12 Seed-stage startups in Japan
12 Seed-stage startups in Japan with 15 founders and decision-makers, led by Tokyo. 1 verified founder emails. Updated 2026-10-11.
Key findings
- FindMeMail tracks 12 Seed-stage startups in Japan, with 15 founders and decision-makers listed.
- Tokyo is the top city, with 6 of them (50%), followed by Chiba-shi (1).
- The most common team size is 1-10 employees (67% of companies).
- 9 (75%) were founded in the last three years.
- 1 companies (8%) have at least one verified founder email, 1 verified emails in total.
Breakdown
Top cities
- Tokyo: 6 (50%)
- Chiba-shi: 1 (8%)
- Nakanoku: 1 (8%)
- Kita-nagano: 1 (8%)
- Marunouchi: 1 (8%)
- Konan: 1 (8%)
- Ibaraki: 1 (8%)
Team size (employees)
- 1-10: 8 (67%)
- 11-50: 3 (25%)
- 1001-5000: 1 (8%)
Founded (last 10 years)
- 2022: 1 (8%)
- 2023: 1 (8%)
- 2024: 3 (25%)
- 2025: 5 (42%)
- 2026: 1 (8%)
Recently added Seed-stage startups in Japan
- Recept — Tokyo, Japan: Recept is a software company that develops information management apps for educational institutions and business promotion services.
- ONE — Tokyo, Japan: ONE is a tech startup that primarily creates and operates consumer apps.
- BioPhenoMA — Tokyo, Japan: BioPhenoMA develops an AI-powered platform for detecting ultra-trace proteins that helps accelerate new drug discovery phases.
- Spiral — Tokyo, Japan: Spiral develops autonomous drone flight systems capable of operating in non-GPS environments.
- SIGQ — Ibaraki, Japan: SIGQ provides "reliability design" that goes beyond mere operations through incident response support.
- NOVAPRO — Tokyo, Japan: AI-driven mobile investment platform designed to make sophisticated asset management and investing accessible to everyone.
- Dairii — Konan, Japan: Dairii is an insurance company that automates P&C insurance operations to improve efficiency and customer experience.
- Andes — Tokyo, Japan: Andes is the operator of the cross-border e-commerce platform J-Planet, specializing in exports.
- Yaqumo — Marunouchi, Japan: Yaqumo is a developer of neutral-atom quantum computing technology enabling scalable, fault-tolerant quantum computing systems.
- SYN-ROBOTICS — Kita-nagano, Japan: SYN-ROBOTICS specializes in developing AI-powered agricultural robots that helps in field cultivation and management.
- Qureka — Nakanoku, Japan: Qureka is a EdTech platform that uses AI to transform learning focuses on leveraging technology to enhance knowledge accessibility.
- LUMAS K.K. — Chiba-shi, Japan: LUMAS K.K. is a laser technology business that focuses on developing AI-powered smart equipment for the laser manufacturing industry.
Browse and filter all 12 companies
Frequently asked questions
How many Seed-stage startups in Japan are there?
FindMeMail currently lists 12 Seed-stage startups in Japan with at least one founder or decision-maker identified. The count updates daily as new companies are added.
Where are most Seed-stage startups in Japan based?
Tokyo (6), Chiba-shi (1), Nakanoku (1).
How do I contact founders of Seed-stage startups in Japan?
1 verified founder emails are available for these companies on FindMeMail. Create a free account to get 50 free reveals, then buy one-time credit packs from $12.
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Methodology: counts include companies in the FindMeMail database with at least one identified founder or decision-maker. Data refreshes automatically as new companies are added.