abc self assessment

HMRC Self Assessment made easy

Simple-to-use software to submit your personal or partnership tax return
Try for free Purchase activation key

First time? See our Guide for first time users

Software for the 2018-19 tax year available now

Software for 2017-18 or previous years still available

ABC SA100 Individual tax return

  • For a better experience than the HMRC website
  • Ideal for:
    • UK taxpayers living overseas
    • Individuals with income from a trust
    • Ministers of Religion
  • £15.00 (ex. VAT) per individual

Click here for details

ABC SA800 Partnership tax return

  • Submit the tax return for a partnership
  • Partners can be sent their partnership statement to import in to their personal return
  • £20.00 (ex. VAT) per partnership

Click here for details

Recent feedback from customers

"Great, easy to use for a new self-assesor, does exactly what it says on the tin. I couldn't ask for more!”

– Chris W

"Awesome !!, really easy to use, great software for taking the pain out of my UK Tax Return, Thank you !”

– C.Ellis

"Easy to use for even the simplist of creatures! I haven't the first clue about submitting a self assessment and this was my first time without an accountant! I found it easy and self-explanatory, making a terrifying experience relaxed, simplified, straightforward and satisfying”

– GC

"this is a very easy way of submitting my return! i have tried a fee different ones that are much more complicated”

– AS

"Software easy to use, when I had a problem the employee was helpful and effective"

– G Brownbill

"simple to use for Minsiters of Religion. Highly recommended”

– Rev Bryan Kerr

Simple to use

Simple to use

  • Work through the entire form using the 'Next' button
  • The sections you need are automatically added, based on your responses
  • Omissions or errors are highlighted as you go, but you can come back to them later
  • Context-sensitive help takes you directly to the relevant part of the HMRC notes
Know where you stand

Know where you stand

  • Clear progress indicator
  • Exit the app at any time and continue where you left off
  • Displays a 'running total' of tax based on your entries so far - with a printable breakdown of how that is reached
  • Export to .pdf at any point - so you can print or share (requires activation)


  • Officially recognised by the HMRC for individual and partnership tax filing
  • Private, local install - your personal data is only stored on your computer and is submitted direct to the HMRC. No financial data is stored 'in the cloud', and data is only sent to the HMRC when you submit