Planning for your self assessment tax bill
The UK tax year is 6 April to the following 5 April. So the tax year 2011/12 ended on 5 April 2012.
You will need to complete a self assessment tax return if you are self employed or a limited company director.
Click here to read our free guide on starting a business and registering with HMRC (opens in a new window).
Although the deadline is 31 January for e-filed returns, we recommend that you complete your tax return and submit it to HMRC as early as possible. Click here to download a useful pdf tax return checklist.
A self employed person will pay both income tax and class 4 national insurance (NI) on their profits plus income tax on any other income and capital gains tax on any relevant capital gains in the tax year.
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