Doing Business in Japan
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Knowledge base on doing business in Japan. Topics: visas and immigration (including the Business Manager visa 経営・管理 and the October 2025 reform), company registration (株式会社/合同会社/個人事業主), taxes, legal issues and cases, documents and procedures (banking, offices, accounting, hiring), useful links and contacts, and other business-relevant topics (culture and mentality, networking, marketing, real estate, lending, insurance).
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Accelerators, VC Funds and Investor Networking Tools
Antler Japan and other accelerators/funds, an equity-split calculator, and podcasts/reports on Japan's smaller venture market.
Japan's venture market is much smaller than the US market — by one estimate in the community, roughly 20 times smaller by capital volume. Antler Japan is a venture accelerator and cofounder residency (headquartered in Singapore) that invests up to 20 million yen for a 12% equity stake in successful teams, helps with visas, and runs several cohorts a year with English-language pitch sessions; several community members participated in a batch. 1517 Fund is a venture fund/community, and UPSIDER Capital is a venture fund associated with the Upsider corporate-card service. A shared "Investor List for Foreign Founders in Japan" spreadsheet circulated in the community (the specific link may be stale by the time it is used), and foundrs.com provides a cofounder equity-split calculator, useful when negotiating how to divide shares among cofounders. Disrupting Japan is a podcast covering venture investment and the startup ecosystem in Japan, generally painting a challenging picture relative to the US; a Minerva policy report for the European Commission covers the Japanese startup ecosystem, and ycombinator.fyi tracks problematic YC-backed founders. Source: https://www.1517fund.com/ — 1517 Fund — venture fund/community. Source: https://www.upsidercap.com/ — UPSIDER Capital — venture fund associated with Upsider. Source: https://foundrs.com — foundrs.com — cofounder equity-split calculator. Source: https://www.disruptingjapan.com/tim/ — Disrupting Japan — podcast on venture investment in Japan's startup ecosystem. Source: https://www.eu-japan.eu/minerva-policy-reports — Minerva policy report on the Japanese startup ecosystem for the European Commission. Source: https://ycombinator.fyi — tracker of problematic YC-backed founders.