Estonia offers something genuinely unusual for an EU country: a fully digital company structure that owes 0% corporate tax for as long as profit stays inside the business, and gets taxed only once you actually pay it out. That's not the same thing as tax-free, it's tax-deferred, and the difference matters for how you plan around it. This is what setting one up looks like in 2026.
1. FIE or OÜ?
Two structures to weigh, and they land very differently on tax treatment.
- FIE (sole proprietorship). The individual entrepreneur route, carrying unlimited personal liability. An FIE doesn't get the tax deferral described further down; income is taxed the moment it's earned, so there's no upside to reinvesting rather than taking it out.
- OÜ (private limited company). The standard limited liability company in Estonia, and what nearly every e-Resident and most local founders form. Minimum share capital is effectively €0.01, with no real minimum left since a 2023 reform removed it.
2. Registering through the Business Register
Registration happens through the Estonian Business Register (Äriregister), and the whole thing can run online if you hold e-Residency, Estonia's digital ID scheme for non-residents. e-Residency is a separate step from actually forming the company, costs roughly €100 to €120, and gets you a digital ID card for signing documents and filing taxes remotely, though holding one doesn't make you an Estonian tax resident. Registering an OÜ carries a €265 state fee, and most founders also pay a formation service, typically €390 and up, to get the paperwork right. Counting e-Residency, a registered address, and basic accounting, a realistic first-year total lands around €2,000 to €2,500.
3. Locking down a registered address and an accountant
Every Estonian company needs a registered legal address inside Estonia; non-resident e-Residents almost always arrange this through a service provider, since actually living there isn't required. It's also worth having an accounting relationship set up from the start, because Estonia's digital tax system expects clean, on-time filings even from very small or dormant companies.
4. What licenses actually apply
There's no single nationwide business license in Estonia. Most consulting, software, and service businesses need nothing beyond standard registration, though what applies to you depends on your specific industry, and regulated sectors carry their own separate permits.
5. Estonia's deferred corporate tax and how it compares
This is where Estonia genuinely differs from most of Europe. An OÜ owes 0% corporate income tax on profit that stays inside the company, whether reinvested or simply held. Tax kicks in only when you distribute profit as dividends, charged at 22/78 of the net distribution, which comes out to roughly 22% of the gross amount; distribute €78,000 in dividends and the company owes €22,000 in tax on that payout. A previously available reduced rate for regularly paid dividends was scrapped starting in 2025, so this single rate now covers every distribution.
An FIE sees none of that deferral. Sole proprietors pay a flat 22% personal income tax on top of 33% social tax on all business income as it comes in, and there's no advantage to leaving money in the business since there's no separate company-level tax being deferred in the first place.
VAT sits at 24% standard, a rate that became permanent from July 2025, with reduced rates of 13% for accommodation and 9% for books, press, and medicines. Registration is required once your Estonian taxable turnover passes €40,000 a year.
6. What compliance looks like going forward
Every OÜ, dormant or not, has to file an annual report by June 30; skip it and you're looking at fines and, eventually, forced dissolution by the Business Register. VAT returns follow whatever filing schedule your registration sets. One thing to watch heading into 2026: Estonia has been tightening its expectations around economic substance for e-Resident companies, so genuine active operations now carry more weight than they used to for staying in good standing.
Estonia business costs at a glance
| Item | Cost |
|---|---|
| e-Residency card (optional, non-residents) | ~€100 to €120 |
| OU state registration fee | €265 |
| OU minimum share capital | €0.01 |
| Corporate tax on retained/reinvested profit | 0% |
| Corporate tax on distributed profit | 22/78 (~22% of gross) |
| FIE personal income tax + social tax | 22% + 33% |
| VAT, standard rate | 24% |
| VAT registration threshold | €40,000 turnover |
Frequently asked questions
How much does e-Residency cost in Estonia?
Roughly €100 to €120, a separate step from company formation that lets you sign documents and file taxes remotely without making you a tax resident of Estonia.
What's the corporate tax rate in Estonia?
0% on profit that stays in the company, reinvested or retained. Tax only applies when you distribute profit as dividends, at a rate of 22/78 of the net distribution, roughly 22% of the gross amount.
How much does it cost to register an OÜ in Estonia?
A €265 state registration fee, plus typically €390 and up for a formation service. A realistic first-year total, including e-Residency and basic accounting, runs €2,000 to €2,500.
How much capital do I need to start an OÜ in Estonia?
Effectively €0.01, no practical minimum since a 2023 reform.
Does a FIE in Estonia get the same tax deferral as an OÜ?
No. A FIE (sole proprietor) pays a flat 22% personal income tax plus 33% social tax on all business income as it's earned, with no benefit to reinvesting.
Fees and rates above are drawn from the Estonian Tax and Customs Board and the Estonian Business Register as of 2026, and they shift over time, so verify before you file. None of this is legal or tax advice. Talk to an Estonia-qualified accountant or lawyer about your specific situation.