Sarah Jayne Carter

Part of Omnicom Group, Inc., Omnicom Management Europe provides marketing communications services. The company is based in London, UK.

TBWA/London Ltd. operates as an advertising agency. The company is headquartered in Westminster, the United Kingdom.

Fleishman Hillard Group Ltd. is an investment holding firm. The company is headquartered in London, the United Kingdom.

Promise Corp. Ltd. provides online marketing consulting services. It specializes in co-creation, branding, insights, innovation, and strategy consulting. The company was incorporated on September 19, 2003 and is headquartered in London, the United Kingdom.

Part of Omnicom Group, Inc., Omnicom Europe Subholdings Ltd. functions as an investment holding British company. The company is based in London, UK and was founded in 2016.

Part of Omnicom Group, Inc., Omnicom International Finance operates as a holding British company that provides advertising and marketing services through its subsidiaries. The company is based in London, UK and was founded in 2005.