CMG Cleantech S.A., through its subsidiaries, develops clean hydrogen and solar technology in Uruguay and internationally. The company offers home-building and green energy solutions, including solar power systems, battery systems, and hydrogen generator. It also provides ocean waste removal and processing solutions to individuals, companies, and government. The company was formerly known as Compagnie Mercosur Grecemar S.A. CMG Cleantech S.A. was incorporated in 2015 and is based in Paris, France.