Mainstreet Investment
Private equitySeoul · Seed–Late Stage
Investment thesis
Mainstreet is an investment group based in Seoul spanning both private equity and venture capital. Operating through Mainstreet Investment and Mainstreet Ventures, the group backs exceptional entrepreneurs and companies across a range of growth stages, from seed through pre-IPO. Its approach emphasizes conviction, patience, and a deep understanding of what creates lasting value, pairing sector expertise with a disciplined, value-driven strategy for long-term capital deployment.
Source: firm website, verified Aug 3, 2026.
Frequently asked questions
- What stage does Mainstreet Investment invest at?
- Mainstreet Investment invests at the Seed, Series A, Series B, Series C, Growth, Late Stage stages.
- What sectors does Mainstreet Investment focus on?
- Mainstreet Investment focuses on Sector Agnostic.
- Where is Mainstreet Investment located?
- Mainstreet Investment is headquartered in Seoul, KR.
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