The Turks and Caicos Islands (TCI) is a no-income-tax jurisdiction, which presents a unique situation for US expatriates. While there is no local income tax to double, Americans here still face significant US tax and reporting obligations, particularly concerning self-employment taxes, foreign corporations, and investments.
Relief from US income tax on salary is typically achieved through the Foreign Earned Income Exclusion, but complex rules apply to business owners, investors, and the self-employed.
US filing basics every American abroad must know
US citizens and green-card holders are taxed on worldwide income wherever they live, and usually must file Form 1040 once gross income exceeds the IRS threshold ($15,750 for single filers, $31,500 for married filing jointly, and $23,625 for head of household for 2025), even when no tax is ultimately due. The tools that reduce double taxation are the Foreign Earned Income Exclusion (FEIE, up to $130,000 for 2025 under IRC §911) and the Foreign Tax Credit. Neither is automatic. The FEIE requires a tax home in a foreign country plus either the bona fide residence test or 330 full days abroad in a 12-month period, and it reaches earned income only. The Foreign Tax Credit is figured separately for each income category under IRC §904 and is capped at the US tax on the foreign income in that category, so it reduces double taxation without guaranteeing that none remains.
Two reporting rules catch most filers in Turks and Caicos: the FBAR (FinCEN Form 114), required when foreign financial accounts exceed $10,000 in aggregate at any point in the year, and Form 8938 (FATCA) for specified foreign assets above the applicable threshold. Both can carry penalties even when no tax is owed. If you are behind, the Streamlined Filing Compliance Procedures are the usual path back for non-willful taxpayers. They run on two tracks: the foreign track carries no offshore penalty but requires meeting the program's non-residency test, and the domestic track carries a 5% offshore penalty but works through amended returns, so it does not fit someone who never filed at all. Tax and interest on the catch-up years are owed whichever route applies.
US tax treaty with Turks and Caicos
There is no income tax treaty between the United States and the Turks and Caicos Islands. Consequently, there are no treaty provisions to reduce US tax, modify withholding rates, or resolve residency disputes.
US citizens must rely on domestic US tax law for relief from double taxation. This is primarily done through the Foreign Earned Income Exclusion (FEIE) for earned income. The Foreign Tax Credit (FTC) is generally not a factor for income sourced in TCI, as the islands do not impose a personal or corporate income tax.
National Insurance Board (NIB) and US Tax
The main retirement and social security system in TCI is the National Insurance Board (NIB), into which all employed and self-employed persons must contribute.
- Reporting Requirements: The IRS states that payments, or the right to receive the foreign equivalent of Social Security or social insurance benefits from a foreign government, are not specified foreign financial assets and are not reportable on Form 8938. A statutory entitlement of this kind is also not a foreign financial account, so it is not an FBAR item either. Private accounts you hold at TCI banks are a separate question and do count.
- Contributions: Employee contributions to the NIB are not deductible on a US tax return. Employer contributions may be considered current taxable income to the employee, depending on the specific US tax classification of the plan.
Investments, property, and capital gains in Turks and Caicos
The Turks and Caicos Islands does not have a capital gains tax, investment income tax, or corporate income tax. This zero-tax environment creates significant US tax implications for American investors and business owners.
- Passive Foreign Investment Companies (PFICs): Any investment in a TCI-based mutual fund or similar pooled investment vehicle will be treated as an investment in a PFIC. Owning a PFIC requires filing Form 8621 for each fund, which involves complex and often punitive tax calculations unless specific, timely elections are made. The default tax treatment on distributions or sales can be extremely high.
- Controlled Foreign Corporations (CFCs): A TCI company is a CFC when US shareholders in aggregate own more than 50% of it by vote or by value, counting only those US shareholders who each own 10% or more. If it is a CFC, a 10% US shareholder files Form 5471. Active operating profit that is not Subpart F income is generally tested income, and a US shareholder picks it up currently as Global Intangible Low-Taxed Income (GILTI), reduced by 10% of the company's qualified business asset investment, which is small for a services business with few fixed assets. The local rate is not what makes profit a GILTI inclusion; it decides whether the high-tax exception can be elected and whether any foreign tax is available at all, and in TCI there is none. The practical effect in a zero-tax jurisdiction is that deferral does not do the work owners expect it to.
Self-employment and companies in Turks and Caicos
Self-employed US citizens and green-card holders in the Turks and Caicos Islands face a critical US tax obligation that is often misunderstood. There is no US-Turks and Caicos totalization agreement (social security agreement) in force.
