How to Correct a CT600 Mistake: Amending Your Corporation Tax Return
Made an error on your CT600? Learn exactly how to amend your corporation tax return, HMRC time limits, penalties for mistakes, and how to fix common CT600 errors step by step.
Plain-English guides to UK Corporation Tax and CT600 filing.
Made an error on your CT600? Learn exactly how to amend your corporation tax return, HMRC time limits, penalties for mistakes, and how to fix common CT600 errors step by step.
Complete guide to filing CT600 for Amazon, eBay, and e-commerce sellers operating through a limited company. Covers stock valuation, platform fees, VAT interaction, international sales, FBA considerations, and step-by-step filing instructions.
Complete guide to filing CT600 for property investment companies. Covers rental income reporting, mortgage interest deductions, capital allowances on furnishings, property disposal gains, and step-by-step filing instructions for buy-to-let landlords.
Complete guide to filing your CT600 as a contractor or freelancer operating through a PSC. Covers IR35 implications, dividend vs salary tax efficiency, expense claims, and step-by-step filing instructions.
Can you safely file your CT600 without an accountant? Yes for simple companies. When DIY filing is safe, when to get help, and how to do it step by step.
Xero does not file CT600 returns. Learn what Xero does for corporation tax and how to pair it with Taxpipe for affordable CT600 filing.
Honest head-to-head comparison of TaxCalc vs Taxpipe for CT600 filing. Features, pricing, ease of use — which is right for your company?
A plain English guide to the CT600 boxes that matter for small companies. Learn which boxes to fill in, which to skip, and how to avoid common mistakes.
Yes — even if your company made no profit, you almost certainly need to file a CT600. Learn about nil returns, dormant companies, and how to file for £59 + VAT.
Missed your CT600 deadline? Learn the exact HMRC penalty structure — £200 initial then 10% and a further 10% for filing dates from April 2026 — how late payment interest works at 7.75%, and the steps to fix it fast. Plus how to appeal.
Compare CT600 filing costs in 2026: Taxpipe at £59 + VAT vs accountants at £200-500+ vs HMRC's free service (closed 31 March 2026). Real prices, real scenarios, real savings.
Never filed a CT600 before? This step-by-step guide explains everything first-time directors need to know — deadlines, documents, iXBRL, and how to file for £59 + VAT.