- Business
- Index International Group Public Company Limited operates as a consulting engineering firm primarily in Thailand, providing comprehensive engineering consultancy and architectural services. The company offers a broad portfolio including project planning; city and district planning; architectural design incorporating landscaping; detailed engineering design across structural, electrical, mechanical, transportation, sanitary, geotechnical, environmental, and water resources engineering; airport master planning; environmental studies; and program control. Additional services include feasibility studies, scale model creation, specification and technical drawings, bills of quantities, geographic information system applications, and complete design and engineering services for construction procurement and contract bidding. It also provides project management and construction supervision covering construction inputs to architects and engineers, turnkey and design-build project management, contract handling during phased construction, procurement services including expediting and quality control, schedule control, and value engineering, alongside LEED certification consulting.
The company was founded in 1983 and is headquartered in Pathum Thani, Thailand. Index International Group serves a wide range of infrastructure and construction sectors including airports, bridges and highways, buildings, dams, factories, offshore structures, ports and harbors, mass transit systems, and water supply and sanitation projects. Its client base primarily includes government agencies and private sector developers within Thailand.
Regarding recent developments, the company reported a backlog surpassing 3 billion baht as of early 2025, driving revenue growth and signaling continued expansion. It has indicated plans to pursue growth through government contract bids focused on double-track railway projects under EPC (Engineering, Procurement, and Construction) contracts, reflecting a strategic focus on large-scale infrastructure projects. The company maintains steady dividend payouts and has shown earnings improvement in 2025 compared to previous periods, indicating operational strength and financial stability. No public reports of recent mergers, acquisitions, or significant reorganizations have been noted within the last two years, though the firm continues to emphasize strengthening its project management capabilities and expanding its EPC contract portfolio.
Index International Group remains a key engineering consultancy firm in Thailand specializing in integrated design and construction management services across diverse infrastructure sectors with a strategic emphasis on government infrastructure projects and sustainability consulting services.