Intelligent Salary Services

We specialise in providing consultants to recruitment agencies across the UK

We’re experts in our field and provide the most reliable payroll management and administration service available in the UK.

You get...
  • Paid on time, every time
  • The highest quality level of service possible
  • Efficiency that maximises your income
  • Full compliance with current legislation
  • Full UK tax record

Self Assessment

The tax year runs from 6 April to 5 April each year. You should determine whether or not you fall into a Self Assessment category.

Those who come under the Self Assessment guidelines are required to submit a Self Assessment Tax Return by 31 January of the following year. Some of the Self Assessment categories include:

  • High Income Earner
  • Limited Company Director
  • Property owner
  • Self-employed
  • Untaxed income
  • Investment income over a certain threshold

If you submitted a Self Assessment Tax Return for a previous year, you may be required to submit in subsequent years irrespective of whether you still fall into one of the above categories or not.

  • The UK Tax year runs from 06 April - 05 April the following year
  • Paper Self Assessment Tax returns are due by the 31 October following the end of a tax year
  • Online Self Assessment Tax Returns are due by the 31 January the following year

Please note, ISS cannot provide you with tax advice but can give you the details of a registered tax agent who will be able to help if you so wish.

Disclaimer - ISS is not able to assist you in completing a Self Assessment return and does not assume liability for any inaccurate or incomplete information, nor for any actions taken in reliance thereon. The information we have provided above is a guideline only and you should seek independent advice if you have any further questions.

Tax Refunds

Back to Tax Refunds.