Granite Underwriting is a trading name of Acorn Insurance and Financial Services Limited (FCA registration number 311873). We are a specialist MGA who have been established since 1982 and currently place business in excess of £75m Gross Written Premium a year. We specialise in underwriting niche and non-standard Motor and Home insurance. With our experienced team of underwriters and a flexible approach we compete in areas of the market that more traditional insurers decline. Whichever of our specialist product teams you contact, we pride ourselves on taking time to understand the risk and provide you with exceptional service. In view of the specialist nature of the policies we underwrite, including those where the vehicle is the customers livelihood, we understand the need for a quality insurer partner with a premier claims service and so all of our policies are underwritten by Haven Insurance Company Limited.