Aviva is a multiline insurer that is listed on the London Stock Exchange. The company traces its roots back to the 17th century with the establishment of Hand-in-Hand. After the Great Fire of London, this mutual was formed to provide protection against fires. Hand-in-Hand was then acquired by Commercial Union in 1905. Over the years, Hand-in-Hand insured London landmarks such as London Bridge, the British Museum, and the Palace in Lambeth. The life insurance part of Aviva began in the