Maximum National Insurance contributions calculator
If you earn income from more than employment or self-employment (including a share of partnership profit) in the same tax year, you are usually required to pay NI on each. This may result in you overpaying contributions, although it’s still possible to underpay, which could jeopardise your state pension rights.
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Planning ahead for pension salary sacrifice changes
From 6 April 2029, both employers and employees will be required to pay Class 1 NI on pension contributions in excess of £2,000 made through a salary sacrifice arrangement. What can you do about it?
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Marginal relief - responding to an HMRC nudge letter
HMRC is running a campaign to clamp down on incorrect claims for corporation tax marginal relief (MR). In what circumstances might you be challenged by HMRC and how should you respond?
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Can you claim input tax on costs linked to electric cars?
Your business intends to go green and buy new electric cars. Can you claim input tax on the purchase of the vehicles and their subsequent fuel costs? Additionally, what recent change has been announced by HMRC?
Using the calculator
The calculation required to check NI contributions can involve a number of steps. Using the minimum data our calculator works out whether you have paid too much or too little NI and produces a report you can send to HMRC to support a claim for repayment, if appropriate.
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