Company
Company
| Company Name | Leach, Inc. |
| Established | November 13, 2024 |
| Representative | Takuya Tominaga, CEO |
| Capital | 4,000,000 JPY |
| Location | Fudano-tsuji Square 9F, 5-36-4 Shiba, Minato-ku, Tokyo 108-0014, Japan |
| Business |
|
| Banks | Mizuho Bank, Aoyama Branch / GMO Aozora Net Bank |
Access
4 min walk from JR Tamachi Station / Direct connection from Toei Mita Station

Company Deck
View Leach Inc.'s company introduction materials.
History
November 2024Established in Minato-ku, Tokyo with capital of 4,000,000 JPY
December 2024First contract received from listed company (Japan Joint Solutions Co., Ltd.)
December 2024First Generative AI development project received
February 2025First press release published
March 2025First speaking engagement as Leach (at Setouchi-i-Base, Kagawa Prefecture's incubation facility)
March 2025Corporate site renewal
April 2025Office relocation (Fudano-tsuji Square 9F)
June 2025Started offering Leach Generative AI Advisor, first contract for Leach Generative AI Advisor obtained
September 2025Presented on Generative AI agent development at Japan Society for Software Science and Technology, a renowned information science society
September 2025First donation made as Leach
September 2025Selected for TOKYO Startup Station's acceleration program "Practical Support Phase"
October 2025Completed development of Generative AI educational video materials and started sales with partner social insurance labor consultant
January 2026Released Totsugo (突合.com)
February 2026Released Saturn
Awards
Business Partners
Customers
(Titles omitted, companies with publication permission)
Japan Joint Solutions Co., Ltd. (6862)Minato Holdings (TSE Standard) Group
Japan Society for Software Science and TechnologyOne of Japan's largest CS academic societies
MENTA Co., Ltd. (4484)Lancers (TSE Growth) Group
Rikiman Co., Ltd.Steel fastening hardware manufacturer
Adguild Japan Co., Ltd.Large-scale event planning & advertising PR
Mizunara Inc.AIIT (Tokyo Metropolitan University) certified university venture
Suppliers
(Titles omitted, companies with publication permission)
Shirakawa Online
Professional & Parallel Career Freelance Association
