Self Assessment

Professionalism and Affordability.

Self Assessment

A Self Assessments is a compulsory tax return issued by HM Revenue & Customs after the end of the tax year i.e. 5th April. This return is a declaration of your earnings throughout the financial year and must be submitted by the 31st January the following year.The constant stream of changes to tax legislation means not only that the returns are becoming more difficult to understand but also that taxpayers risk even more difficult incurring more penalties through failing to complete their returns on time or accurately.

Self-Assessment is most likely to apply to you if you are:

  • Director of the limited company
  • A higher income earner.
  • Self Employed.
  • Working through Construction Industry Scheme.
  • Receive income from land or property.

When completing the tax return you will have to include all income received in that tax year and all taxes paid

The general sources of income are:

  • Employment income (salary, benefits in kind etc.) as per the P60/P45 and P11d
  • Dividends as per the dividend vouchers.
  • Bank interest as per a statement from your bank.
  • Pension income as per your P60 from the pension provider.
  • State benefits (Job seekers allowance etc.)
  • Rental property income.

Our Fees


  • Preparing & Filling with HMRC of SA100
  • (Self-Assessment) Form
  • Additional charges may apply if you have capital gains, property income or your Self Assessment Tax Return is relatively complex.
* our rates are subject to VAT

Our Services

  • Submission of tax returns.
  • Advising you on tax allowance & tax planning opportunities that could reduce your tax payments.
  • Keeping your accounts in order and helping you to prepare for HMRC inspections.

We can act as your agent, dealing directly with HMRC on your behalf and, should you be selected for a self assessment enquiry, acting for you.

Due Dates and Deadlines

The tax year runs from 6th April to 5th April each year and this will be the period covered by the tax return. The Self Assessment Tax Return (SATR) is due by the later of 31st October and three months after the date the SATR was issued if submitting a paper return OR the later of 31st January and three months after the dare the SATR was issued if you file it online.
Late returns will incur automatic penalties, varying in size depending on how late the return is.

The penalties are as follows:

1 day late
  • 100£

3 months late
  • 10£

    £10 penalty per day, up to a maximum of 90 days
6 months late
  • 300£

    penalty or 5% of the tax due, whichever is greater
12 months late
  • 300£

    penalty or 5% of the tax due, whichever is greater