Quidkit

Guides

Plain-English explainers, each linked to the calculator that puts it to work.

The 60% tax trap explained

Why earning between £100k and £125,140 can cost you 60p in every extra pound — and what to do about it.

Should I overpay my mortgage or invest?

A simple way to compare guaranteed interest saved against potential investment returns.

Salary sacrifice, explained

How giving up salary for pension can cut both your tax and National Insurance.