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Manually calculate if your payroll software or GOV.UK calculator does not calculate your employee’s payments.
As an employer, if you provide company cars or fuel for your employees' private use, you'll need to work out the taxable value so you can report this to HMRC
Check examples to help you calculate your employee's wages, National Insurance contributions and pension contributions if you're claiming through the Coronavirus Job Retention Scheme.
Estimate your business rates by multiplying the rateable value of your business property by a multiplier value set by the government.
Use a simpler calculation to work out income tax for your vehicle, home and business premises expenses
Work out the toxic equivalency factors of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) to calculate their concentration.
Find out how to manually calculate Statutory Maternity Pay if your payroll software or the GOV.UK calculator does not work out your employee’s payments.
Use this form to work out interest and penalties for tax years ending 5 April 2004 to 5 April 2023.
How to calculate the Income Tax, National Insurance and student loan deductions due on the disguised remuneration loan charge.
Find out how much you need to put aside for your Self Assessment tax bill if you're self-employed by using HM Revenue and Customs' (HMRC's) self-employed tax calculator.
Calculate an employee’s maternity pay (SMP), paternity or adoption pay, relevant period and average weekly earnings
Use this form to work out Income Tax, interest, penalties and Class 4 National Insurance contributions for tax years ending 5 April 2010 to 5 April 2023.
Work out how much statutory holiday leave you’re entitled to as an agricultural worker
You can reduce your Corporation Tax bill through Marginal Relief from 1 April 2023 if your company’s profits are lower than £250,000.
How to calculate holiday entitlement for workers.
How to work out your taxable capital gain or loss if you are not resident in the UK and are making direct or indirect disposals of UK property or land.
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