Alan Blunden & Co. Ltd. has been established for over 60 years. We are a general insurance broker offering consumers expert a ... dvice and competitive prices for a vast range of insurance products. As a Group we also trade as Cover4Caravans; Cover4LetProperty and; ABACUS. Cover4Caravans specialises in all types of Caravan Insurance. Cover4LetProperty specalises in Landlord and Unoccupied Property Insurance products ABACUS is our wholesale division offering Property Owner Insurance solutions to an extensive agent base. read more