The short version
Estonia's 0% tax on retained profits is a fact about Estonia. It says nothing about the country you actually live in. Two separate mechanisms let your home country tax an Estonian OÜ anyway: permanent establishment (PE) rules, which can treat the company itself as tax resident where you sit, and controlled foreign company (CFC) rules, which can tax retained profits as if you had already distributed them. Both exist specifically to stop the move you're making -- run a low-tax foreign company from a high-tax home.
- Permanent establishment risk and CFC risk are two different mechanisms, and most guides collapse them into one -- they don't work the same way and don't have the same escape routes.
- Germany, Spain and the Netherlands can treat your OÜ as fully tax resident at home (not just PE) if you run it from your kitchen table -- that's a bigger problem than a PE claim.
- The US GILTI regime is the outlier: it can reach active operating income, not just passive income, with no low-tax exemption Estonia's 0% rate comes close to clearing.
- Every EU regime in this guide has a genuine-economic-activity carve-out for EU/EEA subsidiaries; the UK and US do not offer the same substance-based escape.
- None of this is prevented by your service provider's accounting -- PE and CFC exposure is decided by where you personally work and decide, not by where your invoices are filed.
I deregistered from Germany in 2012, three years before I became an e-Resident, specifically because I'd already seen what happens to people who keep their center of life in a high-tax country while running a foreign company from it. The AStG doesn't care how good your Estonian accountant is.
This guide is the country-level reference Estonian Company Taxes Explained points to but doesn't have room for. If you haven't read the PE and CFC sections there yet, start there for the general mechanism -- this page assumes you already know that "0% corporate tax" only applies to profits you never distribute, and goes deep on what happens once your home country gets involved.
Why a 0% Estonian rate doesn't end the conversation
Your Estonian OÜ is a separate legal entity from you, but your home country doesn't have to accept that framing at face value. Two questions decide whether it does: where is the company actually managed, and who controls it. If the answer to the first question is "from my apartment in Berlin, Madrid, or wherever I live," your home country has a PE or corporate-residence argument. If the answer to the second is "me, and I'm keeping profits in the company instead of paying myself a dividend," your home country may have a CFC argument on top of that.
These two questions are independent. You can clear one and still fail the other. A founder who genuinely splits their year across five countries has a weak PE case but can still trigger CFC rules the moment their home-country ownership share and Estonia's low effective tax rate line up with their country's thresholds. The reverse is also true.
Permanent establishment: when your home country claims the company itself
A permanent establishment claim argues that your Estonian company has a taxable presence in your home country, which pulls the profits attributable to that presence into local corporate tax -- Estonian registration notwithstanding. The international baseline is the OECD Model Tax Convention's Article 5: a fixed place of business through which the company's business is wholly or partly carried on, or a dependent agent who habitually concludes contracts on the company's behalf (source: OECD Model Tax Convention Art. 5, as restated in HMRC's International Manual, INTM266010). A home office used to run the company day to day is exactly the fact pattern Article 5 was written to catch.
Several of the countries below go further than a PE claim: they ask whether the company's place of effective management is in their territory at all, under Article 4 of the OECD Model. If it is, they don't just tax a slice of the company's local profits -- they can treat the company as their own tax resident, with full corporate tax on 100% of worldwide profits. That distinction matters more than most guides make clear, and it's the first thing to check for your own country below.
Controlled foreign company rules: when they tax profits you haven't distributed
CFC rules attribute a foreign company's income to its controlling shareholder even though nothing has been distributed, specifically to remove the tax-deferral advantage of parking profits in a low-tax jurisdiction. Every regime in this guide is built from the same three moving parts, even though the thresholds differ: a control test (usually a majority ownership or voting threshold), a low-tax test (the foreign company's effective or statutory tax rate falls below some benchmark), and, in the EU regimes, a substance carve-out that switches the rule off if you can show genuine economic activity in Estonia.
That substance carve-out exists because of EU law, not generosity -- the 2016 Anti-Tax Avoidance Directive (ATAD) requires member states to exempt an EU/EEA subsidiary with real staff, premises and independent decision-making from CFC attribution. A one-person OÜ where the one person is also the sole director working from home has a genuinely weak substance case, whatever the accounting says.
Estonia's own 0% rate on retained profits is precisely the "low-tax" fact pattern every CFC test is designed to notice. The rate that makes Estonia attractive is the same rate that opens the CFC door at home -- there is no version of this structure where a genuinely high-tax home country simply doesn't ask the question.
