IR35 legislation determines whether a contractor is working as a genuine independent professional or effectively as an employee for tax purposes. If a contract falls inside IR35, income is taxed similarly to employment, reducing take-home pay and increasing compliance obligations.
Understanding your IR35 position is essential before choosing whether to work through a limited company or umbrella arrangement.
IR35 typically affects contractors working through:
Contractors working through umbrella companies are generally treated as inside IR35 automatically.
Key indicators include:
A structured compliance review helps identify whether your engagement falls inside or outside IR35.
Choosing the correct working structure affects both compliance and income. Contractors inside IR35 often benefit from umbrella arrangements, while those outside IR35 may retain advantages through limited company operation.
A compliance assessment helps determine the most suitable approach based on contract terms. Compare umbrella vs limited company options.
Early compliance checks help avoid unexpected tax exposure later.
Meridian Solutions Ltd provides structured compliance guidance for contractors working across agency and umbrella engagements.
What is IR35?
IR35 is UK tax legislation designed to determine whether a contractor is working as a genuine independent professional or effectively as an employee for tax purposes. If a contract falls inside IR35, income is taxed similarly to employment income.
Who decides if a contract is inside or outside IR35?
Since the 2021 off-payroll working reforms, most medium and large end clients in the private and public sectors are responsible for determining the IR35 status of a contractor assignment. Small end clients continue to rely on the contractor's personal service company to assess status.
Are umbrella company contractors always inside IR35?
Contractors engaged through an umbrella company are employed under PAYE and are generally treated as inside IR35 for the umbrella assignment, because the umbrella already taxes payments as employment income. IR35 status determinations are typically most relevant where the contractor works through their own limited company.
What are the main IR35 status indicators?
The main indicators include the level of client control over working practices, substitution rights within the contract, mutuality of obligation between the parties, and supervision and direction structure. HMRC and case law weigh these factors together when assessing status.
What happens if I am inside IR35?
If a contract is inside IR35, PAYE tax and National Insurance must be applied to the fee. Most inside IR35 contractors work through an umbrella company, which becomes their employer and handles PAYE payroll. Indicative take-home calculations can be reviewed using the take-home pay estimator.
Does Meridian Solutions Ltd issue IR35 status determinations?
No. Meridian Solutions Ltd is an introducer and does not issue status determinations or provide tax advice. The end client is typically responsible for the status determination statement. Contractors should seek independent professional advice where appropriate.