Seed VC · USA

WindSail Capital

Active

What they invest in

WindSail Capital provides flexible financing solutions to companies advancing energy innovation, climate tech, and sustainability — accelerating growth without unnecessary dilution. We combine deep sector expertise with creative capital structures to unlock growth for businesses that seek alternative sources of financing.

Who they back

DeepTechEnergyFood & AgCleantechSeed

Business models

saas_b2b, platform, hardware, services

Customer segments

SMB, Mid-market, Enterprise

Geography

North America, US

Recent investments

  • Revolve Labs, Inc.
  • Enelytix, Inc.
  • Eccentex, Inc.

+ 3 more deals. Score your deck to see the full investment history.

The people who write checks

4 partners on file at WindSail Capital, with the firm's email pattern for cold outreach. Score your deck (free, 30 seconds) to unlock direct contact for this firm and 47,000+ others.

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Why this firm matters for fundraising founders

WindSail Capital writes first institutional checks where the founder + early product matter more than traction. The seed market is the most dispersed segment of venture; matching to thesis (sector, stage, geography) is where most cold outreach succeeds or fails. VC Boom tracks WindSail Capital alongside 47,000+ other active investors, ranked weekly by recent-deal momentum, sector concentration, and partner activity.

At a glance

Based in
United States
Last known deal
Dec 2013
Portfolio last checked
Oct 22, 2026
Website
windsailcapital.com ↗

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