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Umusun Lab
Umusun Lab is an Okinawa-based private equity and venture firm focused on early-stage domestic Japanese investments.
Umusun Lab
UmuSun Lab is a research institute founded in 2018 in Uruma, Japan. It focuses on developing business strategies and providing impact investment and management support. The institute has made 8 investments, including a Seed investment in Narrative on December 12, 2025.
General information
Firm type
Private Equity Firm
Year founded
—
AUM
Undisclosed
Location
Region
Asia
Country
Japan
City
Urasoe-shi
Corporate office
Urasoe-shi, Okinawa, Japan
Frequently asked questions
What is Umusun Lab's investment focus?
Umusun Lab operates as a private equity and venture firm targeting early-stage companies in Japan. Its investment focus centers on the domestic market, with an emphasis on opportunities tied to the Okinawan economic region. The firm does not publicly disclose sector-specific exclusions or a concentrated thesis beyond general venture-stage deployment.
Where is Umusun Lab headquartered, and why is that significant?
The firm is headquartered in Urasoe-shi, Okinawa, Japan. This location is significant because Okinawa operates with distinct economic development zones and incentives compared to Japan's main island. Umusun Lab is one of a small number of private investment firms based in the prefecture, placing it in a unique position for regional deal flow that Tokyo-based funds rarely access directly.
Who founded Umusun Lab?
The firm's founding principals are not publicly disclosed. Umusun Lab's website and available public records in Japan do not identify the specific individuals behind the firm's establishment or its current investment committee. The firm maintains a low-profile posture consistent with many regional Japanese investment offices.
Does Umusun Lab disclose its assets under management?
No. Umusun Lab does not publish an AUM figure, and no public regulatory disclosure or press report has revealed its capital base. The firm's operational scale remains undisclosed in all available public sources.
Is Umusun Lab a single family office or an asset manager?
Umusun Lab is structured as a private equity firm and asset manager, not a single family office. Public records classify it as a venture-capital entity, suggesting it manages external capital or operates pooled investment vehicles rather than serving exclusively as a family's private investment arm.
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