Gaia South has served diverse clients across varying industries, including the following:

Real Estate Development: SM Holdings, Inc.; Belle Corporation; Manila Southcoast Development Corporation; DMCI Project Developers, Inc.; Filinvest Land, Inc.; Fort Bonifacio Development Corp.; Philippine Realty Holdings, Inc.; Federated Realty Corporation; G&W Architect, Engineers, Project Development Consultants; SP Castro and Associates; VJ Properties; Gorgeous Holdings, Inc.; A&E Holdings, Inc.

Power: DMCI Power Corp.; DMCI Masbate Power Corp.; Trans Asia Power Generation Corporation; Sabah Shipyard SDN BHD; Sem-Calaca Power Corp.; Panay Power Corp.; Sunrise Power Corp.; Ogden Quezon Power, Inc.; Orca Energy, Inc.; Philippine National Oil Corporation; Emerging Power, Inc.; PowerSource Philippines, Inc.

Mining and Ore Processing: Filminera Resources Corporation; Climax Arimco Mining Corporation; Rio Tuba Nickel Mining Corporation; Taganito Mining Corporation; Nihao Mineral Resources Corporation; Marcventures Mining and Development Corp.; DMCI Holdings, Inc.; Hinatuan Mining Corp.; Cagdianao Mining Corp.; SR Metals, Inc.; Cordillera Exploration Co., Inc.; MRL Ltd.; Ausenco Ltd; Mt. Labo Exploration and Development Corp.; Coral Bay Nickel Corporation; Taganito HPAL Nickel Corporation; Unichamp Mineral Philippines, Inc.

Cement Industry: Fenway Resources Ltd. (Canada); Lloyds Richfield Industrial Corp.; Pacific Cement Corporation; Republic Aggregates Co., Inc.; Apo Cement Corporation; Eagle Cement Corporation; Fortune Cement Corporation; Mindanao Portland Cement Corporation; Pangasinan Cement Corp.; Lo-oc Limestone & Development/Southwestern Cement Corp.

Light to Heavy Industries, Petrochemicals, and Manufacturing: Lexmark International (Phils.); Geologistics, Inc.; Philippine Sinter Corp.; First Philippine Pipeline, Inc.; PNOC Petrochemical Development Corp.; Enomoto Philippine Manufacturing, Inc.; Fujihiro Phil., Inc.; Sojitz Philippines; Philippine Phosphate Fertilizer Corp.

Telecommunications, Port and Transport Terminal, and Reclamation Projects: Manila North Harbor; Public Estates Authority (now Philippine Reclamation Authority); Eastern Telecommunications, Inc.; AGP Port Services.

Institutional Development: Ateneo De Manila University; Far Eastern University; St. Lukes Medical Center; New Medical City Professional Service Inc.; NYK-TDG; Pamantasan ng Lungsod ng Maynila.