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Seiho Investment Works

Seiho Investment Works

Overview

Seiho Investment Works is a venture capital firm founded in 2017 and based in Kyoto, Japan, that invests in seed and early-stage companies.

Year Founded

2017

Portfolio Companies

15

Website

siwi.info

Investments

Seiho Investment Works investments
CompanyDateStageLead
Aracan, Inc.Jun 2026Series C ExtensionCo-investor
株式会社YStoryApr 2026Early FundingCo-investor
PathosLogos Inc.Mar 2026Series BCo-investor
Bizibl TechnologiesSep 2025Early FundingCo-investor
株式会社MEMEDec 2024Series ACo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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Firmographic Details

HeadquartersKyoto
Year Founded2017

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