Self Assessment Systems Ltd

Self Assessment Systems Ltd

We are an accountancy practice based in Witney, Oxfordshire offering a full range of services primarily aimed at micro and small sized businesses.

With over 40 years experience, we offer a wide range of accountancy services including:

  • Final accounts preparation
  • Tax
  • VAT
  • Payroll services

We aim to reduce the burden of financial reporting on small businesses by providing:

  • Accountants that are on your side
  • Fixed fees
  • Individual service
  • Helpful and friendly advice
  • Explanations in plain and simple english
  • A team member will always take your call
  • No automated telephone answering service

The majority of our clients are from the recommendation of existing clients.

We offer a friendly personal and efficient service to our clients.

Our rates are competitive and our quality of service is even better.

If you are looking for an affordable and professional accountancy service then we hope to hear from you soon.


Are we the right fit for you?


We specialise in sole traders, micro and small businesses and we have lots of experience in the Construction Industry Scheme (CIS).

Micro businesses are those which meet two out of the following criteria:

  • Turnover less than £632,000
  • Balance sheet total less than £316,000
  • Fewer than 10 employees

Small businesses are those which meet two out of the following criteria:

  • Turnover less than £10.2m
  • Balance sheet total less than £5.1m
  • Fewer than 50 employees