Accounting for limited companies (Oy) in Finland

What is included

• Double-entry bookkeeping every month, from receipts, sales invoices and bank lines, with income and costs in the right period.
• VAT returns filed in MyTax by the due date when the period's material reaches us in time; see our article on VAT return deadlines.
• The financial statements, prepared for the annual general meeting, and their filing with the Trade Register.
• The company's tax return, due within four months from the end of the last month of the financial year.
• The accounting software, paid by us, and answers in between.

The deadlines an Oy lives by

For a financial year ending on 31 December, the financial statements must be prepared by the end of April, adopted by the annual general meeting by the end of June and filed with the Trade Register within two months of adoption; the Finnish Patent and Registration Office charges a late fee if they are not filed within eight months of the year end. Our article on year-end goes through the steps, and our article on financial statement deadlines through the fees.

Prices

The year-end is in the monthly price: no separate invoice for the financial statements or the tax return at year-end.

Salary or dividends

An Oy pays its owner through salary, dividends or both, and the mix decides the tax; our article on salary or dividends works through it with 2026 figures. Salaries need payroll, available alongside the bookkeeping for 15 euros per pay run; see payroll services. An owner in a leading position, such as managing director or board member, who holds more than 30 % of the shares alone, or more than 50 % together with family members, is insured under YEL, not TyEL.

Who it suits

Small companies in Helsinki and across Finland: restaurants, consultancies, online shops and companies founded by people who moved to Finland. If you are still deciding on the form, our article on toiminimi or Oy compares them, and company formation covers the registration.

How it starts

1. Email us your turnover, roughly how many receipts and sales invoices you have a month, and whether you pay salaries.
2. You get a written price and the agreement before any work starts.
3. A person entitled to represent the company alone, usually the managing director, approves our Suomi.fi mandate request; our guide shows how.
4. If you are switching from another firm, we agree the handover with you; see our article on switching accountant.

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