Germany: the sharpest edge in the EU
Germany's Außensteuergesetz (AStG) applies its CFC charge, the Hinzurechnungsbesteuerung, once a German-resident shareholder controls more than 50% of a foreign company's voting rights, capital, or profit entitlement, alone or together with related persons (source: §7 AStG, gesetze-im-internet.de). The low-tax trigger is an effective tax burden below 15%, lowered from 25% by the 2021 ATAD-Umsetzungsgesetz (source: §8(5) AStG; PwC Germany, Corporate -- Group taxation, reviewed 30 June 2026) -- Estonia's 0% on retained profits clears that bar with room to spare. An EU/EEA subsidiary escapes the charge only if you can prove genuine economic activity via the "Motivtest" (§8(2)-(3) AStG): real staff, premises, and independent operation in Estonia, not a mailbox and a service provider's address.
The bigger risk in Germany isn't the CFC charge -- it's residence itself. §12 of the Abgabenordnung (AO) explicitly lists the "Stätte der Geschäftsleitung" (place of management) as a form of permanent establishment, and §1(1) of the Körperschaftsteuergesetz (KStG) goes further: a company becomes unlimited-liable to German corporate tax on its entire worldwide income if its place of management is in Germany, not merely PE-liable on a slice of it (source: §10 AO, §1(1) KStG, gesetze-im-internet.de). For a solo director running the OÜ from a German home office, Germany's argument isn't "your company has a branch here" -- it's "your company is a German company that happens to be registered in Tallinn." Germany and Estonia have had a double tax treaty in force since 1998 (BGBl. 1998 II S. 548), which resolves double taxation after residence or PE has already been established -- it doesn't prevent Germany from making that finding first.
Spain: transparencia fiscal internacional
Spain's CFC regime, transparencia fiscal internacional under Article 100 of Ley 27/2014 (LIS), applies once a Spanish-resident taxpayer holds 50% or more of a foreign entity's capital, equity, results or voting rights, alone or with related parties (source: Art. 100(1)(a) LIS, BOE consolidated text). The low-tax trigger is different from Germany's flat percentage: the foreign entity must have paid less than 75% of what Spanish rules would have charged on the same income (Art. 100(1)(b) LIS) -- Estonia's 0% on undistributed profits fails that comparison outright. As in Germany, an EU/EEA entity is exempt if the taxpayer proves genuine economic activity there (Art. 100(15) LIS).
Spain's residence test is built around the same idea as Germany's: Article 8 LIS treats a company as Spanish tax resident if its "sede de dirección efectiva" -- the seat of direction and control of the whole of its activities -- is in Spain, and Article 13 of the non-resident income tax law (LIRNR) defines PE in the OECD's familiar terms, listing a management seat among the qualifying fixed installations. Spain and Estonia have an income tax treaty in force (source: PwC Spain, Corporate -- Withholding taxes, treaty table listing Estonia).
France: no CFC code, but courts fill the gap
France's CFC rule, Article 209 B of the Code Général des Impôts (CGI), triggers at a control threshold of more than 50% -- reducible to 5% where several French taxpayers act in concert -- of a foreign entity subject to a "privileged tax regime," defined as paying at least 40% less tax than French rules would have charged (source: PwC France, Corporate -- Group taxation, reviewed 24 April 2026). Estonia's 0% on retained profits clears that 40% gap easily.
France's PE rules are unusual among the countries in this guide: they aren't written into the tax code at all, but built entirely from case law, and French courts apply three alternative tests rather than the OECD's two. Alongside the standard fixed-place and dependent-agent tests, French courts recognize a "cycle commercial complet" -- a complete commercial cycle carried out on French soil -- as its own basis for a PE finding, and apply it with a substance-over-form lens. In a 2020 case, the Conseil d'État found a French PE for an Irish company where a French affiliate effectively decided deals the Irish entity merely formalized (Conseil d'État, 11 December 2020, n°420174, Sté Conversant International Ltd). Unlike Germany, Spain or the Netherlands, French corporate residence is based on place of incorporation, not place of effective management -- so for a French-resident founder, the fight is specifically about PE, not about the company being reclassified as French outright.
Italy: the 2023 reform tightened the low-tax test
Italy's CFC rules, under Article 167 of the TUIR, require both conditions to be met jointly: an effective tax rate below 15%, and more than one-third of the foreign company's revenue coming from passive income categories (source: PwC Italy, Corporate -- Group taxation, reviewed 13 July 2026). This dual test was tightened by Legislative Decree 209/2023, aligning it with the OECD's Pillar Two framework from FY2024 onward. A shareholder can also elect a three-year, irrevocable 15% substitute tax on the CFC's accounting profit instead of full attribution, or seek an advance ruling from the Italian tax authorities exempting the CFC on substance grounds.
