af Tech Pty Ltd is an electrical contracting company that is proudly Australian owned and operated. Although the company was formed in 2005, John Gafa the managing director has been working within the electrical ASP industry as a sole trader since 1997.We're an accredited Level 1 and Level 2 authorised service provider that provides both underground and overhead electrical infrastructure services across the greater Sydney region for a vast clientele that ranges from large government bodies to private residential developers.