Syco EntertainmenSyco Entertainment, often known simply as Syco, is a global joint venture between Simon Cowell and Sony Music Entertainment focused on the production and marketing of music, television, film and digital content. It employs a staff of more than 50 in offices in London and Los Angeles and manages a string of high-profile television and music brands through partnerships with Sony Music labels and TV production partners, most notably FremantleMedia. Cowell and Sony Music Entertainment each own 50% of the business. Retail billionaire Sir Philip Green, a close friend of Cowell, serves as an advisor to the company. Karren Brady, television personality and vice-chairman of West Ham United F.C, also serves as an advisor to the company.