HMRC: Providing useful information for businesses including self-employed individuals.

The Institute of Financial Accountants (IFA) is an internationally recognised professional accountancy membership body, whose members work for small and medium-sized enterprises.

Companies House: Providing information for limited companies.

HM Treasury: Practical advice for business (Gov.uk).

Independent Pension Calculator is designed to give you an ‘idea’ – a ‘pension forecast’ to put your thoughts on the right track in order for you to be able to make realistic plans for an enjoyable retirement

UK Tax Calculator 2021/22: Use this Salary Calculator for Take Home Pay Tax Calculations