The consequences of this are direct:
- Full US Self-Employment Tax: You are liable for US self-employment tax (Social Security and Medicare) once net earnings from self-employment are $400 or more. The tax is 15.3% on 92.35% of those net earnings, with the 12.4% Social Security portion stopping at the annual wage base ($176,100 for 2025, $184,500 for 2026) and the 2.9% Medicare portion continuing uncapped above it, plus a further 0.9% Additional Medicare Tax on combined Medicare-taxed wages and self-employment income above $200,000 for a single, head-of-household or qualifying-surviving-spouse filer, $250,000 for a joint return, and $125,000 for married filing separately.
- No FEIE Offset: The Foreign Earned Income Exclusion (FEIE) can exclude your earnings from US income tax, but it does not reduce your income subject to US self-employment tax. You must pay this tax regardless of the FEIE.
- No Certificate of Coverage: You cannot obtain a Certificate of Coverage to claim an exemption from US self-employment tax. You are required to pay into the US system, and you are also required to pay into the TCI NIB system on the same income, resulting in dual social security contributions.
Worked examples
Hotel Manager on Local Payroll (2025)
Sarah is a US citizen working as a manager for a resort in Providenciales, earning a salary of $120,000. She has a local bank account with a balance of $50,000 and contributes to the TCI National Insurance Board (NIB).
- US Income Tax: Sarah can use the Foreign Earned Income Exclusion (FEIE) to exclude her entire $120,000 salary from US income tax, since it is below the 2025 maximum of $130,000. The dollar cap is only one condition. She also needs a tax home in TCI and must meet either the bona fide residence test or the 330-day physical presence test, and she has to claim the exclusion on Form 2555. Where those conditions are met, the US income tax on that salary comes to zero.
- Reporting: Despite owing no income tax, she must file a US tax return to claim the FEIE. She must also file an FBAR (FinCEN Form 114) because her foreign bank account balance exceeds $10,000.
Self-Employed Real Estate Agent (2025)
John is a US citizen working as a self-employed real estate agent in TCI. His net earnings from self-employment are $150,000. He also pays into the TCI NIB as a self-employed person.
- US Income Tax: If John has a tax home in TCI and meets either the bona fide residence test or the 330-day physical presence test, he can use the FEIE to exclude $130,000 of his earnings from US income tax, leaving $20,000 in his income. Section 911(d)(6) disallows deductions properly allocable to excluded income, so business deductions attributable to the excluded portion are apportioned away, and under the section 911(f) stacking rule what remains is taxed at the rates that would apply if the excluded $130,000 were still counted. His actual bill turns on that apportionment and on his standard or itemized deduction.
- US Self-Employment Tax: The FEIE does not apply to self-employment tax. John must pay US SE tax on his net earnings. The calculation is on 92.35% of his net earnings, so he will owe approximately $21,194 in US self-employment tax: 92.35% of $150,000 is $138,525, which sits below the 2025 Social Security wage base of $176,100, so the full 15.3% applies to it. This is mandatory, even though he also pays into the TCI NIB.
Owner of a TCI Consulting Company (2025)
Maria is a US citizen and the sole owner of a TCI Exempt Company that provides consulting services. The company earns a net profit of $250,000 in 2025 and does not pay out any dividends to Maria.
- CFC and GILTI: Maria owns 10% or more and US shareholders in aggregate own more than 50% by vote and by value, so the company is a Controlled Foreign Corporation (CFC). Its consulting profit is active income rather than Subpart F income, which makes it tested income that flows into her GILTI calculation, reduced by 10% of the company's qualified business asset investment. A consulting firm holds few fixed assets, so that reduction is small.
- US Tax Liability: Even though the company retained all its profit, Maria includes her GILTI on her personal Form 1040. As an individual shareholder she does not get the section 250 deduction or a credit for foreign corporate tax that a US corporate shareholder would get, so most of the $250,000 is taxed at her ordinary rates in the current year. A section 962 election lets an individual be taxed on the inclusion as if she were a corporation, which changes that math and has its own consequences on later distributions. In TCI there is no local corporate tax to credit in any event.
- Reporting: Maria must file Form 5471 to report her ownership of the CFC and Form 8992 to calculate her GILTI inclusion. This is a very complex area of US tax law.
Common mistakes for Americans in Turks and Caicos
- Assuming that 'no TCI income tax' means 'no US tax'. US citizens are taxed on worldwide income.
- Forgetting to file a US tax return because income is below the Foreign Earned Income Exclusion threshold. The FEIE must be actively claimed on a filed return.
- Believing that paying into the TCI National Insurance Board (NIB) exempts a self-employed person from US self-employment tax. It does not; there is no totalization agreement.
- Failing to file an FBAR (FinCEN Form 114) for TCI bank accounts, mistakenly thinking the $10,000 threshold applies per account instead of in aggregate.
- Ignoring the US tax implications of owning a TCI company, leading to missed Form 5471 filings and surprise tax bills from the GILTI rules.
