Company
Bringing technology into the everyday work of small businesses.
Mission
DX is not just for large companies. Even without an advanced IT department, small companies, foreign business owners and local businesses can change the way they work through technology.
We turn complex technology into processes companies can actually use.
And through that, we raise their productivity and management strength.
Becoming our clients’ digital department
For many small and mid-sized businesses, having dedicated DX staff or a large IT department is not easy. Yet bookkeeping, sales, customer management, HR, payroll, invoicing, internal administration and data analysis all need to go digital. As an external DX partner, 3WB supports companies’ ongoing digitalization.
- Someone to ask when you need it.
- Sorting out the work together.
- Building the systems you need.
- Bringing in AI and automation.
- Improving continuously after launch.
Our strength
Our strengths
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BUSINESS FIRST
We think from the company’s actual work, not from the technology.
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DEVELOPMENT
We can plan and develop the systems needed in-house.
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OPERATION
We run the systems we build in real business operations.
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IMPROVEMENT
We feed field feedback straight back into system improvements.
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PROFESSIONAL NETWORK
Where licensed expertise is required, we work with the appropriate professionals.
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CROSS-BORDER
We connect Japan and the Chinese-speaking business world, and support foreign companies operating in Japan.
Our future
From back-office DX to company-wide DX
Our digitalization started with bookkeeping, but it doesn’t end there.
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BACK OFFICE DX
Bookkeeping, invoicing, payroll, receipts, finance
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BUSINESS DX
Customer management, sales management, contract management, workflows, internal information
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AI & DATA
AI assistance, data analysis, automated checks, management information, business automation
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DIGITAL MANAGEMENT
A digital environment that connects company data and operations to support management decisions.
History
- 2023
- Sansuichiku Co., Ltd. founded. Started IT and business support services.
- 2024–2025
- Expanded back-office support for companies, building up knowledge of real business issues.
- 2025–2026
- Continued developing our own business systems, digitalizing bookkeeping, invoicing and payroll.
- 2026
- Management Innovation Plan approved by Osaka Prefecture.
- Next
- From the back office to the whole business: expanding digitalization support using AI, systems and data.
Company profile
| Company name | Sansuichiku Co., Ltd. (三水竹株式会社) |
|---|---|
| Founded | January 19, 2023 |
| Representative Director | Kazuichi Toi (東井 和一) |
| Address | TOMO BLDG 2F, 1-3-9 Otedori, Chuo-ku, Osaka 540-0021, Japan |
| Business areas | System development & DX support Digital bookkeeping & back-office support Japan market entry & business management support Planning, development and operation of our own business systems |
| Certification | Management Innovation Plan approved by Osaka Prefecture (September 10, 2026) |
See Osaka Prefecture’s list of approved companies (Japanese)
Access
TOMO BLDG 2F, 1-3-9 Otedori, Chuo-ku, Osaka 540-0021, Japan
Tel 06-6710-4073 / Fax 06-6710-4273
info@3wb.jp
- Osaka Metro Tanimachi Line / Chuo Line, Tanimachi 4-chome Station, Exit 4
- Osaka Metro Tanimachi Line, Temmabashi Station, Exit 4
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.