who are the major players in term of news providers in the uk and what exactly do they do

the sun
Keith Rupert Murdoch, AC, KSG (born 11 March 1931) is an Australian American business magnate. He is the founder and Chairman and CEO of News Corporation, the world's second-largest media conglomerate.

google
Google began in March 1997 as a research project by Larry Page and Sergey Brin, Ph.D. students at Stanford^[1] working on the Stanford Digital Library Project (SDLP). The SDLP's goal was “to develop the enabling technologies for a single, integrated and universal digital library." and was funded through the National Science Foundation among other federal agencies

bbc
BBC News is the department of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs. The department is the world's largest broadcast news organisation and generates about 120 hours of radio and television output each day, as well as online news coverage.^[1][2] The service maintains 44 foreign news bureaux and has correspondents in almost all of the world's 240 countries. Since 2004, the Director of BBC News has been Helen Boaden.