi provides instructions for filing notifications.
You will find our general instructions in the menu on the left.
Customer support
Telephone advisory service Monday–Friday (local network charge/mobile call charge):
- Trade Register’s Advisory Service
+358 29 509 5030, Mon–Fri 9.00–15.00
- Tax Administration’s advisory service / registration of limited liability companies (Oy)
+358 29 497 051, Mon–Fri 9.00–16.15
- Tax Administration’s advisory service / Private traders, general partnerships, limited partnerships
+358 29 497 051, Mon–Fri 9.00–16.15