Investment Firms in Mill Valley, California, United States
Nestled in the Marin County region just north of San Francisco, this location serves as a quieter residential base for venture capital professionals and entrepreneurs. Its ecosystem is characterized by a focus on early-stage investments, particularly in sectors like cybersecurity and healthcare. The area benefits from its proximity to the broader Bay Area's innovation networks while maintaining a distinct, community-oriented environment.
Mill Valley, California, United States's investment landscape is shaped by Cybersecurity, with 50% of its 4 investment firms focused on this sector. The most active by portfolio size are YL Ventures, Offline Ventures, and Upside Partnership.
Cybersecurity dominates the investment landscape in Mill Valley, with 50% of investment firms focused on this sector.
Last updated: 28 April 2026
Investment Firms
4
Total Investments
74
Top Sector
Cybersecurity
Top Stage
Seed
Top Investment Sectors in Mill Valley
The most popular sector focus among Mill Valley investment firms is Cybersecurity, with 2 investment firms (50%) investing in the space. This is followed by Healthcare (2), Media & Entertainment (2), Fintech (2), Robotics & Automation (1).
Investment Stages in Mill Valley
Mill Valley investment firms are most active at the Seed stage (3 investment firms). This is followed by Series A (3), Series B (2), Series C (1), Pre-Seed (1).
YL Ventures
Mill Valley, California, United States
32 investments
Seed, Series A
Cybersecurity, Healthcare, Media & Entertainment
Offline Ventures
Mill Valley, California, United States
21 investments
Seed, Series A
Media & Entertainment, Fintech, Robotics & Automation …
Upside Partnership
Mill Valley, California, United States
20 investments
Seed, Series A
Consumer, Fintech, Enterprise Software …
Redwood Trust
Mill Valley, California, United States
1 investments
Education