Kajima Overseas Asia (Singapore) Pte Ltd

Kajima Overseas Asia (Singapore), known as KOAS, is the Singapore subsidiary of Kajima Corporation, one of Japan's oldest and most established construction and engineering companies, with more than 180 years of history. From Changi Business Park, it serves as the regional hub for Kajima's building construction business across South and Southeast Asia and has been developing Singapore for more than 65 years.

The company builds commercial, residential and institutional buildings, with capability in design-and-build and in managing complex projects. Its Singapore work draws on Japanese engineering and on local teams managing large-scale works for public and private clients.

For developers seeking an international contractor with deep local roots, KOAS offers Kajima's strength, regional experience and a long Singapore track record. It suits high-quality buildings and projects where reliability and technical control are priorities.