In the UK employers usually sort out taxes for you via the Pay As You Earn system. Everytime you get paid you will be issues with a payslip which shows how much

In the UK employers usually sort out taxes for you via the Pay As You Earn system. Everytime you get paid you will be issues with a payslip which shows how much you were paid before deductions (tax, student loans), a break down of the deductions and how much you earned after tax. The only tax you don't see is Employers National Insurance - this is a tax on employing someone that is around 12% of their wage.