Tax Reporting & Filing for Estonian Companies

No — this is the most important and distinctive feature of the Estonian corporate tax system. An Estonian OÜ pays 0% corporate income tax on any profit it retains in the company. Tax arises only when the OÜ distributes profits as dividends. This means an OÜ earning €200,000 in a year and retaining all of it pays zero corporate tax for that year. The tax obligation is deferred to the future point of distribution, at which point the OÜ pays 28% distribution tax on the grossed-up dividend. The Tulumaksuseadus (Income Tax Act) establishes this system — it applies to all Estonian OÜs regardless of the owner’s nationality or residence. This structure makes Estonia attractive for companies that want to reinvest profits for growth without an annual profit tax bill.

The TSD must be filed by the 10th of each month for the prior month. The obligation to file arises when any of the following occurred in the prior month: salary or board member fees were paid, fringe benefits were provided to employees, dividends were distributed, or payments were made to non-residents that are subject to withholding tax. If none of these events occurred, there is no TSD obligation for that month. However, the obligation should be monitored monthly — a single payment that was overlooked creates a late TSD. Our service tracks all events automatically, so the TSD is filed whenever there is an obligation, and no unnecessary filings are made when there is no obligation.

Service fee payments to non-residents are generally not subject to Estonian withholding tax unless they fall into specific categories defined in the Tulumaksuseadus. Standard consulting, professional services, and advisory fees paid to a UK company for services performed outside Estonia are typically outside scope — no Estonian WHT applies. However, certain types of service fees can attract WHT: management fees paid to non-residents, technical services with an Estonian source, and similar categories may be taxable depending on the specific facts. The Estonia-UK DTT also applies and may reduce any applicable rate. The safest approach for any significant non-resident service payment: check the specific payment type against the Tulumaksuseadus and the applicable DTT before paying, and document your analysis in case EMTA ever asks. We provide this analysis as part of our tax consultation service.

Yes — EMTA can audit any company’s tax filings. Audits (maksukontrollid) are either selected randomly, triggered by statistical anomalies in declared amounts, or initiated in response to specific information EMTA has received. An audit typically begins with an information request (teabenõue) asking the company to explain specific items or provide supporting documentation. If you have clean books and your declarations are accurate, an EMTA information request or audit is a straightforward process: your accountant responds with the documented evidence and the matter closes. If there are errors, the audit is the more expensive path — EMTA assesses back-tax plus interest plus potential fines for the years under review. Professional tax filing from the start dramatically reduces both the probability of an audit being initiated and the cost if one does occur. We handle all EMTA correspondence on your behalf via esindusõigus.