Company cars: Taxed based on CO2 emissions and list price, with specific rates for fuel and private use.

Private medical insurance: Premiums paid by the employer are taxable as a benefit, reported on P11D forms.

Interest-free loans: Tax applies to the benefit of interest saved, calculated using official HMRC rates.

Accommodation provided by employer: Valued based on rent or rateable value, with exceptions for job-related housing.

Vouchers or gift cards: Taxable as cash equivalent, including retail vouchers or credit cards for personal use.

Entertainment expenses: Rules vary; business entertainment may be deductible, but personal benefits are taxable.

Mobile phones: One mobile phone per employee is often exempt, but additional phones or costs are taxable.

Travel and subsistence: Specific rules for business travel; personal travel benefits like season tickets are taxable.

Childcare provision: Certain employer-supported childcare schemes are exempt, but others are taxable benefits.

Assets transferred to employees: Tax on market value when assets like computers are given permanently to employees.