At CAS, we provide a range of services to help you with your taxation needs. Our tax return services are electronic and comply with HMRC’s iXBRL requirements.


  • VAT - We can offer support for VAT ranging from advice through to the completion of VAT returns.
  • Corporation Tax - we prepare corporation tax returns for our non-exempt company clients, including those charities that are required to file returns.
  • Self-Assessment - we assist with the preparation of self-assessment tax returns for sole traders, partners and individuals.


Other services offered include P11D’s, PAYE reconciliations and support in HMRC investigations.