You don't need to be an 

expert to complete your

Self-Assessment tax return

Secure jargon free Tax calculator that 

submits to HMRC

Who's it for?

  • Self-employed, employed, property, pensions, non-residency and even Ministers of Religion - SimpleTax calculates them all
  • For individuals, not accountants
  • No need to be a tax expert, our software looks after that.

Accessible wherever you are

  • Access SimpleTax via laptop, PC, tablet or mobile phone
  • Download our mobile app to scan receipts and invoices direct into your self assessment return
  • Presented in a jargon-free, intuitive design.

We help you claim all your allowances

Your data is safe

  • Your data is protected by the same 256-bit bank level security
  • Your data is backed up regularly 
  • We’re trusted by partners like Which? and Listentotaxman – the UK’s most popular 
    tax website
  • We’re officially recognised by HMRC.
  • Simply enter the information we ask
  • We'll prompt you to claim all applicable allowances
  • We'll accurately calculate your return and check it for errors 
  • And, we'll submit directly to HMRC - when you 
    are ready.

"I think it is brilliant. I always found Sage too complicated but this makes everything so simple with tremendous support with all questions answered. It was easy to sign into and simple to use."
G H, Overseas User

"A new year gives me the opportunity to say how impressed I have been with all aspects of the services you provide and for the values you have set yourselves"
J C, Aberdeen

“...Thank God for services like yours"
Mr W, Glastonbury

"...very  delighted with the remarkable service. We are extremely impressed by  the presentation of figures, breakdowns & calculations... We will of course recommend it to our friends."
Mr & Mrs G H, London

"...I  just wanted to let you know that this system really works for me. I was  struggling endlessly with my last package so this is a breath of fresh  air. Very straightforward and useable. Thanks again"
Glyn, Dorset

What GoSimple Software users have to say...

 Copyright © 2017 GoSimple Software. 

SimpleTax calculates all pages of the SA100 excluding MPs and Lloyds Underwriters.

SimpleTax is registered at the Information Commissioner's' Office (Reg. No. ZA120006).
 GoSimple  Software Ltd registered company in England and Wales (No. 8793323),  with registered office at 2 Cromwell Court, Oldham, OL1 1ET, United  Kingdom.

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 Print your Tax Calculation

Download Form R40
Basic Tax Return (SA100)
Employment (SA102)
Self Employment (SA103)
Partnership (SA104)
Property (SA105)
Foreign (SA106)
Trusts (SA107)
Capital Gains (SA108)
Residency (SA109)
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Self Assessment Categorisation


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