Zeroichi Capital

Zeroichi Capital is an independent venture capital firm based in Tokyo, Japan, established in 2021. The firm focuses on investing in startups across various sectors, including internet technologies, research and development, e-commerce, entertainment, deep-tech, digital health, software as a service, and artificial intelligence. Zeroichi Capital provides comprehensive support to entrepreneurs, assisting with pre-startup consultation, ideation, business planning, establishment procedures, team formation, and financing. Its primary objective is to help startups reach the Series A funding round swiftly and to facilitate their growth trajectory beyond that stage.

Ryo Taneichi

Founding Partner

6 past transactions

Sazo

Series A in 2025
Sazo specializes in constructing a global e-commerce and logistics network with AI.

Vitom

Pre Seed Round in 2024
Vitom is a FoodTech startup specializing in the production of rice cakes, a convenient and nutritious meal option. The company offers a range of flavors using familiar ingredients, catering to busy individuals seeking a balanced diet with ease and taste.

WorkCircle

Seed Round in 2024
WorkCircle is an online platform designed for professionals in the IT industry, providing an anonymous community for open discussions about careers and personal matters. The application facilitates honest conversations among employees of both foreign and tech companies, allowing users to engage in sensitive topics such as career advancement, salaries, and layoffs while ensuring privacy and security. Its features promote reliability and transparency, enabling users to connect and share insights in a safe environment.

Opt Fit

Series A in 2023
Opt Fit is a fitness industry that provides fitness, wellness and health-care services.

WorkCircle

Pre Seed Round in 2023
WorkCircle is an online platform designed for professionals in the IT industry, providing an anonymous community for open discussions about careers and personal matters. The application facilitates honest conversations among employees of both foreign and tech companies, allowing users to engage in sensitive topics such as career advancement, salaries, and layoffs while ensuring privacy and security. Its features promote reliability and transparency, enabling users to connect and share insights in a safe environment.

Opt Fit

Seed Round in 2022
Opt Fit is a fitness industry that provides fitness, wellness and health-care services.
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