How to Amend a CT600 — Correcting Mistakes on Your Corporation Tax Return
Filed your CT600 and spotted an error? Here's how to amend your Corporation Tax return, the time limits, and what happens if HMRC finds the mistake first.
Plain-English guides to UK Corporation Tax and CT600 filing.
Filed your CT600 and spotted an error? Here's how to amend your Corporation Tax return, the time limits, and what happens if HMRC finds the mistake first.
Just set up a limited company? Everything you need to know about your first CT600 — when it is due, what to include, and how to file.
Learn how to file your CT600 corporation tax return online step by step. Plain English guide covering deadlines, common mistakes and what you need to start.
Complete checklist of records and documents needed for CT600 filing. How long to keep them, what HMRC expects, and how to organize everything.
When is your CT600 due? Your company tax return deadline is 12 months after the accounting period ends. Late filing means automatic penalties.
A jargon-free explanation of the CT600 Corporation Tax return — what it is, who needs to file one, what goes in it, and how to submit it to HMRC.