Hey Slida,
Mate i got mine from RAC, Im also heading to the mentawais in May on the Kiamana, class 1 cover which is the top cover they provide and it covers everything. It cost me $90 for 12 days of cover
Tell them that you have a company car with road side assist and they will give you 10% discount and you dont need to prove it

Which boat you going on mate?