Ecosystem Ventures — Pre-Seed VC Firm ($100K–$500K Checks)
Ecosystem Ventures is a Pre-Seed venture capital firm based in San Francisco, California investing in Climate / Energy, Developer Tools, SaaS. The firm typically writes $100K–$500K checks and has 38 portfolio companies in our records.
- Check size
- $100K–$500K
- Portfolio
- 38 companies on record
- Partners
- 1 listed
- AUM
- $500M
- Stage
- Pre-Seed
- Sectors
- Climate / Energy, Developer Tools, SaaS, Other, Consumer, Enterprise, AI / ML, Fintech, Healthcare
- HQ
- San Francisco, California
Last verified: 2026-10-14
Pre-Seed
$100K – $500K
$500M
38+ companies
1 partner
Investment Thesis
Ecosystem Ventures backs founders building infrastructure-heavy and climate-relevant software businesses at the earliest stages.
How Ecosystem Ventures invests
Ecosystem Ventures is a vc firm based in San Francisco, California. The firm invests at the Pre-Seed stage, with a focus on Climate / Energy, Developer Tools, SaaS, Other, Consumer.
Ecosystem Ventures typically writes checks of $100K–$500K per investment, backed by approximately $500M in assets under management. Our records include 3 funds raised by the firm.
Ecosystem Ventures has backed 38 companies in our records, including AstroForge, Olivela Inc., Squirro.
Partners & Team
Bruce Walker
Founder
I've lived the pressure, pushed through the failure and come out having built something meaningful. I've spent my career building international businesses. Selling into multinationals, SMEs and the public sector, working across San Francisco, London, Edinburgh and Hong Kong.
Industry Focus
Invests In
Funds
Fund III
Fund II
Fund I
Portfolio Companies (38)
Other
AstroForge
Asteroid-mining / space resources company
Olivela Inc.
Luxury marketplace / commerce company
Squirro
Enterprise search and generative AI software company
Checkbook
Payments and disbursement platform
Voyager Technologies
Space and defense technology company
CarIQ Inc.
Automotive payments / connected-car payments company
AscendArc
Company listed as current portfolio
Coronal Technologies
Technology company listed as current portfolio
ETHOS Space
Space technology company
Glid Technologies
Autonomous / mobility technology company
- •Raising at Pre-Seed? You're squarely in their sweet spot.
- •Lead with your fit in Climate / Energy, Developer Tools, SaaS — the sectors they actively back.
- •Size your ask to their typical $100K – $500K check.
- •cold outreach ok
- •Address your outreach to a specific partner, such as Bruce Walker, Founder.
- •A warm introduction beats a cold email. Get matched and request an intro.
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Frequently Asked Questions
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