Space Forge
Space Forge is a defense tech company in Cardiff, United Kingdom, founded in 2021. It has raised $41.0M across 3 rounds, most recently a $30.0M Series A in May 2025.
Advanced materials, made in space
- Headquarters
- Cardiff
- Employees
- 11–50
- Founded
- 2021
- Business Model
- B2B
- Website
- spaceforge.com
- Total Funding
- $41.0M
- Last Round
- $30.0M Series AMay 2025
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 3 funding rounds and 9 investors for this company. The full record is or through the API.
About
Space Forge develops high-quality substrates for semiconductor applications using materials produced in space. It leverages microgravity and ultra-pure vacuum conditions to reduce defects and create higher-purity, higher-performance materials for next-generation semiconductors. Its ForgeStar platform is designed as a returnable and reusable in-space manufacturing system with the heat rejection and return capabilities needed for manufacturing.
Summary
It lists 11–50 employees. It has raised $41.0M in total across 3 rounds, most recently a $30.0M Series A round in May 2025. Investors include NATO Innovation Fund, Development Bank of Wales and World Fund.
Tech & App Stack
4 technologies & apps tracked
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Funding History
May 2025
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Funding: Grant through Series A. Amounts, valuations, and investors where available.
Investors
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