Watthan Chinchai

Watthan Chinchai is a highly experienced Quantity Surveyor with over 36 years of professional practice across Thailand and international projects. He has delivered commercial and cost management services across a diverse portfolio including data centres, industrial facilities, commercial fit-out, hospitality, residential, and infrastructure developments.

He brings comprehensive expertise across the full project lifecycle, covering pre- and post-contract services such as cost planning, value engineering, bill of quantities preparation (SMM7), procurement strategy, tender management, and contract administration. His structured and disciplined approach ensures robust cost control, reliable financial forecasting, and effective budget management in complex project environments.

Watthan has been involved in a wide range of high-profile and technically demanding projects, including mission-critical facilities, luxury residential developments, hotel renovations, and large-scale mixed-use schemes. His ability to adapt across sectors and project types enables consistent delivery aligned with client objectives and stakeholder expectations.

He possesses strong technical knowledge in construction methodologies, contract frameworks, and commercial management processes, including valuation, claims assessment, and variation control. His multidisciplinary background, including architectural coordination, further enhances his ability to integrate cost, design, and construction considerations.

As an Associate, Watthan provides strategic commercial leadership, combining technical expertise with practical insight to deliver value-driven solutions. He plays a key role in supporting clients with informed decision-making, risk management, and achieving successful, efficient, and commercially sound project outcomes.