Boston Metal
Innovative metals processing
Boston, United States · Founded 2012 · $506.5M raised
- Headquarters
- Boston, Massachusetts
- Employees
- 201–500
- Founded
- 2012
- Business Model
- B2B
- Website
- bostonmetal.com
- Total Funding
- $506.5M
- Last Round
- $51.0M Convertible NoteJul 2025
- Rounds
- 8
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Boston Metal is commercializing Molten Oxide Electrolysis (MOE), an electrified tonnage metals platform technology to produce low-carbon steel from iron ore and recover critical metals from mining and industrial waste. Scalable and modular, MOE transforms metals production sustainably. Headquartered in Woburn, Massachusetts, with a subsidiary in Brazil.
Summary
Boston Metal is a Climate Tech company based in Boston, United States, founded in 2012. It has raised $506.5M in total across 8 rounds, most recently a $51.0M Convertible Note round in Jul 2025. Investors include Marunouchi Innovation Partners, Breakthrough Energy Ventures and ArcelorMittal.
Tech & App Stack
7 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Jul 2025
Sign up to see all 8 events
Funding: Grant through Convertible Note. Amounts, valuations, and investors where available.
Investors
Similar Companies
Green steel company using hydrogen and renewable electricity to decarbonize steel production. For...
Home battery and energy company that provides distributed power storage to reinforce the electric...
TAE Technologies is a fusion power company developing the most sustainable and economically compe...
Nuclear fusion energy company building the world's first commercial fusion power plant; has a 50 ...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/boston-metal"><img src="https://indexed.vc/api/badge/company/boston-metal" alt="Boston Metal on Indexed.vc" width="260" height="76" /></a>