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 67% of its 3 investment firms focused on this sector. The most active by portfolio size are YL Ventures, Upside Partnership, and Offline Ventures.
Cybersecurity dominates the investment landscape in Mill Valley, with 67% of investment firms focused on this sector.
Last updated: 13 March 2026
Investment Firms
3
Total Investments
64
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 (67%) investing in the space. This is followed by Healthcare (2), Media & Entertainment (2), Consumer (2), Developer Tools (2).
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
29 investments
Seed, Series A
Cybersecurity, Healthcare, Media & Entertainment
Upside Partnership
Mill Valley, California, United States
18 investments
Seed, Series A
Consumer, Enterprise Software, Developer Tools …
Offline Ventures
Mill Valley, California, United States
17 investments
Seed, Series A
Media & Entertainment, Fintech, Robotics & Automation …