What is withholding tax on cross-border income?

When a company pays dividends, interest or royalties to a resident of another country, the source country may withhold tax at the point of payment. A bilateral tax treaty often reduces that statutory rate so the income is not taxed heavily in both countries.

What is the difference between portfolio and direct dividend rates?

Portfolio dividends go to small shareholders and usually carry a 10-15% treaty rate. Direct (parent-subsidiary) dividends go to a company holding a large stake — often 10%, 50% or 80% depending on the treaty — and qualify for a lower rate, frequently 5% or 0%.

Why might the lowest rate not apply to me?

The reduced rate normally requires you to be the beneficial owner, a tax resident of the treaty country, and to pass a limitation-on-benefits clause that blocks treaty shopping. Some rates also need a minimum holding period. Failing any test reverts you to the statutory rate.

Are these rates current and legally binding?

They reflect the common treaty-reduced rates at the time of writing, but treaties are amended by protocols and domestic law changes. Always confirm against the live treaty text and seek professional advice before relying on a specific rate.

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What is the UK/US Tax Treaty Reference?

Reference of treaty-reduced withholding tax rates on dividends, interest and royalties between the UK, US and major OECD partners, with qualifying-condition notes and a country-pair filter. It runs free in your browser on Gera Tools, with nothing uploaded.

UK/US Tax Treaty Reference

Name: UK/US Tax Treaty Reference
Creator: Gera Tools
License: https://creativecommons.org/licenses/by/4.0/

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Reducing double taxation on cross-border income

When dividends, interest, or royalties cross a border, the source country usually levies a withholding tax before the income reaches the foreign recipient. Bilateral tax treaties — built on the OECD Model Convention — reduce those statutory rates so the same income is not taxed heavily in both countries. This reference summarises the headline withholding rates for the UK, US, and major OECD partners, with the conditions that gate the lowest rates.

How it works

Each treaty sets separate reduced rates for three income types. Dividends are usually split into portfolio (small) and direct (parent-subsidiary) categories:

Dividends (portfolio)  → small shareholder, typically 10–15%
Dividends (direct)     → parent-subsidiary holding, often 5% or 0%
Interest               → frequently 0% under modern treaties
Royalties              → often 0%, sometimes 5–10% by category

To claim a reduced rate you generally must be the beneficial owner of the income, a tax resident of the treaty partner (with a valid certificate of residence), and satisfy a limitation-on-benefits (LOB) clause designed to prevent treaty shopping by residents of third countries.

The three main gating conditions

1. Beneficial ownership

The recipient must be the economic owner of the income, not a conduit passing it through to a third party. A holding company that immediately on-lends interest income to its parent may not qualify as beneficial owner even if it is legally the lender.

2. Minimum ownership for direct-dividend rates

The lowest dividend withholding rate — often 0% or 5% — applies only when the recipient holds a minimum stake in the paying company. Thresholds vary significantly by treaty pair:

Treaty pair	Portfolio rate	Direct rate	Minimum holding
UK / US	15%	5%	10% (or 0% if 80%+ held 12+ months)
UK / Germany	10%	5%	10%
UK / France	15%	5%	10%
US / Canada	15%	5%	10%

These figures are illustrative. Always verify against the treaty text and any amending protocols in force.

3. Limitation-on-benefits and anti-abuse tests

Many modern treaties (especially those following the OECD’s BEPS Multilateral Instrument) now include a principal purpose test (PPT) or detailed LOB article. If a structure’s primary purpose was to obtain treaty benefits, the benefit can be denied even when the formal ownership and residency requirements are met.

Interest and royalty rates

Modern UK and US treaties frequently zero-rate interest paid between associated companies, though anti-avoidance provisions apply to related-party arrangements. Royalty zero-rating is common but sometimes split by category: many US treaties distinguish software royalties, film royalties, and patent royalties, taxing them differently even within the same treaty.

Key practical notes

The treaty rate is a ceiling on source-country withholding, not a complete exemption — tax withheld beyond the treaty rate is reclaimed by filing in the source country.
Relief in your home country usually comes through a foreign tax credit for any residual source-country tax, subject to ordering rules.
Protocols amend treaties over time; always verify against the currently in-force text (available on your tax authority’s website or IBFD) rather than a historical summary.
This reference is for planning and orientation only — always seek professional advice before relying on a specific treaty position.