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.
Co-invests most often with
Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 100 co-investors found.
- 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 2026-09-06 · confidence high
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