As said bigger companies will, just be aware that in certain countries you need not only written evidence of authority but also the V5, not having it can land you in jail, if driving in certain countries don't forget it is an arrestable offence to not have a certain amount of money for each person in the car, and that there needs to be a reflective jacket for every person carried also, along with spare fuel, fire ex, bulb set, beam benders etc the list goes on.
tabetha