Business incorporation calculator
Where you run a business as a sole trader it might save tax and NI if you transfer it to a company. However, doing so has immediate and long term tax consequences.
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Who can't yet sign up for MTD IT?
Making Tax Digital for Income Tax (MTD IT) becomes mandatory from April 2026 for sole traders and landlords with qualifying income over £50,000. However, HMRC’s current guidance makes clear that not everyone can sign up yet. If you are preparing early, are you actually eligible?
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Pay self-assessment tax
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MONTHLY FOCUS - PROFIT EXTRACTION PLANNING AHEAD OF 5 APRIL 2026
The end of the 2025/26 tax year is fast approaching. In this Monthly Focus we look at ways to get money out of your company tax efficiently, and consider whether limited is still the way to go for your business.
Using the calculator
Our calculator works out the tax effects of transferring an unincorporated business to a company. It shows how much, if any, tax you can save on business profits. It also allows you to project both your and the company's tax and financial position in the four years following incorporation.







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