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Cornerstone (formerly Gleeds, an International Management and Construction Consultancy) was formed in 2001 and has over 100 staff comprising Project Managers, Quantity Surveyors, Engineers, Architects and Surveyors. As Cornerstone, we have maintained a significant position in the Thailand construction market place, principally by producing high quality work and advice on a repeat basis, for many major Clients. Cornerstone is a totally independent organization, with no ties to other firms or practices.