Yes, you must operate through a limited company or a similar intermediary, like a partnership, to work outside IR35. The off-payroll working rules exclusively apply to engagements where an intermediary sits between the worker and the hiring organisation.
Without a limited company, the legal concept of an outside IR35 status cannot apply. Sole traders do not fall under the scope of IR35 legislation, but they face strict scrutiny under separate direct employment status and agency tax rules. Operating through your own Personal Service Company (a colloquial term for a one-person company) is therefore the typical mechanism used for safely accessing and executing outside IR35 assignments.
Can a sole trader be classified as outside IR35?
No, a sole trader cannot receive an outside IR35 determination because IR35 rules only apply to engagements involving an intermediary. Sole traders are instead assessed using standard employment status principles.
According to official GOV.UK guidance on off-payroll working, the legislation targets relationships where services are provided through a company in which the worker has a material interest. If you choose to work without an intermediary, your client must assess your contract under different legislation, using the same rules for discerning whether the engagement is employed or self-employed for tax purposes. Data from market surveys indicates that up to 85% of corporate hirers mandate that their contingent workforce operate through a limited company structure to maintain clear corporate boundaries. Using a limited company provides the legal framework required for a definitive off-payroll determination.
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