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Self Assessment Help At Your Fingertips


Tax Calculator

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Contact Qdos Contractor:0116 269 0999

Free Tax Calculation


Online Self Assessment Tax Calculator

We've teamed up with GoSimpleTax to provide you with free self assessment tax tools. Use this free easy-to-use tax calculator to calculate your tax return, whether you are a freelancer, sole trader, or contractor:

✔  Quick and easy way to calculate your self assessment tax
✔  Flag mistakes before incurring a fine
✔  Get tax-saving suggestions
✔  Recognised by HMRC - submit directly so you only input data once
✔  Log income and expenses on the go
✔  Integrate with popular bookkeeping platforms


Get 30% off GoSimpleTax’s award-winning self assessment tax return service with Qdos insurance cover

Simply sign up for a free GoSimpleTax account via the links provided after your purchase of Qdos insurance, and receive an email from the GoSimpleTax team with your unique discount code to upgrade for just £34.99, instead of £49.99!

Not a Qdos customer but still wish to use the service?
Click here to sign up.

Please note that discounts are not provided when using this link. Please use the unique links provided in your customer account to claim the 30% discount.



The Company


About Us

Why Qdos?


Qdos Contractor are one of the leading providers of specialist self employed 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 a leader in handling tax compliance and status issues specific for the self employed 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 self employed insurance broker as well as an expert tax advisor. Our aim is to provide the UK self employed with the assistance and service with ​tax issues they need as well as sustaining excellent quality and competitive premiums in the ​self employed insurance market.

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Need Help?


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