Products
Bookkeeping, invoicing and payroll: business systems we plan, build and run ourselves, born from problems in our daily work.
Origin
Built from questions on the ground
- Couldn’t this be simpler?
- Do we really need to repeat the same work?
- Couldn’t we see this information in real time?
Product 01
Digital bookkeeping & financial management system
Manage a company’s accounting information digitally, from receipts to financial data.
Main features
- Receipt upload
- OCR data capture
- Transaction data management
- Journal entry management
- Financial data management
- Task and progress management
- Multi-step review
- Online confirmation by clients
Product 02
Invoice & receipt system
Digitize a company’s everyday invoicing work.
Main features
- Customer management
- Billing information management
- Document creation
- Receipt creation
- PDF export
- Payment tracking
- Transaction history
Use the service receipt.3wb.jp
Product 03
Payroll system
Keep payroll for small and mid-sized businesses simple.
Main features
- Employee records
- Payroll calculation
- Deduction management
- Payroll data management
- Payslip creation
Use the service hr.3wb.jp
Before / After
Not turning paper into PDFs, but changing the process itself.
Before
- Paper receipts
- Excel
- Manual entry
- Email / LINE
- Tax accountant
- Owner
Information is scattered and the same data is entered again and again.
3WB
- Receipt upload
- OCR / AI
- Data capture
- Human check
- Financial data
- Professionals
- Owner review
Data entered once is used all the way through.
AI & Automation
Using AI in real work
Our aim is not to adopt AI for its own sake. What matters to us is how AI actually changes the work. We are applying it first where it makes a difference in daily operations, such as OCR, data checks, anomaly detection and organizing information.
Where we use and develop AI
- OCR and receipt recognition
- Bookkeeping assistance
- Financial data checks
- Unusual transaction detection
- Document classification
- Data entry assistance
- Internal knowledge search
- Customer inquiry support
- Management information analysis
- Business automation
From product to platform
From individual systems to a digital foundation
Our three systems are not separate pieces of software. Step by step, we connect information scattered across the company, from customers to management data.
- Customers
- Transactions
- Invoices
- Payments
- Receipts
- Accounting
- Payroll
- Employees
- Management data

3WB BUSINESS PLATFORM
Connecting individual business systems into a digital foundation for small and mid-sized businesses.
Start by talking through your operations.
You don’t need to know what to systematize yet. We begin by listening to how your business runs today.