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BUSINESS

Connect the work. Put AI to use.

Start with scattered information or with a system that connects orders, inventory, and billing. We study the work, choose the right technology, and build systems your team can keep using. Solutions to shared problems become products for other workplaces.

Start with the work that hurts.

You do not need a specification. We can trace the workflow together and choose the support you need now.

Information is scattered, and AI trials do not stick. You need a usable foundation and someone to ask.

AI Operations Foundation

Orders, inventory, and billing live in separate sheets and tools, so the same information is handled again and again.

AI Core Business Systems (FDE)

You want to improve document comparison and data entry with a product you can use now.

AI Products

TRUSTED BY

Some of Leach's clients (from listed groups, national university corporations and industry leaders to sole proprietors)

SELECTED WORKS

How work changed in real workplaces.

Nabell Co., Ltd.

Totsugo.com adoption

Nabell Co., Ltd.

20,000 order checks per year

3 people → 1 person

Read the case study

Rikiman (リキマン)

AI Advice

Rikiman (リキマン)

Time to make shipping labels

90% less

Read the case study

Mizunara Inc.

AI Tech Advisory

Mizunara Inc.

~¥60M disaster-prevention project

7 options compared, design locked

Read the case study

In manufacturing? See the dedicated pageSee all stories

PROJECT & CONCEPTS

Core business systems × AI. Built around each industry.

We work closely with a business to connect its workflows and data. BuildOS is our active FDE project; our industry concepts explore how core business systems and AI could support other fields.

Development project

Construction equipment rental

BuildOS

Connect rentals, returns, inventory and billing.

  1. Rental & dispatch
  2. Return & inspection
  3. Stock & billing

An operations platform connecting dispatch, return, inventory and billing records spread across paper slips and spreadsheets. We are engaged as FDEs in construction equipment rental, learning the actual workflows while developing the core system and AI capabilities.

AI capabilities being pursued

Reading orders, reconciling invoices with delivery records and preparing documents.

· Concept and co-creation partner recruitment announced

Read the release (Japanese)

Core business systems × AI: industry concepts

FactoryOS, RecruitOS, FestOS, WasteOS and LogiOS are concepts addressing industry-specific challenges.

High-mix, low-volume manufacturing

Concept

FactoryOS

From faxed orders to production progress.

  1. Orders
  2. Production planning
  3. Progress & records

A concept connecting faxed orders, spreadsheet plans and paper production logs. It aims to make order details and production progress available to the team and support decisions on the factory floor.

Envisioned role of AI

Reading and checking orders, and finding similar drawings from past work.

· Concept and co-creation partner recruitment announced

Read the release (Japanese)
Recruitment agencies

Concept

RecruitOS

Connect candidates, vacancies and hiring progress.

  1. Candidates & jobs
  2. Outreach & interviews
  3. Hiring & placement

A concept bringing candidate records, job information, LINE conversations and hiring progress together. It aims to reduce copying between tools so consultants can focus on candidates and employers.

Envisioned role of AI

Suggesting candidate–job matches, drafting outreach and summarizing interviews.

· Concept and co-creation partner recruitment announced

Read the release (Japanese)
Food festivals and markets

Concept

FestOS

From exhibitor applications to event settlement.

  1. Applications
  2. Documents & setup
  3. Billing & settlement

A concept connecting exhibitor recruitment, document collection, equipment arrangements, billing and payments. It aims to give organizers more time for planning and conversations with exhibitors.

Envisioned role of AI

Reading submitted documents, assisting checks and drafting messages.

· Concept and co-creation partner recruitment announced

Read the release (Japanese)
Industrial waste management

Concept

WasteOS

Connect collection, weighing and processing to billing.

  1. Collection & dispatch
  2. Weighing & processing
  3. Billing & reporting

A concept connecting dispatch, weighing, waste manifests and billing records. It aims to reduce checks and copying across paper and spreadsheets while making the processing workflow traceable.

Envisioned role of AI

Suggesting dispatch plans, reading records and helping prepare billing and reporting documents.

· Concept and co-creation partner recruitment announced

Read the release (Japanese)
Small and midsize transport companies

Concept

LogiOS

From orders and dispatch to trips and billing.

  1. Orders
  2. Dispatch & trips
  3. Billing

A concept connecting orders received by phone, fax and email with dispatch, trips and billing. It aims to share vehicle and driver availability and support daily operational decisions.

Envisioned role of AI

Suggesting dispatch plans, organizing order details and helping prepare invoices from trip records.

· Concept and co-creation partner recruitment announced

Read the release (Japanese)

The links point to announcements published on the dates shown. This page distinguishes our current FDE engagement from industry concepts.

LET’S TALK

Start with the work that takes your time.

Tell us which checks, entries, or decisions take the most time. From preparing your AI foundation to custom development, we will work out where to start together.

Book a free 30-minute consultationOr reach us on LINE

30-min consult, free · It's fine to just take the advice and stop there