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

2 results for “off-payroll”Clear search
23 February 2026

IR35 & Off-Payroll Rules: How They Affect Your Corporation Tax

How IR35 and off-payroll working rules impact your limited company CT600. Inside vs outside IR35, deemed payments, and tax implications explained.

ct600ir35corporation-taxcontractors
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.

ct600ir35contractorspsccorporation taxhmrcoff-payrollpersonal service company