Trading Losses & Corporation Tax: How to Claim Relief on Your CT600
Complete guide to claiming trading loss relief on your CT600 — carry back, carry forward, group relief, and terminal loss relief explained with examples.
Plain-English guides to UK Corporation Tax and CT600 filing.
Complete guide to claiming trading loss relief on your CT600 — carry back, carry forward, group relief, and terminal loss relief explained with examples.
How limited companies report capital gains on the CT600, including indexation allowance, the substantial shareholding exemption, and which boxes to complete.
All corporation tax deadlines for 2026 — CT600 filing dates, payment due dates, and penalties for late filing. Key dates for UK limited companies.
Find out whether you need an accountant for corporation tax or can file your CT600 yourself. Honest guide for UK limited company directors.
Compare every option for filing your CT600 — from accountants to DIY software — ranked by cost. Find the cheapest way to file your company tax return.
Compare Taxfiler and Taxpipe for CT600 filing — features, pricing, ease of use, and which suits your limited company best.
Step-by-step guide to setting up and using your HMRC Government Gateway account to file your CT600 Corporation Tax Return online.
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 registering for Corporation Tax after forming a limited company. Covers CT41G, UTR numbers, deadlines, and first CT600 filing.
Full 2026 calendar of Corporation Tax deadlines — CT600 filing dates, payment due dates, penalty dates, and quarterly instalment dates month by month.
How goodwill and intangible assets are treated for Corporation Tax. Covers amortisation, writing-down allowances, rollover relief, and CT600 reporting.
Complete guide to allowable limited company expenses for Corporation Tax. Covers office costs, travel, staff, professional fees, and what HMRC disallows.