B5 Capital is a family office. The one team member on file is in Los Altos, California, United States. Among the 13 companies in the known portfolio are Alinea, Zwift, Tacta Systems, Zenity, dataroomHQ and Dobby.
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Investment focus
Who to pitch at B5 Capital
B5 Capital portfolio companies (13)
- Alinea
- Zwift
- Tacta Systems
- Zenity
- dataroomHQ
- Dobby
- NumberOne AI
- Trustmi
- DeltaGen
- Neo Cybernetica
- Bonfy.AI
- Makua
- hOS
Co-investors
Funds that share portfolio companies with B5 Capital.
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About B5 Capital
The firm's listing covers sectors AI and SaaS, and focus areas AI Applications, Cloud Infrastructure, Cybersecurity and Data Analytics; known deals cluster at Pre-Seed, Seed and Series A.
The contact to approach at B5 Capital is Mark Bailey (Founder and CEO).
B5 Capital shares portfolio companies with 20 other investment firms, among them Oceans, Forward Venture Capital and Venture Forward Capital.
Frequently asked questions
What is B5 Capital?
B5 Capital is a family office whose one person on file is in Los Altos, California, United States, with a known portfolio of 13 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does B5 Capital invest in?
Listed sectors include AI and SaaS; listed focus areas include AI Applications, Cloud Infrastructure, Cybersecurity and Data Analytics. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does B5 Capital invest at?
The known deals of B5 Capital include Pre-Seed, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at B5 Capital?
One person at B5 Capital is on file, listed as a contact for the firm, with their own profile page.
How do I contact B5 Capital?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal