Key People

MGA logo


The MGA Senior Management Team Collectively Have Over 100 Years Industry Experience, 51 of Which Is With MGA


Sean McGarry Cropped

Sean McGarry

Managing Director

Sean established MGA in 1996. He has 34 years construction industry experience across all sectors. He has worked for both professional Quantity Surveying practices and construction companies in Australia and overseas. Sean is a qualified commercial arbitrator and considers Contract Management as one of his key strengths.

Contact Sean via email at

Dean Hayes - Director

Dean Hayes


Dean joined MGA in 2004 and became a Director in 2005. He has 24 years’ construction industry experience, both in the UK and Australia, across all sectors. Dean is a member of the AIQS and the RICS and considers Estimating and Contract Management as two of his key strengths.

Contact Dean via email at


Stuart Randall

Associate Director

Stuart joined MGA in 2007. He has worked as a Quantity Surveyor for 26 years in the construction industry – 18 years in the United Kingdom & 8 years in Australia. His experience includes working for major blue chip clients, major construction companies & localised subcontractors. Stuart considers contract management as one of his key strengths.

Contact Stuart via email at

Gary Wilson - Associate Director

Gary Wilson

Associate Director

Gary joined MGA in 2007 and has 28 years’ experience in the construction industry in both the United Kingdom and Australia across most industry sectors. His experience includes working on site in senior contract management roles and providing estimating support. He considers Estimating and Contract Management to be two of his key strengths.

Contact Gary via email at