Miedie has been in the ICT industry since the mid-seventies. After a successful career as an IT professional across various disciplines of the industry, he created and was CEO of successful technology company Time Quantum, where he grew the company from start-up to employing about 450 people and achieving revenues of R500 million per annum. Time Quantum was later sold to a JSE listed company Paracon and members of the management team. Miedie also formed and operated Property Development company, Arete Properties, following the Time Quantum sale (and the related restraint period). Arete executed a number of successful projects in the commercial and residential property space.
He formed Apexeon (Pty) Ltd in 2015 with a view to being a major player in the communications industry.