PROSPER
Private equityTokyo · Growth–Late Stage · 25 people tracked
Also known as PROSPER Inc.
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Investment thesis
PROSPER invests primarily in B2C small and medium-sized enterprises in Japan, focusing on tourism and lodging, sports, food and beverage, and other sectors where PROSPER and Plan-Do-See's expertise applies. The firm aims to revitalize local regions by improving portfolio companies' products, services, and workplaces. A distinctive feature is hands-on value creation: experienced Plan-Do-See members are dispatched to portfolio companies to strengthen organizational capabilities (team building) and redesign B2C customer value. The firm emphasizes building passionate co-creation relationships with founders. PROSPER is a signatory to the UN-supported Principles for Responsible Investment (PRI), reflecting its commitment to ESG-conscious, responsible investing supporting sustainable regional growth.
Source: firm website, verified Aug 27, 2026.
Team · 25 people
from the firm's websiteWhat they invest in
from 1 of 2 portfolio companiesClimate Tech ×1Crypto & Web3 ×1Energy ×1
Investments · 2 tracked
founders shown can be your intro pathCombinder operates a decentralized physical infrastructure network (DePIN) that lets households connect their distributed energy resources (DERs) such as smart devices and EV chargers to provide grid flexibility and data.
Climate TechCrypto & Web3Energy
Kai Siefert(Founder)in
Co-investorsBloom / Giesen Family Office1kxMoonrock CapitalOutlier Ventures
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Toikan
Frequently asked questions
- What stage does PROSPER invest at?
- PROSPER invests at the Growth, Late Stage stages.
- What sectors does PROSPER focus on?
- PROSPER focuses on Consumer, FoodTech, Impact & Social Good, Sector Agnostic, Sports Tech, Travel & Hospitality.
- Where is PROSPER located?
- PROSPER is headquartered in Tokyo, JP.
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