St. Augustine Gold and Copper Limited is a mining company based in the Philippines. The company is focused on the development of the King-king copper-gold project, which is located in the Compostela Valley province of the Philippines. The project is one of the largest undeveloped copper-gold deposits in the world, with estimated reserves of 5.4 billion pounds of copper and 9.3 million ounces of gold.

St. Augustine Gold and Copper Limited is a subsidiary of Nationwide Development Corporation (NADECOR), a Philippine government-owned corporation. The company was established in 2007 and has since been working on the exploration and development of the King-king project.

The King-king project is expected to have a mine life of 22 years, with an average annual production of 319,000 ounces of gold and 150 million pounds of copper. The project is also expected to generate significant economic benefits for the Philippines, including job creation and tax revenues.

St. Augustine Gold and Copper Limited is committed to responsible mining practices and has implemented various environmental and social programs to minimize the impact of its operations on the local community and environment.