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Singtel and Gulf Development to build new submarine cable link

Singapore's Singtel and Thailand's Gulf Development have partnered to develop a submarine cable project amid growing regional demand for data centre and cloud computing infrastructure. The initiative aims to support the region's expanding digital economy.

LSN Malaysia · 10 September 2026

Singtel and Gulf Development to build new submarine cable link

Singtel and Gulf Development have announced plans to construct a submarine cable to enhance connectivity across South and Southeast Asia. The infrastructure project comes as telecommunications operators across the region seek to meet surging demand for data centre capacity, cloud computing services, and artificial intelligence applications.

The partnership reflects the accelerating digital transformation taking place throughout Asia-Pacific, where businesses and consumers increasingly rely on high-speed, reliable data transmission. Submarine cables form the backbone of international internet infrastructure, carrying the vast majority of transboundary data traffic between continents and regions.

Regional technology firms have intensified efforts to expand undersea cable networks in recent years, recognising the strategic importance of digital infrastructure to economic competitiveness. The Singtel-Gulf Development project is positioned to address capacity constraints and improve redundancy on key regional routes.

The two companies are among Southeast Asia's major telecommunications and infrastructure operators. Singtel, Singapore's incumbent carrier, operates extensively throughout the region, while Gulf Development has significant operations in Thailand and broader Southeast Asia. Details regarding the cable's route, capacity, timeline, and investment size were not immediately disclosed.