About this review role
J Perera (BSc Management, CIMA) is a UK-qualified accountant working in UK practice. On PayToolkit, J Perera reviews the calculation logic behind key calculators to confirm it reflects correct UK tax treatment — checking that the underlying formulas, not just the published HMRC rate tables, are applied the way a qualified accountant would apply them in practice.
This means the calculators listed below have been checked by someone with professional accounting qualifications, in addition to being built from official HMRC guidance.
Calculators reviewed
Important note
PayToolkit's free calculators are a starting point for understanding your UK tax position, not a substitute for professional advice tailored to your specific circumstances. For complex situations,
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