Stephen John Dover

Part of Sony Group Corp., Celador Entertainment Ltd. is a holding British company with interest in businesses that provide television post production, graphic facilities, and television light entertainment production. The company is based in Kingsway, UK. The company was founded in 2006. Celador Entertainment was acquired by 2waytraffic NV on December 20, 2006.

Agenda 21 Digital Ltd. operates as a digital media agency. It specializes in paid search, natural search, content, analytics, paid media, and paid social. The company was founded by Peter Robins, Rhys Williams and Nick Suckley on August 10, 2005 and is headquartered in London, the United Kingdom.

Celador Radio Broadcasting Ltd. engages in the road broadcasting services. The company was founded on July 12, 2004 and is headquartered in Kingsway, the United Kingdom.