What sort of main insurance needs to be on the vehicle already for Car Sharing Insurance? Sophie October 17, 2019 15:52 Updated The main insurance needs to be a private, annual policy. We do not accept trade or fleet policies for the main insurance. Related articles Does the main insurance have to be with the Admiral Group? Can I earn a No Claims Bonus (NCB) with Car Sharing Insurance? Can I quote if the owner has leased/financed their car? Why won’t you cover me? What is my excess for Car Sharing Insurance? Comments 0 comments Please sign in to leave a comment.