McGuinness has sometimes been called the 5th member of U2 and was responsible for their 3D concert films, branded iPods, the first live streamed concert on YouTube, and more. He has also managed Paddy Casey and is the manager of PJ Harvey and The Rapture. Paul McGuinness is a founding partner of TV3. He has executive produced many U2 concert films as well as the 2017 TV series Riviera. He is also co-founder of Celtic Heartbeat which is a part of Universal Records.