Income Tax
HMRC tax checker Check you’re paying the right amount of Income Tax
HMRC tax calculator Estimate how much Income Tax and National Insurance you’ll need to pay this year
Self Assessment
Lloyd’s calculator Work out adjustments under section 107 Finance Act 2000 when filing your Self-Assessment
PAYE
PAYE payroll calculator Check your payroll calculations
Company car calculator Calculate the company car tax charge based on a car’s taxable value and CO2 rating
Statutory sick pay calculator Work out your employee’s statutory sick pay
NI Contributions Calculator Work out your National Insurance Contributions Liability
Tax Credits
Tax credits questionnaire Find out if you qualify for tax credits
Tax credits calculator Estimate of how much in tax credits you could get in total
VAT
VAT payment deadline calculator Work out the VAT payment deadline for your accounting period
EU VAT number validation Check a VAT number from any EU country to help you complete a EC Sales List (ESL)
Inheritance Tax
Inheritance Tax int calculator Calculate how much interest is due on a payment of Inheritance Tax
Inheritance Tax reduced rate See if you qualify to pay a reduced rate of inheritance tax
Inheritance Tax: grossing up Work out an estate value when legacies in a will are free of tax and other assets are tax
Inheritance Tax: guaranteed Work out an estimated market value of guaranteed annuity payments valuing deceased
Inheritance Tax: quarters Work out the number of quarters (three month periods) when Inheritance Tax is
calculator for trusts charged on a trust for certain chargeable events assets of the deceased's estate