David Mervyn Buonaguidi

Accenture Song Brand UK Ltd. operates as an independent communications agency. It focuses on producing creative and impactful communications for clients including the BBC, Air New Zealand, Iceland, and Honda. The company was founded on January 20, 1998 and is headquartered in London, the United Kingdom.

Karma Communications Group Ltd. engages in the provision of operations and management services. The company was founded on May 4, 2011 and is headquartered in London, the United Kingdom.

Channel Four Television Corp. provides television broadcasting services. It finances and distributes films such as Dogma, Croupier and Motorcycle Diaries. The company was founded in 1990 and is headquartered in London, the United Kingdom.

St. Luke's Communications Ltd. provides advertising services. It produces television, radio, and print campaigns for clients such as BT, Clark's shoes, and IKEA. It has offices in London, Paris, Stockholm, and India. The company was founded in 1995 and is headquartered in London, UK.

Chiat Day Advertising Agency is a British company led by management.

WCRS & Co. Ltd. provides advertising services including designing and executing marketing campaigns for broadcast and print media. It also provides allied services through a network of specialist agencies, including element (communications planning) and personal (direct marketing). The company was founded in 1979 and is headquartered in London, the United Kingdom.

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