Tracy de Groose

Cancer Research UK provides cancer research services. It supports and undertakes research on the biology and causes of cancer and develops anti-cancer drugs. The firm also provides general information about cancer and types of treatments and funds projects that help patients cope with the side effects of cancer and its treatment. Its institute also operates an online portal CancerHelp UK that provides patient information. The company was founded in 2001 and is headquartered in London, the United Kingdom.

Dentsu International Ltd. engages in the provision of media advertising and digital communications services. It offers digital creative execution, content creation, media planning, sports, entertainment marketing and search engine optimization strategy, near-field communications, and marketing analytics. The company was founded on December 5, 1978 and is headquartered in London, the United Kingdom.

Dentsu Aegis Network Ireland Holdings Ltd. provides media and digital communications services. The company is headquartered in Monkstown, Ireland.

Dentsu Aegis Leeds Ltd. provides advertising services. The company is headquartered in London, the United Kingdom.

Aztec Information Services Holdings Ltd. provides media and digital communications services. The company was founded on October 25, 1978 and is headquartered in Bracknell, the United Kingdom.