The BBC is probably the best known broadcasting company in the world. It is also one of the largest. It employs almost 10,000 people in London. Amongst the permanent staff many are on short term contracts and the BBC also employs a large number of freelance staff in London.
Post-production is the fastest growing area of the audio visual industry in London. It includes everything that happens to a film, television programme or advert after the cameras stop rolling to make it ready to be shown to the public.