Promethean Particles
Industrial-scale nanomaterials and MOFs including conductive inks for 3D printing
- CEO / Founder
- James Stephenson
- Team Size
- 50-100
- Stage
- Active
- Total Funding
- $17.1M
- Latest Round
- Grant
- Key Investors
- Aramco Ventures, Mercia Ventures, UK Government, European Innovation Council, TSP Ventures
Technology & Products
Key Products
Copper conductive inks, MOFs for carbon capture, Custom nanomaterials
Technological Advantage
Patented hydrothermal process, sustainable water-based synthesis, multi-material capability
Differentiation
Value Proposition
Worlds largest continuous nanomaterials plant enabling new 3D printing applications
How They Differentiate
Industrial scale vs lab quantities, sustainable process, copper ink for RFID (1/20th cost of silver)
Market & Competition
Target Customers
Electronics manufacturers, Solar cell makers, Environmental tech companies
Industry Verticals
Electronics, Solar, Carbon Capture, Printed Electronics
Competitors
BASF, MOFapps, NuMat Technologies
Growth & Milestones
Growth Metrics
{"founded": "2007", "investors": "13", "recognition": "WIRED Trailblazer 2025", "series_a_2024": "£8M"}
Major Milestones
2025: WIRED Trailblazer selection; Feb 2025: Experienced CEO appointed chair; Aug 2024: £8M Series A funding; 2016: Relocated to worlds largest continuous multi-material nanoparticle plant; 2007: Founded as University of Nottingham spinout
Notable Customers
Printed electronics industry, Carbon capture facilities, Nanocomposite manufacturers, Catalyst producers, Healthcare sector