The Westly Group
Cleantech and climate venture fund investing in energy, mobility, buildings, industrial technology, and cybersecurity startups transforming foundational industries.
Menlo Park, United States · 31+ investments · 44 portfolio companies
- Headquarters
- Menlo Park, United States
- Founded
- 2007
- Website
- westlygroup.com
- AUM
- $825.0M
- Portfolio Companies
- 44
- Total Investments
- 31
- Last Investment
- Jun 2026
- Geographic Focus
- North America, United States
Investment Thesis
The Westly Group is a Venture Capital firm based in Menlo Park, United States. It has made 31 investments in Clean Tech and Cybersecurity, including Diagon, Network Perception and Sightline Climate.
Portfolio44





















Co-investors24
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24 co-investors across 59 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×17 · Corporate VC ×4 · Accelerator ×2 · 16 shared rounds
Investment History
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