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AI does the work.
People just click "OK."
Invoice checks, Excel input, document review — AI takes over the 5–8 hours of daily admin work. Your field operations stay in human hands, just as before. All people do is click "OK" at the end, and the time drained by back-office work returns to the real business. In a free 30-minute consultation, we map out which tasks AI can take over first.
Leach's 2 Services
Plan AI usage together
AI Technology Consulting
A monthly service to plan how to use AI. We map your operations and find where AI delivers the biggest payoff.
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For companies ready to start now
Totsugo.com
SaaS that compares PDF against PDF and copies data into Excel. AI does the first pass on daily document checks such as invoices against delivery notes. From ¥100,000/month (excl. tax), free for 14 days.
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Built to fit your company
AI Business System (Custom)
Systems that large enterprises spend hundreds of millions on, tailored to your company at a reachable price — possible because of our US-style model where Leach keeps the IP. We support everything from development to operations, and even SaaS rollout.
Learn moreUse Cases by Department
We automate only the desk work — field operations stay in human hands. We review each industry's documents, approvals, and existing tools to scope it.
Manufacturing
- ・Compare POs against delivery slips
- ・AI digitizes inspection reports
- ・Automate invoice processing
Construction
- ・Check quotes against POs
- ・Smooth billing and payments
- ・Compile reports from job sites
Logistics & Delivery
- ・Auto-enter dispatch instructions
- ・AI digitizes delivery slips
- ・Automate billing and payments
Operations / Back Office
- ・Check expense receipts
- ・Manage contracts and approvals
- ・Automate internal requests
Onboarding Flow
1
Free consultation
Review workflows, documents, and current software
2
Minimal design
Choose how to start: consulting, monthly SaaS, or custom
3
Full rollout
Connect to your software and Excel and go live
Trusted Partners
AWS Certifications
All 12 earned
What happened at other companies
A 1972 manufacturer, a construction supplier, a municipal project — none with an IT department.
FAQ
Q. I don't know which service to choose＋
You don't have to choose upfront. In the free consultation we review your workflows, documents, current software, and volumes, then identify whether AI Technology Consulting, monthly SaaS such as Totsugo.com, or custom development fits best.
Q. What kinds of work can you handle?＋
Checking invoices, POs, and delivery slips; reading PDFs and emails; Excel aggregation; internal requests; email replies; and customer responses like delivery-date answers. We handle repetitive work that spans documents and software.
Q. How long until we can start?＋
Ready-to-use AI (Totsugo.com) can be running in about two weeks. For a bespoke build, we set out the scope and timeline after the first call.
Q. Can we keep using our current Excel and software?＋
Yes. We slot AI between the tools you already use — freee, Excel, PDFs, email. As you get comfortable, we gradually expand what AI handles.
Start with a free 30-minute conversation
We decide where to begin together
AI, estimates, and systems. Online, in 30 minutes.