Contractors in Cambridge and Nottingham

IR35, also called the off-payroll working rules, affects contractors who provide services through an intermediary, usually a personal service company.

The rules are designed to ensure that someone who would have been an employee without the intermediary pays broadly the same Income Tax and National Insurance as an employee. IR35 can be complex, and an incorrect decision may create unexpected tax liabilities.

Inside or Outside IR35

A contract is inside IR35 when the working relationship is effectively employment for tax purposes. The fee-payer will normally deduct Income Tax and employee National Insurance through PAYE. The deemed employer may also have to pay employer National Insurance.

This treatment does not automatically give the contractor employment rights.

Outside IR35 means the engagement is genuinely business-to-business. The contractor’s company is generally paid without PAYE deductions and remains responsible for its company accounts, Corporation Tax, payroll and Self Assessment obligations.

Who Decides the IR35 Status?

For public-sector organisations and most medium or large private-sector clients, the client usually decides the contractor’s employment status. It should issue a Status Determination Statement explaining its decision.

Where the private-sector client qualifies as small, responsibility normally remains with the contractor’s intermediary.

IR35 applies separately to each engagement. A contractor can therefore have one contract inside IR35 and another outside it.

How Is IR35 Status Assessed?

HMRC considers the contract and the actual working arrangements. Important factors include:

• Control: Who decides how, when and where the work is completed?
• Substitution: Can the contractor genuinely send a suitably qualified replacement?
• Mutuality of obligation: Must the client offer work, and must the contractor accept it?
• Financial risk: Does the contractor correct mistakes at their own cost or provide equipment?
• Integration: Is the contractor operating independently or as part of the client’s organisation?

No single point normally determines the result. A well-written contract will not protect the parties if their working practices tell a different story.

Managing IR35 Risk

Review every engagement before work starts and again if the contract or working arrangements change. Keep contracts, correspondence, invoices and evidence showing how the services were delivered.

Contractors in Cambridge and Nottingham should understand the tax position before agreeing rates, as an inside-IR35 role can significantly affect take-home pay.

Professional advice can help contractors and businesses review working practices, understand a Status Determination Statement and identify potential risks before they become expensive problems.