Many company cars are available for private use, but businesses should be clear about what is permitted and make sure tax, insurance and internal policy all line up.
Define permitted drivers
Partners, family members or other employees should not be assumed to be covered simply because the car is a company vehicle.
Set geographical limits if needed
Overseas use, long trips and use outside the UK may need additional documentation or insurer agreement.
Tax treatment can follow availability
Private availability can affect benefit-in-kind tax. Employment and tax advice may be appropriate where arrangements are unusual.
Be clear about fuel
Who pays for private fuel and how business mileage is reimbursed should be written down.
Tell the insurer the real use
A policy should reflect the drivers and permitted uses rather than an idealised version of how the vehicle is meant to be used.
Keep the information current. Tax, vehicle and insurance rules can change. Check current official guidance or professional advice where a decision depends on a specific rule or figure.