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File your UK Corporation Tax CT600 return online. Simple, affordable, HMRC-compliant.

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Plain-English guides to UK Corporation Tax and CT600 filing.

3 results for “utr”Clear search
23 February 2026

What Is a UTR Number? How to Find Yours for CT600 Filing

Your Unique Taxpayer Reference (UTR) explained — what it is, where to find it, how it differs from your company number, and why you need it for CT600 filing.

utrhmrcct600getting-started
21 February 2026

Company Formation & Corporation Tax Registration

Step-by-step guide to registering for Corporation Tax after forming a limited company. Covers CT41G, UTR numbers, deadlines, and first CT600 filing.

corporation-taxcompany-formationregistrationct600hmrcnew-company
19 February 2026

How to Register for Corporation Tax: Step-by-Step Guide for New Companies

Complete guide to registering your limited company for corporation tax with HMRC. Deadlines, what you need, UTR numbers, and what happens after registration.