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Redline's Status Determination Tool - IR35

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Redline has partnered with contractor specialist Kingsbridge Contractor Insurance to create a tool to assist hirers and contractors determine whether the intermediaries’ legislation (IR35) applies to a particular engagement.

Redline's Status Determination Tool has been designed by expert tax lawyers and advisors, giving the most accurate IR35 result and guidance. Unlike other tools available, such as HMRC's CEST (Check Employment Status for Tax) tool it is fully insurable and backed by Zurich, one of the world's leading insurers.

This policy provides cover for legal defence and professional fees relating to IR35 investigation. 

What can Redline customer's expect from the tool?

With Redline's compliance team on hand to answer the questions, the tool has been designed for minimum time interference for you the customer. You'll have the ability to review all the answers and correspond accordingly until satisfied and give full approval.


The tool’s questions are mostly in a yes/no answer format which cover the contractor’s working practices for a particular engagement.

There are options to enter notes against each question which can aid future clarification. Once processed by the Redline tool, you will be told whether or not the Intermediaries Legislation (IR35) applies to this particular engagement. If determination is borderline, a Kingsbridge IR35 expert can be contacted to review the determination and guidance.

You'll have full access to the status determination, summary of answers, all relevant reports, and statements of IR35 as it relates to each employment status fact ensuring a duty of care has been undertaken.

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Redline offer knowledge-led, tailor-made recruitment programmes to suit clients’ specific needs. We adopt a ‘partnership’ approach to ensure a detailed understanding of clients’ objectives and requirements. For more information regarding how we can help your business, please contact Peter Livingstone, Director of Contracts & Interim on 01582 878852 or email