The Netherlands: a narrower gate than most
The Dutch CFC regime, implemented via the Wet Vpb 1969 as part of the first EU Anti-Tax Avoidance Directive, applies once a Dutch-resident shareholder holds more than 50% of a foreign entity, but only clears its low-tax gateway if the entity is established in a jurisdiction with a statutory corporate tax rate below 9%, or on the Dutch Ministry of Finance's published list of non-cooperative jurisdictions (source: PwC Netherlands, Corporate -- Group taxation, reviewed 29 May 2026). That gateway condition is narrower than Germany's or Spain's effective-rate tests -- it's a binary check against a published list, not a case-by-case calculation.
Whether Estonia currently sits below that 9% statutory-rate gateway or on the non-cooperative list is exactly the kind of fact that changes and needs checking against the Dutch Ministry of Finance's current "Regeling laagbelastende staten" before you rely on it -- this guide doesn't assert Estonia's status either way. Verify it directly, or with a Dutch tax advisor, rather than assuming.
Dutch residence uses the same facts-and-circumstances approach as Germany and Spain: Article 4 of the Algemene wet inzake rijksbelastingen (AWR) assesses residence, including for a company, on where its actual management -- "feitelijke leiding" -- takes place, decided on the specific circumstances rather than a fixed rule (source: AWR Art. 4, wetten.overheid.nl). The Netherlands and Estonia have an income tax treaty in force.
The United States: GILTI reaches further than any EU regime
The US has no domestic PE concept at all -- it taxes a foreign corporation's US activity through the broader "engaged in a US trade or business" (USTB) and "effectively connected income" (ECI) standards, which apply at a lower threshold than treaty PE (source: IRS, Effectively Connected Income, updated 18 August 2026). The 1998 US-Estonia income tax treaty narrows that back down to something closer to OECD-style PE for a US-resident founder -- without it, US domestic law alone would reach further than any of the six countries above.
The CFC side is where the US genuinely stands apart. A foreign corporation is a CFC if US Shareholders -- US persons each owning at least 10% -- together own more than 50% of the vote or value (source: 26 U.S.C. §957). Since 2018, the GILTI regime (now restructured as "net CFC tested income" under 26 U.S.C. §951A) taxes US shareholders currently on a broad measure of the CFC's active business income, not just the traditional passive-income categories every EU regime targets. The one exemption -- the high-tax exclusion under Treasury Regulation §1.951A-2(c)(7) -- requires a foreign effective tax rate above 18.9% (90% of the 21% US corporate rate). Estonia's 0% rate on retained profits doesn't come close, and because GILTI tests are computed whether or not you actually distribute, deferring dividends doesn't help the way it can under other regimes.
The 2025 One Big Beautiful Bill Act changed several ownership-attribution and pro-rata-share rules that feed into GILTI calculations (source: PwC US, Corporate -- Group taxation, reviewed 4 September 2026). If you're a US person with an Estonian OÜ, treat this as an area that just moved and get current numbers from a US international tax advisor rather than a general guide.
The United Kingdom: company residence beats the CFC gateway
The UK's CFC rules, under Part 9A of TIOPA 2010, work differently from every regime above: instead of a flat control-and-rate test, they use a "CFC charge gateway" that isolates profits artificially diverted from UK activity -- specifically profits attributable to "UK significant people functions" -- and only those profits are chargeable to the UK interest-holder (source: HMRC International Manual, INTM191100). A UK person needs at least a 25% interest, combined with connected persons, before a CFC charge can apply to them. Five entity-level exemptions exist, including a Tax Exemption for CFCs paying a normal-to-high level of tax in their home state (source: HMRC International Manual, INTM224000, INTM226000) -- the specific numeric thresholds for these exemptions change and should be checked directly with HMRC's manual rather than assumed from a summary.
The sharper UK risk mirrors Germany's: central management and control, the long-standing UK case-law test for where a company is actually resident (De Beers Consolidated Mines v Howe, 5 TC 213; Bullock v Unit Construction, 38 TC 712). If a UK-based sole director genuinely runs the company -- makes the decisions, signs the contracts -- from the UK, HMRC's argument isn't a CFC charge on a slice of income, it's that the company is a UK tax resident outright, liable to full UK corporation tax on worldwide profits. The UK's domestic PE definition (CTA 2010 s.1141) mirrors the OECD's Article 5 almost exactly, and the UK-Estonia double tax treaty has been in force since 19 December 1994, effective for UK corporation tax from 1 April 1995 (source: gov.uk, Estonia tax treaties).
