COMPANY
Company Profile
About Leach, Inc. — a generative-AI-focused startup helping SMEs raise productivity.
Corporate Information
| Name | Leach, Inc. |
|---|---|
| Established | November 13, 2024 |
| Representative | Takuya Tominaga, CEO |
| Location | Fudanotsuji Square 9F, 5-36-4 Shiba, Minato-ku, Tokyo 108-0014 |
| Business |
|
MISSION
Free people from every inefficiency, and power Japan as a nation built on technology.
VISION
A society where humanity focuses on sales and R&D — not paperwork.
VALUES
Think where the work happens. Build first, show it working. Be loved by the shop floor and the boss alike.
ORIGIN OF NAME
Why we are called "Leach"
Leach carries three meanings. It stands for “leach,” to permeate daily life; the founder's otitis media with effusion, something that “leaches”; and “Reach,” delivering into customers' hands.

Leadership
The CEO and CPRO drive Leach's business together

Takuya Tominaga
CEO
Spent 9 years at Toshiba's Software Engineering & Technology Center, covering HDD firmware development, cloud infrastructure design, and data analytics platforms. Worked on joint projects with Google and McKinsey. Earned all 12 AWS certifications in about a month. Founded Leach, Inc. in November 2024.

Alain Mimeault
CPRO (Chief Product & Relations Officer)
Graduate of the University of Ottawa, Canada. Over 20 years in English education and cross-cultural communication in Japan. Native in English and French. As presenter, contributed to winning the VoiceOS award at Builders Weekend 2026. Leads overseas expansion and investor relations.
CEO MESSAGE
Message from the CEO

CEO, Leach Inc.
Takuya Tominaga
I write code seventeen hours a day. I wrote down why.
History
Nov 2024
Founded
Dec 2024
First listed-company contract
Apr 2025
Moved to Fudanotsuji Square
Jun 2025
AI Advisor service launched
Sep 2025
JSSST invited talk
Mar 2026
c0mpiled-7 engineering award
Jun 2026
Selected for Minato LABIC
Major Awards
Engineering, academic, and YC-recognized hackathon awards
Jun 2026
Selected for Minato City Acceleration Program "LABIC"
Mar 2026
c0mpiled-7 Most Impressive Engineering Lift (YC-recognized)
Mar 2026
Builders Weekend 2026 Tokyo VoiceOS Award (co-hosted by Digital Garage, 205 participants)
Sep 2025
JSSST 42nd Annual Conference tutorial lecturer (Japan Society for Software Science and Technology)
2014
DICOMO2014 Best Presentation Award (1st of 293) + Best Paper Award
AWS CERTIFIED — ALL 12 CERTIFICATIONS
AWS All 12 — earned in ~1 month
CERTIFICATIONS
Academic & corporate awards
- DICOMO2014 Best Presentation Award (1st of 293)
- DPSWS2014 Best Poster Award
- UTokyo × Toshiba AI Engineer Program commendation
- Toshiba AI Engineer Program certificate
- Toshiba internal CTF 2022, 5th of 68
- CTF top level 5 in all roles
Leach has a strong team of supporters
Meet the people cheering Leach on. One by one, we will be asking each of them why they became a supporter, and what they hope to see from Leach.
Clients & Partners
IT solutions company of the Minato HD group, listed on TSE Standard
Top-class Japanese manufacturer of robot protective covers and industrial bellows
Long-established construction hardware leasing company with nationwide locations
Officially recognized venture of Advanced Institute of Industrial Technology
Access
4 min walk from JR Yamanote Line Tamachi Station / Direct from Toei Mita Line Mita Station

For AI-powered ordering, invoicing, and document checks,
talk to Leach
In a free 30-minute session, we map out which tasks can be automated, the ROI, and your next move.
FAQ
Q. What does Leach do?+
We automate back-office work such as invoice checks, data entry, document comparison, and email replies with AI. We offer AI Advisor consulting, monthly services such as Totsugo.com, and custom-built AI business systems.
Q. Do you accept media interviews or speaking requests?+
Yes. For interviews and talks on generative AI adoption, business automation, AI agent development, startups, or technical advisory, please contact us via the inquiry form.
Q. Can we discuss business partnerships?+
Yes. Please send your proposal via the inquiry form — integrations with existing systems, industry-specific automation, co-selling, generative AI adoption support, and more.
Q. Can we discuss hiring or contract work?+
Yes. If there are areas where we can collaborate — generative AI, full-stack development, sales, marketing, or implementation support — please get in touch.
Start with a free 30-minute conversation
We decide where to begin together
AI, estimates, and systems. Online, in 30 minutes.

