Primenumber

Provider of technology and management consulting services

placeYokohama, Kanagawa Prefecture, Japan calendar_todayFounded 2015 groups50 employees language primenumber.co.jp

Social engagement

Social engagement: 2.5K social following, 10 posts in the last 12 months — below the industry typical range.

Investor mix

12 investors on record; lead investors include Coral Capital, SMBC Venture Capital, Onecapital.

Investor typeCountShare
Venture capital542%
Private equity217%
Other / undisclosed542%

Recent activity

1 Jul 2026
Event
primeNumber Meetup #2
29 Jun 2026
Event
regulatory
26 Jun 2026
Milestone
regulatory
Coming soon