IR35 was introduced by HMRC in 2000 to tackle tax avoidance by individuals working as ‘disguised employees’. The legislation has since undergone changes, and subsequently its implications for businesses and contractors have become more complex.
In this article, we will explore effective measures that can help businesses avoid IR35 compliance issues.
Understanding the basics of IR35
IR35 legislation aims to determine whether a contractor is genuinely self-employed or is, in fact, a ‘disguised employee’ working through an intermediary, such as a limited company. The primary concern for HMRC is that individuals should not be able to enjoy the tax benefits of self-employment while performing work duties similar to those of an employee.
To avoid falling within the IR35 scope, it is crucial to consider various factors that define a genuine contractor/business relationship. These factors include the specificity of the contract, mutuality of obligation and contractor autonomy.
Comprehensive contracts and working practices
One effective approach to minimising IR35 risks is by implementing comprehensive contracts that clearly outline the working terms and conditions. Contracts should reflect a lack of employer-like control and emphasise the business-to-business relationship between the contracting parties. Highlighting elements such as substitution rights and financial risk will help support the contractor’s self-employment status.
Determining the right contract length
IR35 compliance can often hinge on how long a contractor is engaged for a particular project. A series of short-term contracts rather than an ongoing engagement can indicate a genuine contractor status. By adopting this practice, businesses can reduce potential IR35 risks associated with long-term engagements that blur the line between self-employed and employed work.
Demonstrate financial risk and investment
Contractors should be responsible for bearing the cost of tools, equipment, training, and other business expenses. By showcasing such financial investments, businesses ensure that the contractor is not merely fulfilling employment duties through an intermediary. Ensuring independent liability for financial risks strengthens the argument for self-employment.
Flexibility and substitution rights
The right to provide a substitute is a significant factor in demonstrating contractor status. Contractors with the autonomy to send someone in their place, should they be unable to fulfil the contract personally, highlight the absence of personal service and further support independent contractor status.
Avoiding ‘part and parcel’ integration
To avoid IR35 compliance issues, ensure that contractors do not become an integral part of your organisation. Contractors working autonomously and conducting tasks remotely, where possible, rather than being fully integrated into your workforce, helps demonstrate a genuine contracting relationship.
Check employment status for tax
To assist you to identify whether individuals working for your business are considered employees or self-employed, HMRC has developed an online tool called the Employment Status Tool, which helps you to assess the employment status of your workers.
You can access the Employment Status Tool here.
Seeking expert advice
Navigating IR35 regulations can be complicated. Seeking professional advice will make sure you stay on top of the latest legislation changes, saving you time, money, and potential penalties down the line.
Get in touch to arrange a no obligation consultation to review how IR35 impacts your business.

