WindSail Capital Group, LLC
windsailcapital.com Direct investor
WindSail Capital Group is a growth capital provider offering flexible financing solutions, typically senior secured loans, to companies in the clean energy and climate tech sectors. It focuses on Series A and B companies with revenue between $1M and $20M, primarily in North America.
WindSail Capital Group, LLC is an investor headquartered in Boston, United States. It invests directly in companies, from Series A to Series B, in energy innovation, climate tech and sustainability. Its stated cheque size is $2 million to $5 million. 40 portfolio companies, as it reports.
“WindSail Capital provides flexible financing solutions to companies advancing energy innovation, climate tech, and sustainability — accelerating growth without unnecessary dilution.”
— WindSail Capital Group, LLC, own website
- Layer
- Direct investor
- Type
- Other
- Headquarters
- Boston, United States
- Invests in
- North America
- Sectors
- energy innovation, climate tech, sustainability
- Cheque size
- $2 million to $5 million
- Portfolio
- 40 companies
Team, as WindSail Capital Group, LLC publishes it
- Ian Bowles Managing Director
- Matthew O'Rourke Managing Director
- Michael Rand Managing Director
- Andrew Chang Vice President
Names and roles exactly as listed on windsailcapital.com. Nothing else about these people is recorded.
Most shared portfolio companies with
Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 100 investors with a shared portfolio company. A shared company is not proof they invested together in the same round.
- AI Ventures Management, LLC 4 shared companies: yahoo.com, bizjournals.com, einpresswire.com, govtech.com
- At One Ventures 3 shared companies: yahoo.com, bizjournals.com, thecooldown.com
- BOLD Capital Partners 3 shared companies: yahoo.com, einpresswire.com, azbigmedia.com
- Engine Ventures 3 shared companies: bizjournals.com, bostonglobe.com, thecooldown.com
- 645 Ventures Management, LLC 2 shared companies: yahoo.com, bizjournals.com
- Armory Square Ventures 2 shared companies: yahoo.com, bizjournals.com
- Celesta Capital 2 shared companies: yahoo.com, bizjournals.com
- Congruent Ventures 2 shared companies: yahoo.com, bizjournals.com
- Defy.vc 2 shared companies: yahoo.com, bizjournals.com
- Eclipse 2 shared companies: yahoo.com, bostonglobe.com
and 90 more — the graph.
Where this comes from
Every fact above was read from a page WindSail Capital Group, LLC publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.
- https://windsailcapital.com/name, is_investor, layer, type, hq_country, hq_city, invests_in_geographies, stage_min, stage_max, sectors, cheque_size, thesis_quote, thesis_quote_page, description, portfolio_count, people, status, confidence
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Record 3210 · added 2026-09-03 · link last verified 2026-10-21 · confidence high
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