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

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22 February 2026

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.

contractors freelancers IR35 CT600 PSC corporation tax dividends tax filing

21 February 2026

CT600 for Contractors: Filing When You're Inside or Outside IR35

How IR35 status affects your CT600. Practical guide for contractors filing corporation tax — inside IR35, outside IR35, or mixed.

ct600 ir35 contractors psc corporation tax hmrc off-payroll personal service company