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.
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Plain-English guides to UK Corporation Tax and CT600 filing.
CT600 for Amazon/eBay Sellers: E-commerce Corporation Tax Guide 2026
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.
CT600 for Property Companies: Landlord Corporation Tax Guide 2026
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.
CT600 for Contractors and Freelancers: Complete Tax Filing Guide 2026
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.
Filing CT600 Without an Accountant: Is It Safe? A Step-by-Step Guide
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 CT600 Filing: Can You File Corporation Tax Through Xero?
Xero does not file CT600 returns. Learn what Xero does for corporation tax and how to pair it with Taxpipe for affordable CT600 filing.
TaxCalc vs Taxpipe: Which CT600 Software Is Better in 2026?
Honest head-to-head comparison of TaxCalc vs Taxpipe for CT600 filing. Features, pricing, ease of use — which is right for your company?
CT600 Box-by-Box Guide: Which Boxes Do You Actually Need to Fill In?
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.
Do I Need to File a CT600 If My Company Made No Profit?
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.
What Happens If You Miss the CT600 Deadline? Penalties, Interest & How to Fix It
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.
How Much Does CT600 Filing Cost? Accountant vs Software vs DIY (2026 Prices)
Compare CT600 filing costs in 2026: Taxpipe at £59 vs accountants at £200-500+ vs HMRC's free service (closed 31 March 2026). Real prices, real scenarios, real savings.
CT600 Filing for First-Time Directors: Complete Beginner's Guide
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.