HMRC sets out specific guidance regarding the application of VAT if you are in the taxi and private hire car trade. VAT Notice 700/25 – How VAT applies to taxis and private hire cars – applies.
Private hire cars include mini-cabs. The notice is relevant if you are:
The fares a driver charges to their passengers for taxi or private hire journeys are liable to VAT at the standard rate. This also includes any additional charges for things like baggage and waiting time.
Other sources of income liable to VAT may include:
Tips or gratuities voluntarily given by passengers are not regarded as payment for a supply and are outside the scope of VAT.