Employment Allowance Calculator 2025/26

Use our free UK Employment Allowance Calculator to instantly check if your business, charity, or organisation is eligible to claim up to £10,500 off your employers’ National Insurance contributions for the 2025/26 tax year. Updated with the latest HMRC rules, this tool helps small businesses, limited companies, and charities see how much they can save on NI costs and understand key eligibility criteria, including the single-director rule and connected company restrictions. Quick, accurate, and compliant with HMRC Employment Allowance guidance — perfect for employers looking to reduce their payroll expenses.