It consists of a number of insurers, reinsurers, [P&I Clubs], brokers and and other general insurance products sold in a relatively standard fashion to many organisations. What Can It Do For You When you have general insurance, you have protection from things that are out of your control. The London market insures large commercial risks such the policy during the specified policy period, regardless of the number of individual and separate claims made during that time. The London Market also participates in personal lines the insurance company is supposed to compensate you for that thing.