Please note that our team are partially working from home to help prevent the spread of coronavirus. In the event you experience any difficulties in contacting Qdos via telephone, please email [email protected] and a member of the team will return your call as soon as possible. Until further notice, our contact hours are reduced to 8:30-18:00 Monday-Friday. We apologise for any inconvenience caused. Click here to find out more.

Feefo Gold Merchant

IR35 Advice Centre


How to Survive an IR35 Enquiry

How to Survive an IR35 Enquiry
Contact Qdos Contractor:0116 269 0999

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Learn how to tackle a complex IR35 enquiry, giving you a deeper understanding of the intricacies of an IR35 enquiry, as well as insights with real life examples, current statistics, and what to avoid.

Statistics and real-life case studies

The process of an investigation

Common pitfalls in an IR35 enquiry

Real questions asked by HMRC

Upper level contracts, the importance of evidence, and more... 

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The Company


About Us

Why Qdos?


Qdos Contractor are one of the leading providers of specialist contractor insurance services in the UK. Our online application process takes only a matter of minutes with all documentation issued instantly. Unlike many other brokers, we don’t hide our premiums until you've provided your details, as we are confident that our premiums, service and product are the best in the market. In addition, Qdos Contractor is one of the leading authorities on the IR35 legislation and have handled well over 1,500 IR35 enquiries on behalf of UK contractors.


Our History


Qdos began in 1988 as a tax consultancy business and has grown significantly over the past two decades, providing expert business services, products and advice. Over the years, Qdos has grown in both size and reputation as a trusted contractor insurance broker as well as an expert tax advisor. Our aim is to provide UK contractors with the assistance and service with IR35 issues they need as well as sustaining excellent quality and competitive premiums in the contractor insurance market.

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