HONG KONG--(Marketwired - Jul 3, 2013) - Colliers International has been voted by its clients as the winner of the Best Property Advisory/Consultancy in the 2013 Real Estate Investment World (REIW) Asia Awards for Excellence, the region's most prestigious awards for real estate players. They honour companies that make outstanding contributions to the Asian real estate industry, in terms of their growth, outperformance and adaptability to changing market conditions and client needs.