Our Products & Services
SolutionsHere's how we solve it
We automate manual work like reconciliation, transcription, and invoicing with AI. Need a custom solution? Leave it to the AI specialists.
Start with an AI Advisor
"Where do I start?" "Is this quote fair?" — Solve these from ¥50K/month. Our CEO with all 12 AWS certs & Todai AI Award supports you directly.
Ready-to-Use AI Tools
Saturn
Order-to-Invoice Automation AI
COREC orders → freee invoices, fully automated. AI absorbs notation differences. 8hrs/day of manual entry → 10 minutes.
saturn.leach.co.jpTotsugo
Invoice Reconciliation AI
Hundreds of PDF pages × hundreds. AI does 1st check → just review highlights and smash Enter. 2hrs × 2 people → 30min × 1 person.

Industry-Specific AI Systems (β)
FactoryOS
AI System for High-Mix Low-Volume Manufacturing
From FAX order OCR to production tracking and AI drawing search. Eliminate 3hrs/day of manual entry
FestOS
AI System for Food Festival & Event Operations
Automate health permit docs, vendor communication, and payment reconciliation. 70% reduction in operational workload
BuildOS
AI System for Construction Material Leasing
End-to-end automation: receiving, shipping, documents, and invoice reconciliation. Monthly 3-day reconciliation → hours
RecruitOS
AI Recruitment Management System for Agencies
Unified AI matching, LINE messaging, and pipeline management. 80% reduction in proposal writing time
LogiOS
All-in-One AI System for Small Trucking Companies
Unified order management, AI dispatch, automated billing, and labor management. 2024 labor reform compliant
WasteOS
AI Operations System for Waste Management Companies
Manifest tracking, AI dispatch, scale integration, and auto-billing end-to-end. Go paperless from day one
LeachOS
AI Business OS for CEOs, Sales & Marketing
Auto-generate daily reports, draft X posts, and write sales emails in the background. Save 3 hours every day