CFC and PE risk by country, at a glance
| Country | CFC control threshold | CFC low-tax trigger | Sharpest risk |
|---|---|---|---|
| Germany | >50% (AStG §7) | ETR below 15% (AStG §8) | Full German residence via "Geschäftsleitung" (KStG §1) |
| Spain | ≥50% (LIS Art. 100) | Tax paid below 75% of Spanish equivalent | Full Spanish residence via "dirección efectiva" (LIS Art. 8) |
| France | >50%, or 5% in concert (CGI Art. 209B) | Tax paid ≥40% below French equivalent | PE via case-law "cycle commercial complet" |
| Italy | Standard control test (TUIR Art. 167) | ETR below 15% AND over 1/3 passive income | CFC attribution (residence wording under review post-2023 reform) |
| Netherlands | >50% (Wet Vpb 1969) | Target's statutory CIT below 9%, or blacklisted | Full Dutch residence via "feitelijke leiding" |
| United States | >50% by US Shareholders each ≥10% (IRC §957) | No simple rate test; high-tax exclusion needs ETR >18.9% | GILTI taxes active income currently, no deferral benefit |
| United Kingdom | ≥25% UK interest (TIOPA 2010 Pt. 9A) | Gateway test on diverted profits, not a flat rate | Full UK residence via "central management and control" |
How to actually lower your risk
None of the escape routes above are paperwork fixes. The EU substance carve-outs require real staff, premises and independent decision-making in Estonia -- not a registered address and a service provider's monthly invoice. The residence tests in Germany, Spain, the Netherlands and the UK all turn on the same underlying fact: where do you actually make decisions and do the work. A founder who splits meaningful time across multiple countries, keeps travel and workspace records, and can point to genuine Estonian infrastructure has a materially different case than one who works from the same home office twelve months a year.
Get a tax advisor who works across borders before you distribute anything, not after. The interaction between Estonia's distribution-based system and your home country's CFC and residence rules is specific to your situation -- your citizenship, your residence history, how you split your time, and how the company is actually run -- and a generic answer is close to worthless here.
Frequently asked questions
Do CFC rules and permanent establishment risk apply to me at the same time?
They're independent tests, and you can fail either one alone. PE and residence tests ask where the company is actually managed; CFC rules ask whether you control a low-taxed foreign company and attribute its income to you regardless of distribution. Clearing one doesn't clear the other.
Which country in this guide is hardest to avoid CFC exposure in?
The United States. GILTI taxes a broad measure of active business income currently, not just passive income, and its high-tax exclusion needs a foreign effective tax rate above 18.9% -- Estonia's 0% on retained profits doesn't get close. The EU regimes at least offer a genuine-substance carve-out; GILTI's high-tax exclusion is a rate test, not a substance test.
Does a full-service Estonian provider protect me from a PE or residence claim?
No. Your provider handles Estonian registration, accounting and filing -- none of that is what PE or place-of-effective-management tests look at. Those tests look at where you personally work, decide and sign, which your provider has no control over. See Estonian Company Taxes Explained for how the two obligations -- company-level and personal-level -- actually interact.
Can I avoid CFC attribution by not paying myself a dividend?
Not reliably. That works under regimes that only tax passive income categories once distributed, but the US GILTI regime attributes broad business income currently regardless of distribution, and several EU regimes attribute passive-income categories on the same basis. Whether deferral helps depends entirely on which country's regime applies to you.
What's the one fact that decides most of these cases?
Where you personally do the work of running the company, day to day, for most of the year. Every residence and PE test in this guide -- Germany's Geschäftsleitung, Spain's dirección efectiva, the Netherlands' feitelijke leiding, the UK's central management and control -- is a version of the same question, asked in different legal language.
Continue reading
- Estonian Company Taxes Explained -- The general PE and CFC mechanism this guide goes deep on
- Is e-Residency Right for You? -- Whether your own situation clears these risks before you incorporate anything
- Estonia vs. the Alternatives -- Whether the Estonian structure still wins once you factor in home-country tax
- e-Residency for SaaS Founders -- How this plays out for a one-person company specifically
- e-Residency for Agency Owners -- What changes once you have staff or contractors in your home country
