Westly Group
The Westly Group is a multi-stage venture capital firm based in Menlo Park, California, founded in 2007 by Steve Westly. The firm manages over $800 million in assets across five funds, focusing on investments in the energy, mobility, buildings, industrial technology, and cybersecurity sectors. These industries represent a significant portion of the global economy, and the firm aims to partner with startups that are modernizing and decarbonizing these foundational sectors. The Westly Group invests in companies at various stages, from seed to growth, and provides capital investment along with s
Investing activity
Westly Group appears in 1 AI deal tracked by the AI Lounge deals desk, and led 1 of them. The rounds are mostly Seed, with a median round size of $6M. The most recent is Tenet Security (Seed, $6M, Jun 2026).
Westly Group most often invests alongside MizMaa Ventures, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about Westly Group
What AI companies has Westly Group invested in?
Westly Group's AI investments include Tenet Security. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Westly Group based?
Westly Group is based in Menlo Park, California, United States.
What stage does Westly Group invest at?
In the rounds tracked on AI Lounge, Westly Group has invested at Seed, with a median round of $6M. Westly Group led 1 of those rounds.
Who does Westly Group co-invest with?
Westly Group's most frequent co-investors on AI Lounge are MizMaa Ventures (1 deal).
How can founders reach Westly Group?
Founders on AI Lounge can see Westly Group's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Westly Group to their Investor Pipeline to track the conversation.