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Plain-English guides to UK Corporation Tax and CT600 filing.

5 results for “year-end”Clear search
23 February 2026

Company Year End: 31 March vs Other Dates — How It Affects Your CT600

Does your company year end matter for corporation tax? Yes. Here's how 31 March simplifies your CT600 filing, and what happens with other year-end dates.

ct600year-endaccounting-periodcorporation-taxfinancial-year
23 February 2026

Year-End Tax Planning: 7 Ways to Reduce Your Corporation Tax Before Filing

Legitimate strategies to reduce your Corporation Tax bill before your year-end. Pension contributions, capital allowances, salary timing, and more.

corporation-taxtax-planningyear-endsmall-business
23 February 2026

Changing Your Company Year End: CT600 & Tax Implications

How changing your accounting reference date affects your CT600 filing. Short periods, HMRC notification, and tax planning opportunities.

ct600year-endaccounting-periodcorporation-tax
21 February 2026

Corporation Tax Year-End Planning: 12 Tips

Reduce your corporation tax bill before year end. 12 practical planning tips for UK limited companies — from pension contributions to capital allowances and loss relief.

corporation taxyear-end planningtax planninglimited companyallowable expensescapital allowancespension contributions
21 February 2026

Changing Your Company's Accounting Period: How It Affects Your CT600

What happens to your CT600 when you change your accounting period? Guide to the rules, restrictions, and filing implications.

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