John Yiannakis Polycarpou is the Managing Director of Polyteck Building Services Ltd and has been in the trade for 45 + years. John Yiannakis Polycarpou began his career a humble Electrician in the 70s and went on to create his first company 35 years ago. John Yiannakis Polycarpou has gone on to be chairman to several companies today, one of which, (Polyteck) has a £28 million turnover.