UK Corporation Tax Rates 2026: 19%, 25%, Marginal Relief and Associated Companies Explained
BRITVEX INSIGHTS · CORPORATION TAX & LIMITED COMPANIES · 16 OCTOBER 2026 UK Corporation Tax Rates 2026: Understand the 19% small-profits rate, 25% main rate, Marginal Relief and associated-company rules with Britvex Advisory. By Britvex Advisory · UK Accountancy, Tax & Compliance · Updated 16 October 2026 At a glance Quick answer: the standard UK…