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Active Pre-seed Climate Tech Investors (2026)

5 investors currently writing pre-seed checks in Climate Tech. Synthesized from live platform activity · updated September 2026.

Raising capital in the Climate Tech space requires finding partners who understand your specific market dynamics. The investors listed here are actively deploying capital and looking for high-growth opportunities with defensible competitive advantages. Pre-seed investors primarily back the founders' vision, early prototypes, and initial market validation before substantial revenue exists.
Sector: Climate Tech Stage: Pre-Seed + Geography + Check size
Jennifer Neundorfer
Jennifer Neundorfer
Climate Tech
January Ventures invests in outlier founders transforming traditional industries and processes through B2B software at the pre-seed stage, b...
Active now
SEAN O'SULLLIVAN
SEAN O'SULLLIVAN
Climate Tech · $7.0M
SOSV is the world's most active deep tech, pre-seed venture capital firm that funds amazing deep tech founders at inception—often their very...
Active now
Sumeet Singh
Sumeet Singh
Climate Tech · ₹2-4 crores with flexibility to ₹100+ crores for later-stage
Sumeet Singh is a climate-tech operator and angel investor who backs pollution-reduction and clean mobility startups. He believes climate te...
Active now
Shailesh Vickram Singh
Shailesh Vickram Singh
Climate Tech
Shailesh Vickram Singh is a veteran venture capitalist backing early-stage climate-tech startups across India and the U.S. through Climate A...
Active now
Mahavir Sharma
Mahavir Sharma
Climate Tech · $250K
Mahavir Sharma is a pioneering investor focused on early-stage startups from Tier-2, Tier-3, and Bharat markets in India. As General Partner...
Active now
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