Liquid Communications, which was appointed without a pitch, will work on developing the marketing of Octopus Investments' fund management business, producing a new creative framework for the brand, and redeveloping the and new business literature.
Simon Rogerson, chief executive officer of Octopus Investments, said: "Our success comes from listening to our customers, designing investment products that meet their needs and providing a level of service that we believe is unmatched within the industry."
The agency, which was founded in 1999, already handles accounts for Unilever, Danone and SAS Scandinavian Airlines.