Magrathea

Magrathea is a cleantech and frontier industrial technology company founded in 2022 in California.

Established by chemical engineers Alex Grant and Jacob Brown, the company focuses on creating a low-carbon alternative to traditional metal extraction. Magrathea specializes in producing carbon-neutral magnesium metal and other light metals directly from seawater and brines through an advanced electrolytic process. This innovative approach aims to reduce the environmental impact of industries such as automotive, defense, and manufacturing. The company operates a pilot facility in Oakland, California, where it has successfully demonstrated its technology. Magrathea has secured over $100 million in funding from private investors and government partnerships, including a significant collaboration with the U.S. Department of Defense. Its product offerings include high-purity magnesium, rare earth materials, and electrolyzer machinery, all designed to support sustainable infrastructure and the electrification of various sectors. Magrathea is committed to enhancing supply chain resilience and promoting environmental sustainability through its mining-free metal production methods.