Contact us
We welcome corrections, questions and suggestions for new calculators. The fastest way to reach us is by email:
If you're reporting a possible error in a calculation, please include the figures you entered and the result you expected — it helps us check the maths quickly.
We aim to reply within a few working days. Please note we can answer questions about how our tools work, but we cannot give personalised tax or financial advice — for that, please speak to a qualified accountant or HMRC.