- Investing in TCI mutual funds without realizing they are PFICs, which requires complex annual reporting on Form 8621 and can lead to punitive tax rates.
- Searching for and relying on a non-existent US-TCI tax treaty or social security agreement for tax benefits.
Turks and Caicos tax FAQ
Is there a US-Turks and Caicos tax treaty?
No. There is no income tax treaty between the United States and the Turks and Caicos Islands. US citizens cannot claim any treaty benefits for reduced tax rates or residency determination.
Do I owe US tax if I live in TCI, a no-tax country?
Yes, you still have a US tax filing obligation on your worldwide income. While the Foreign Earned Income Exclusion may eliminate US income tax on your salary, you may still owe US tax on other income, such as investment income. Furthermore, self-employed individuals owe US self-employment tax regardless of the FEIE.
Can I avoid US self-employment tax if I'm self-employed in TCI?
No. There is no social security agreement (totalization agreement) between the US and TCI. As a self-employed US citizen you owe US self-employment tax once net earnings from self-employment are $400 or more: 15.3% on 92.35% of those net earnings, with the 12.4% Social Security portion stopping at the annual wage base ($176,100 for 2025) and the 2.9% Medicare portion uncapped. You owe it even if you also contribute to the TCI National Insurance Board (NIB). The Foreign Earned Income Exclusion does not reduce it and the Foreign Tax Credit cannot offset it.
What is the TCI National Insurance Board (NIB) and how does the US view it?
The NIB is TCI's mandatory social security system. The IRS states that the right to receive the foreign equivalent of Social Security or social insurance benefits from a foreign government is not a specified foreign financial asset and is not reportable on Form 8938, and an entitlement of that kind is not a foreign financial account for FBAR purposes either. Contributions you make are not deductible on a US return, and NIB benefits you actually receive are foreign pension income that has to be reported.
What happens if I own a local TCI company?
Your TCI company is a Controlled Foreign Corporation (CFC) when US shareholders in aggregate own more than 50% of it by vote or by value, counting only those US shareholders who each own 10% or more. If it is, active profit that is not Subpart F income is tested income and reaches you currently as a GILTI (Global Intangible Low-Taxed Income) inclusion, reduced by 10% of the company's qualified business asset investment. So you can pay US income tax on the company's profits in the year they are earned even if nothing is distributed. TCI's zero rate does not create the inclusion, but it does mean there is no foreign tax to soften it. You must also file Form 5471 annually.
Are investments in TCI mutual funds complicated for US tax purposes?
Yes. TCI mutual funds are considered Passive Foreign Investment Companies (PFICs) under US law. Ownership of a PFIC requires filing Form 8621, which has very complex rules and can result in highly unfavorable tax treatment if proper elections are not made in a timely manner.
Do I need to file an FBAR if I live in Turks and Caicos?
Yes, if the total, combined value of all your foreign financial accounts exceeds $10,000 at any point during the calendar year. This includes bank accounts and brokerage accounts. The FBAR is filed with FinCEN, not the IRS.
How does the Foreign Earned Income Exclusion (FEIE) work in a no-tax country?
The FEIE works the same way regardless of the local tax rate, and a zero local rate neither helps nor hurts it. To claim it you need a tax home in the foreign country and you must meet either the bona fide residence test or the 330-day physical presence test, then elect the exclusion on Form 2555. It excludes up to $130,000 of foreign earned income for 2025 from your US income tax calculation. It does not exclude income from US self-employment tax, nor does it apply to unearned income like interest, dividends, or capital gains. In a no-tax jurisdiction it matters more than usual, because there is no foreign tax to generate a Foreign Tax Credit as a fallback.
Sources and last reviewed
- IRS - Foreign Earned Income Exclusion (verified 2026-06-07)
- IRS - Form 8938 Filing Requirements (verified 2026-06-07)
- US Treasury - US-TCI FATCA Agreement (verified 2026-06-07)
- Turks and Caicos National Insurance Board (verified 2026-06-07)
Reviewed by Ilya Fayerman, Esq. (NY Bar) on
Common services needed by expats in Turks and Caicos
Most Americans abroad in Turks and Caicos need help with at least one of the following core compliance areas, which frequently interact:
- US expat tax returns, Form 1040 with FEIE, FTC, treaty positions, and any required state returns.
- FBAR reporting, FinCEN Form 114 for foreign financial accounts exceeding $10,000 aggregate at any time during the year.
- Form 8938 (FATCA), IRS disclosure of specified foreign financial assets when thresholds are met.
- Streamlined catch-up filing, For eligible non-willful taxpayers with prior unfiled years.
Discuss your Turks and Caicos return
Related country guides
- US expat tax in Canada
- US expat tax in Mexico
- US expat tax in Brazil
- US expat tax in Costa Rica
- US expat tax in Panama
- US expat tax in Colombia