What is Gulf Development Public Company Limited?

Written by Editorial Team | Last Updated: August 2026

Gulf Development Public Company Limited (formerly Gulf Energy Development PCL) is a major Thai conglomerate and holding company listed on the Stock Exchange of Thailand. Its primary business operations span electricity generation, renewable energy, telecommunications, and digital infrastructure. Founded by Sarath Ratanavadi, the company has expanded globally with significant investments in natural gas and renewable power projects in Thailand, Vietnam, the United Kingdom, and the United States. Additionally, it has a significant stake in mobile operator Advanced Info Service (AIS) and Thaicom, and it is actively expanding into digital services, including cloud computing and data centers, through strategic joint ventures.

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