This is a complicated area of taxation law and it is only possible to give a broad outline answer.
Under general taxation law some, but not all, benefits provided by the employer are taxable. Benefits provided by the employer are given a value according to Inland Revenue rules. Thus the tax payable on the benefit may be less than its full value to the employee.
Examples of benefits provided by the employer which are taxable include:
Certain benefits are exempt from taxation, providing they are available to all employees. These include:
The list is not exhaustive.
Just One More Click: Doggy drama about staying safe online at work.