Base is an operator-led fund. Team members are concentrated in Tokyo, Japan. Known portfolio companies include CAMPFIRE, MOSH, Instamojo, MOSH Japan and Note, 5 companies in all.
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Investment focus
Contacts
Who to pitch at Base
Base portfolio companies (5)
- CAMPFIRE
- MOSH
- Instamojo
- MOSH Japan
- Note
Co-investors
Funds that share portfolio companies with Base.
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About Base
The firm's listing covers sectors Commerce, Consumer and FinTech, and focus areas Creator Economy, E-Commerce, Marketplaces and Payments; known deals cluster at Growth, Seed and Series A.
The contacts to approach at Base are Kazuma Ieiri (Co Founder) and Yuta Tsuruoka (CEO).
Base shares portfolio companies with 20 other investment firms, among them Base Ventures, Persol Holdings and Sepio Capital.
Frequently asked questions
What is Base?
Base is an operator-led fund whose team is concentrated in Tokyo, Japan, with a known portfolio of 5 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 Base invest in?
Listed sectors include Commerce, Consumer and FinTech; listed focus areas include Creator Economy, E-Commerce, Marketplaces and Payments. 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 Base invest at?
The known deals of Base include Growth, 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 Base?
Both people on file at Base are listed as contacts for the firm, each with their own profile page.
How do I contact Base?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing 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