
IR35 has reshaped contractor engagement in the UK — and many businesses are still unsure of their responsibilities.
What Agencies Get Wrong
- Blanket decisions
- Outdated documentation
- Not reviewing changing roles
- No evidence trails
- Using non-compliant providers
Best Practices
- Conduct role-based assessments
- Review status regularly
- Document everything
- Use independent assessments
- Maintain communication
IR35 compliance must be accurate, consistent, and documented.





