A quick reference for United Kingdom-resident investors holding UCITS ETFs — dividend and capital-gains tax, the reduced US withholding rate via tax treaties, allowances, and whether accumulating or distributing is more efficient.
8.75% dividend tax at basic rate (33.75% higher, 39.35% additional). £500 dividend allowance. CGT 18%/24%. ISA and SIPP accounts make UCITS ETFs fully tax-free — the standard route for UK investors.
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Related: UCITS withholding tax explained · UCITS vs US ETFs · All countries
Educational information only, not tax advice. Rates change and depend on your circumstances — verify with a qualified adviser.