CT600 Nil Return: How to File When Your Company Has No Trading Activity
Learn how and when to file a CT600 nil return for a dormant or non-trading company, including deadlines, penalties, and step-by-step guidance.
Plain-English guides to UK Corporation Tax and CT600 filing.
Learn how and when to file a CT600 nil return for a dormant or non-trading company, including deadlines, penalties, and step-by-step guidance.
Step-by-step guide to setting up and using your HMRC Government Gateway account to file your CT600 Corporation Tax Return online.
What are the penalties for filing your CT600 late? Understand HMRC penalty rates, interest charges, and how to avoid or appeal late filing penalties.
Buy an electric car through your company and claim 100% first-year allowance. Learn about BIK rates, capital allowances, and CT savings for EVs in 2025/26.
Find the most tax-efficient director salary for 2025/26. We explain the NIC thresholds, employer costs, and how to save thousands through your limited company.
How the Flat Rate VAT Scheme affects your corporation tax. Learn about the VAT surplus, how to report it on your CT600, and whether the scheme still saves money.
How to claim corporation tax relief on charitable donations. Covers qualifying payments, Gift Aid, non-cash gifts, and how to report donations on your CT600.
Complete 2026 guide to corporation tax for small businesses. Covers rates, allowable expenses, filing deadlines, payment dates, and tips to reduce your tax bill legally.
How is bank interest taxed for UK limited companies? Learn the CT600 treatment, reporting requirements, and how to reduce your corporation tax on savings interest.
How employer pension contributions reduce your CT600 corporation tax bill. Limits, timing rules, and how to claim the deduction for your limited company.
Which expenses can't you deduct on your CT600? Complete guide to disallowable expenses for corporation tax — entertaining, fines, personal costs, and more.
How UK companies pay corporation tax on overseas income. Covers foreign trading profits, dividends, rental income, double taxation relief, and CT600 reporting.