Norwich Union was the name of insurance company Aviva's British arm before June 2009. It was originally established in 1797. It was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index.On 29 April 2008, Aviva announced that the Norwich Union brand would be phased out and disappear over a period of two years, on the grounds that a consistent Aviva brand would bring "global impact". On 1 June 2009, Norwich Union was rebranded as Aviva.