Complex sentence: Riley set up his first company in 1999, a consultancy company specialising in all aspects of communications supply, quickly building a client list including Virgin Cinemas, Woolworths and CWS Travelcare.
Split into simpler sentences: Riley set up his first company in 1999, a consultancy company specialising in all aspects of communications supply. He quickly built a client list including Virgin Cinemas, Woolworths and CWS Travelcare.