I/o Ventures is an accelerator. Based in San Francisco, California, United States. The known portfolio counts 9 companies, including Cozy, vidIQ, Language I/O, Iron Ox, Backplane and Onefeat.
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Investment focus
Who to pitch at I/o Ventures
I/o Ventures portfolio companies (9)
- Cozy
- vidIQ
- Language I/O
- Iron Ox
- Backplane
- Onefeat
- True I/O
- Appsperse
- ApptheGame
Co-investors
Funds that share portfolio companies with I/o Ventures.
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About I/o Ventures
The firm's listing covers sectors Consumer, Hardware, Real Estate and SaaS, and focus areas AgriTech, Creator Economy, Developer Tools and HR Tech; known deals cluster at Growth, Pre-Seed and Seed.
Richard Yoo (Mentor) is listed as the contact to pitch at I/o Ventures.
I/o Ventures shares portfolio companies with 9 other investment firms, among them Joint Effects, Gutbrain Ventures and Omega Ventures.
Frequently asked questions
What is I/o Ventures?
I/o Ventures is an accelerator based in San Francisco, California, United States, with a known portfolio of 9 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 I/o Ventures invest in?
Listed sectors include Consumer, Hardware, Real Estate and SaaS; listed focus areas include AgriTech, Creator Economy, Developer Tools and HR Tech. 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 I/o Ventures invest at?
The known deals of I/o Ventures include Growth, Pre-Seed and Seed 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 I/o Ventures?
One person at I/o Ventures is on file, listed as a contact for the firm, with their own profile page.
How do I contact I/o Ventures?
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