In this guide
Choose the company form for your business in Finland
A small one-person activity may be organised as toiminimi, broadly a Finnish sole-trader form. A business with co-founders, growth plans or outside funding may consider an osakeyhtiö (Oy), a Finnish limited company. This is a planning choice, not a universal recommendation.
Compare practical consequences: who signs contracts, who makes decisions, how profits are distributed and what happens if a founder leaves. Write down the answers before filing. If you are still testing an idea, first test the customer, price, costs and responsibility instead of creating a complicated structure for appearance.
Prepare the company information
Collect the proposed name, a clear activity description, address information, owner details and the people who may act for the company. For an Oy, prepare the formation decisions and information required by the current process. Check the name in advance.
Describe the business broadly enough for the planned model, but do not list every possible activity. Decide how contracts will be signed, where records will be kept and who will coordinate accounting. If a founder lives outside Finland, check the current identity and document requirements for representatives before filing.
Separate registration from ongoing duties
Company registration uses Finnish official channels connected with the Finnish Patent and Registration Office (PRH) and the YTJ Business Information System. A Y-tunnus is the business ID assigned to an enterprise; it does not mean that tax, accounting or employment matters are complete. After registration, identify relevant tax registers and arrange bookkeeping and reporting.
Check PRH, YTJ, the Finnish Tax Administration and Suomi.fi before filing. Procedures and guidance can change, so an old forum post is not enough. Keep the filing, formation decisions and confirmations. Assign someone to monitor the company calendar: a non-trading company may still have formal duties.
The corporate bank account, briefly
After registration, a Finnish bank will usually ask about owners, representatives, the business model, expected payments and the source of funds. The questions depend on the bank and the situation. Do not assume that an account is automatic: extra documents or a refusal are possible. Keep company and personal spending separate, and decide who approves payments.
Company ownership and the right to live or work are different
Creating a Finnish company does not by itself give a person the right to live or work in Finland. A founder who is a national of another country must separately check the basis of stay, work authorisation and the conditions for an entrepreneur. Owning shares, serving on a board and actually working in the company can have different consequences.
Do not treat Oy registration as immigration advice. For a specific situation, use current official Migri guidance and qualified advice. This matters especially when the plan involves moving a family, working in several countries or relying on an existing residence permit.
Prepare your registration questions before the first sale
- You can explain who the customer is and what they pay for.
- Owners, roles and decision-making are clear.
- The business form and filing information are prepared.
- Tax and accounting duties have been checked.
- You can sign contracts, issue invoices and store evidence.
- Industry-specific permits have been checked separately.
If the situation is difficult to structure, prepare questions for a practical consultation through Torgex. Agree the consultation language and scope before booking. It does not replace legal advice or a public-authority decision.
Reference links
English edition updated 23 October 2026. Check the current requirements and terms for your circumstances.