Boston Metal raises $75M, with Tata Steel joining, to scale its critical metals business

Boston Metal/Molten oxide electrolysis (MOE)

Boston Metal raised $75M, bringing total capital above $500M, with Tata Steel joining as a new investor. The funding scales MOE Critical Metals, which uses molten oxide electrolysis to recover strategic metals from low-grade ores and industrial waste streams for AI, electrification, and defence applications.

• Series funding of $75M with Tata Steel joining; total capital raised above $500M.
• MOE Critical Metals addresses demand for metals needed in AI, electrification, advanced manufacturing, and defence.
• Technology unlocks value from low-grade resources and industrial waste streams via electrified metal production.