Answers · UK 2025/26
How are agency workers taxed in the UK?
Most agency workers are taxed through PAYE by the recruitment agency (or an umbrella company the agency uses), in exactly the same way as any other employee -- Income Tax and National Insurance are deducted automatically from each payment. Some agency workers instead work through their own limited company or as genuinely self-employed, which is taxed very differently and depends on their actual working arrangements, not simply the word "agency" on their contract.
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The tax treatment of agency workers in the UK depends primarily on how they are engaged, not on the fact that a recruitment agency is involved. Most agency workers are taxed as employees of either the agency itself or an umbrella company that the agency uses to process payroll, meaning Income Tax and National Insurance are deducted automatically through PAYE from each payment, using the standard £12,570 Personal Allowance and usual rates and bands, just as with any directly employed role. If you work through an umbrella company specifically, be aware that the quoted "assignment rate" from the agency is usually higher than your eventual gross salary, since the umbrella company must deduct employer National Insurance, the Apprenticeship Levy contribution and its own margin from the assignment rate before calculating your PAYE salary -- always ask for a clear breakdown showing your actual gross salary figure, not just the headline assignment rate, when comparing offers. Some agency workers, particularly in specialist or highly skilled fields, instead operate through their own personal service company (a limited company) and are subject to IR35 off-payroll working rules, which determine whether they should be taxed similarly to an employee (if judged "inside IR35") or can benefit from the more flexible salary-and-dividend structure of a limited company (if judged "outside IR35"). Genuinely self-employed agency workers, though less common under current employment law given increased scrutiny of worker status, would instead pay tax through Self Assessment and Class 4 National Insurance on their trading profit, similar to any other self-employed person.
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This answer is informational only and does not constitute financial, tax or legal advice. Figures are for the 2025/26 UK tax year. See our methodology and sources.