Bonuses are treated as taxable earnings, so both employers and employees need to understand how they are taxed and reported.
For cash bonuses (including vouchers that can be exchanged for cash), the rules are straightforward. The payment is added to an employee’s normal salary and taxed through the Pay As You Earn (PAYE). This means employers must deduct Income Tax and National Insurance (Class 1) in the usual way through payroll.
Bonuses can sometimes push employees into a higher tax band for that pay period, so the net amount received may be lower than expected.
For non-cash bonuses, such as gifts or rewards, the treatment depends on what is provided. If the item is considered as something that can easily be turned into cash then it is taxed in the same way as cash through PAYE. Other benefits may instead be treated as benefits in kind. A list of typical expenses and benefits and their tax treatment can be found at https://www.gov.uk/expenses-and-benefits-a-to-z
It is important for employers to ensure they apply the correct treatment and reporting method for bonuses, as errors can lead to underpaid tax or penalties.