Cellcast PLC is engaged in production and distribution of participatory television formats and provider of telephony technology for digital entertainment sector in the United Kingdom. The company's services enable broadcasters, content developers and mobile network operators to earn profit from interactive and transactional television programming. Revenues are derived from broadcasting related activities on Sky, Freeview and Freesat channels and paid audience interaction billed through fixed line or mobile phones. Its operations are carried out in the United Kingdom from where it earns the majority of its geographical revenues.