US-UK tax treaty dividend withholding is set by Article 10 of the 2001 UK-US Income Tax Treaty. A UK-resident individual who files Form W-8BEN pays 15% US tax on dividends from US companies instead of the 30% statutory rate. UK companies owning at least 10% of the voting stock pay 5%, and qualifying UK pension schemes and certain 80%-owned subsidiaries can pay 0%.
Millions of UK investors hold US shares, from Apple in a general investment account to S&P 500 funds in a SIPP. The rate the IRS keeps depends on who owns the shares, which wrapper they sit in and whether the right form reached the broker. This guide covers that one question. It does not cover interest, royalties or pension distributions, which follow other treaty articles.
US-UK tax treaty dividend withholding rates under Article 10
Without a treaty, the US withholds 30% on dividends paid to foreign persons under Internal Revenue Code sections 871(a) and 1441. Article 10 of the treaty reduces that rate for UK residents who are the beneficial owners of the dividends. The IRS publishes the full text on its United Kingdom tax treaty documents page.
| Beneficial owner (UK resident) | US withholding rate | Treaty basis |
|---|---|---|
| No treaty claim made | 30% | US domestic law |
| Individual, portfolio shareholding | 15% | Article 10(2)(b) |
| UK company owning at least 10% of the voting stock | 5% | Article 10(2)(a) |
| UK company owning at least 80% for 12 months, meeting the limitation on benefits tests | 0% | Article 10(3)(a) |
| Qualifying UK pension scheme | 0% | Article 10(3)(b) |
Special cases: REITs and regulated investment companies
Dividends from US real estate investment trusts (REITs) and regulated investment companies (RICs) follow special conditions in Article 10(4). In particular, a large REIT holding may not qualify for the reduced rate at all. Therefore, check the fund's structure before assuming 15% applies.
The UK side of dividends
The treaty works mainly in one direction for individuals. UK domestic law does not withhold tax on ordinary dividends paid by UK companies (UK REIT property income distributions are an exception), so a US investor in a FTSE share already receives dividends gross. The Article 10 limits therefore matter chiefly for UK residents buying US shares.
How to claim the 15% rate with Form W-8BEN
You claim the treaty rate by giving your broker or the paying agent Form W-8BEN before the dividend is paid. On Part II, you state that you are resident in the United Kingdom, cite Article 10 and enter the 15% rate. The broker then withholds 15% at source. The IRS explains the form in its About Form W-8BEN guidance.
How long the form lasts
A W-8BEN generally remains valid until the last day of the third calendar year after the year you sign it, unless your circumstances change. For example, a form signed in March 2026 expires on 31 December 2029. Most UK platforms prompt you to renew. If yours lapses, the broker must withhold 30% until a new form is filed.
Recovering over-withheld tax
If 30% was withheld because the form was missing, you can claim a refund of the excess by filing Form 1040-NR with the IRS. For small portfolios, the cost of filing often exceeds the refund. Consequently, keeping the W-8BEN current is the practical answer.
Pensions and ISAs are treated differently
The wrapper changes the result. A SIPP or workplace pension is itself the beneficial owner of the shares, so it claims the pension scheme exemption in Article 10(3)(b). Your pension provider handles this, usually on Form W-8BEN-E. US dividends inside a qualifying UK pension therefore typically suffer 0% US withholding.
An ISA is different. The treaty does not recognise ISAs, so US dividends inside a Stocks and Shares ISA usually bear 15% US withholding under a W-8BEN. HMRC does not refund it, because the ISA income is already free of UK tax. That makes a SIPP the more efficient home for high-yielding US shares, all else equal.
| Where UK resident holds US shares | Typical US withholding | UK tax on dividend |
|---|---|---|
| General investment account with W-8BEN | 15% | Taxable, with credit for US tax |
| Stocks and Shares ISA | 15% | None |
| SIPP or workplace pension | 0% | None while inside the pension |
The catch for US citizens: the saving clause
A US citizen living in the UK cannot use W-8BEN at all. W-8BEN is only for non-US persons. Instead, a US citizen gives the broker a Form W-9 and is taxed as a US person, as our comparison of W-8BEN versus W-9 for Americans in the UK explains. Furthermore, the saving clause in Article 1(4) lets the US tax its citizens as if the treaty did not exist, so the 15% cap does not limit US tax on their dividends.
How double tax is resolved for Americans in Britain
For a UK-resident US citizen, the UK taxes the US dividend as a resident, and the US taxes it as a citizen. The UK credits US tax only up to the 15% treaty rate. The US then gives a credit for the remaining UK tax under the treaty's re-sourcing rules. This mechanism is covered step by step in our guide to treaty re-sourcing on Form 1116. It is also a common reason Americans need a dual-qualified adviser, as our US-UK tax experts page discusses.
An illustrative example
Consider an illustrative UK-resident British investor who receives $4,000 of dividends from US shares in a general investment account in 2026. The figures are illustrative. With a valid W-8BEN, the broker withholds $600 (15%) rather than $1,200 (30%). On their UK Self Assessment return, the investor reports the dividend and claims foreign tax credit relief for the $600, up to the UK tax due on that income. HMRC's guidance on foreign income taxed twice explains the claim. Had the same shares sat in a SIPP, no US tax would have been withheld at all. In short, US-UK tax treaty dividend withholding depends as much on the wrapper as on the investor.
If you hold US investments from the UK and want to check your US-UK tax treaty dividend withholding position, book a consultation with our cross-border team. We review your wrappers, forms and treaty position in one pass.
Frequently Asked Questions
What is the US withholding rate on dividends for UK residents?
Under the US-UK tax treaty dividend withholding rules in Article 10, UK-resident individuals pay 15% US withholding tax on US dividends if they file Form W-8BEN with their broker. Without the form, the US withholds 30%. UK companies owning at least 10% of the voting stock can qualify for 5%.
Do UK pensions pay US tax on American dividends?
Qualifying UK pension schemes, including SIPPs and workplace pensions, can claim a 0% rate under Article 10(3)(b) of the US-UK tax treaty. The pension provider makes the claim, usually on Form W-8BEN-E. Individual members do not file anything for this.
Is US withholding tax refunded inside an ISA?
No. The US-UK tax treaty does not recognise ISAs, so US dividends inside a Stocks and Shares ISA usually suffer 15% US withholding with a W-8BEN. HMRC cannot refund it because the ISA income is not subject to UK tax.
Can a US citizen living in the UK use Form W-8BEN?
No. Form W-8BEN is only for non-US persons. A US citizen must give their broker Form W-9 and is taxed as a US person. The saving clause in Article 1(4) of the treaty also lets the US tax its citizens' dividends without the 15% cap.
How long is Form W-8BEN valid?
A Form W-8BEN generally stays valid until the last day of the third calendar year after the year it is signed, unless a change in circumstances makes it incorrect. A form signed in 2026 therefore expires on 31 December 2029.
Does the UK withhold tax on dividends paid to US investors?
No, for ordinary dividends. UK domestic law does not impose withholding tax on ordinary dividends paid by UK companies, although UK REIT property income distributions are an exception, so US investors receive UK dividends gross. The Article 10 treaty limits matter mainly for UK residents receiving US dividends.
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