About
s18s backs founders who are reshaping how the world moves, measures, and monetizes. We provide capital, lab access, and decades of hydromechanics know-how to build tomorrow today.
Our Approach
- Ticket sizes from $50k – $100mm, deployed in hours, not quarters.
- Hands-on technical mentorship from Stewart engineers and scientists.
- Global founder network and pilot-site introductions across the ecosystem.
Why Stewart?
Capital is common. Changing the world is rare. We speak fluid, so you can speak future.
Get in Touch
Email us at [email protected]
Subsidiaries
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