US Tax for Turkish Founders Running US LLCs
A Turkey resident owes no US federal income tax on a US LLC's business profits absent US effectively connected income, but Turkey's CFC rules (Corporate Tax Law Article 7) reach individual owners — attributing undistributed profits where control is 50%-plus, passive income is 25%-plus, and foreign tax is under 10%. An active services LLC usually fails the passive-income test and escapes. Top personal rate is 40%.
Approval-window and timing figures are based on founder reports tracked by Global Solo; regulatory figures follow the cited agency's published rules.
US tax for non-US-resident founders running US LLCs is shaped by three converging questions: does the US LLC have Effectively Connected Income (ECI), does the founder owe US tax personally on LLC profits, and how does the founder's home-country tax authority treat the LLC structure. For a non-US-person owner the US answer is usually narrow — no US income tax on foreign-earned business profits, with Form 5472 as the only filing; the expat-tax services below fit founders who are themselves US persons (citizens or green-card holders) living abroad. Home-country treatment requires a local CA / CPA familiar with the cross-border layer.
US Tax + Treaty options for Turkish founders
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Turkey cross-border compliance layer
For a Turkey-resident owner the US side is standard: an LLC run from Turkey with no US office, employees, or dependent agent generally has no US trade or business and no effectively connected income, so no US federal income tax on business profits, with Form 5472 plus pro-forma Form 1120 due (USD 25,000 penalty, IRC Section 6038A). The US-Turkey treaty (signed 1996, in force 1997, effective 1998) confirms business profits are taxable only where there is a US permanent establishment, and caps US dividend withholding at 20% for an individual (the 15% rate is for a company holding at least 10% of the payer).
On the Turkey side, a resident (domiciled, or present more than six months in a calendar year, Income Tax Law Articles 3–4) is taxed on worldwide income on a 15%–40% scale, the 40% top rate applying above roughly TRY 5.3 million for 2026. The decisive question is Turkey's Controlled Foreign Company regime, which — unusually — reaches individual shareholders, not only companies: under Corporate Tax Law Article 7, undistributed profits of a foreign company are attributed currently to a resident owner when control is at least 50%, at least 25% of the company's revenue is passive, its effective tax is under 10%, and its annual revenue exceeds TRY 100,000. A 100% owner clears control, and a no-US-tax LLC clears the under-10% test — so whether CFC bites turns on the passive-income ratio: an active services LLC usually fails the 25%-passive test and escapes, in which case the profits are taxed in Turkey on distribution; a holding or passive LLC is attributed currently. A foreign tax credit applies under Income Tax Law Article 123, capped at the Turkish tax on the same income.
**Sources cited above:** IRC Section 6038A (Form 5472); US-Turkey Income Tax Treaty (1996, in force 1997, effective 1998) Articles 5, 7, and 10; Turkey Income Tax Law (GVK) Articles 3–4 (residence / worldwide income) and 123 (foreign tax credit); Corporate Tax Law Article 7 (CFC, applies to individuals); 2026 individual brackets (Communiqué No. 332, top 40%). Last verified 2026-06-01.
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