Corporation Tax Refund: How to Claim Back Overpaid Tax from HMRC
How to claim a corporation tax refund from HMRC. Covers overpayment, amended returns, loss carry-back, and how long refunds take.
Plain-English guides to UK Corporation Tax and CT600 filing.
How to claim a corporation tax refund from HMRC. Covers overpayment, amended returns, loss carry-back, and how long refunds take.
Free CT600 filing software compared. What happens when HMRC stops free filing in March 2026 and what to use instead.
Corporation tax for startups. Registration, deadlines, expenses, R&D relief, first CT600 filing, and mistakes to avoid.
Find out whether your limited company needs to file a CT600 Corporation Tax return with HMRC. Covers dormant companies, new companies, losses, and exemptions.
HMRC free CT600 filing ends 31 March 2026. Compare the best alternatives by price, features, and ease of use.
What happens to your CT600 when you change your accounting period? Guide to the rules, restrictions, and filing implications.
Company struck off or dissolved? You may still owe corporation tax. When a final CT600 is required and how to restore a company.
Non-UK company with UK activities? When you must register for corporation tax, file a CT600, and what counts as a permanent establishment.
How company cars affect corporation tax. Capital allowances for cars, benefit in kind rules, and CT600 treatment.
CT600 vs Self Assessment: the key differences between company tax returns and personal tax returns. Who files which and why.
How IR35 status affects your CT600. Practical guide for contractors filing corporation tax — inside IR35, outside IR35, or mixed.
Received an HMRC enquiry about your CT600? What triggers enquiries, your rights, what HMRC can ask, and how to respond.