Stephen created Collins Real Estate in 1972, which grew to be the biggest in its market before amalgamating with Harcourts in 1985. He developed the technology, systems, training and education programs that grew Harcourts from 14 offices to its present position as a market leader in New Zealand and Australia and now with more than 900 offices worldwide now represented in Hong Kong in Mainland China, South Africa, Singapore, Fiji, Indonesia and the USA conducting over 20 billion dollars in real estate sales every year. Now retired from daily involvement Stephen remains on the Board of Directors.
Stephen has been honoured with a Fellowship of both the Real Estate Institute of New Zealand and New Zealand Institute of Management. A past member of the Governing National Council of the REINZ he also represented the Real Estate Institute as a Director of Realestate.co.nz New Zealand's major Internet provider to the real estate industry.
He is a Past President, Life Member, and presently sits on the board of the Canterbury Employers Chamber of Commerce and has represented them on the Canterbury Metropolitan Urban Development Strategy Committee and the Environment Canterbury Area Committee. Stephen has been involved in a variety of Boards/Committees including Business New Zealand Executive Board and its National Committee; Lane Neave Solicitors; Syft Technologies Ltd; Christchurch Heritage Trust; and the University of Canterbury Foundation. He was also a Board member of the NZ-US Council as well as a business mentor to a number of businesses and individuals. Stephen is also a private investor in technologies and a real estate investor.