Mark owned two successful real estate agencies before becoming the state manager for LJ Hooker for five years. Mark then owned the master franchise for Raine & Horne for nine years, and in 2011, established Realestimations, which provides consultancy, advisory and brokerage services exclusively for the real estate industry. These services have been engaged by over 150 agencies across Australia for services include succession planning, business determinations, selling and buying rent rolls, and key note presentations.