End busy season for accounting firms — with AI.
Built by AI and accounting experts, TenZai AI unifies document recognition, automated journal entries, and voucher generation.
In three steps — Upload → Auto-recognize → Export — it processes multi-rate, multi-format, multi-client ledgers automatically.
99.5% recognition accuracy and 80% higher efficiency free your firm from overtime and manual data entry.
Every hidden effort, handled with AI-powered care — so expertise is spent on judgment only people can make.
Upload. Recognize. Trust. Let TenZai AI handle the rest — with confidence
Bulk upload support, multiple formats accepted — drag and drop to get started
AI-powered precision recognition at 99.5% accuracy — key data extracted in seconds
Auto-matches account codes, generates standard vouchers, fully compliant with Japanese accounting standards
One-click data export with seamless integration into leading accounting software
Tax and accounting automation purpose-built for Japanese businesses
Supports all major Japanese document types — invoices, receipts, delivery notes, and more. Bulk upload with automatic classification and archiving boosts processing efficiency by 80%.
An OCR engine optimized for Japanese documents accurately captures corporate numbers, amounts, tax rates, and more. Handles handwritten documents with 99.5% accuracy.
AI-learned account matching handles consumption tax calculations automatically, generating vouchers fully compliant with Japanese accounting standards. Supports custom chart-of-accounts imports.
A multi-tenant system designed for bookkeeping firms. Robust permission controls ensure secure data isolation per client, with bulk operations to maximize team efficiency.
Compatible with leading accounting platforms including Yayoi, Freee, and Money Forward. Standard API interfaces enable seamless, real-time data synchronization.
Compliant with Japan's Act on the Protection of Personal Information, ISO 27001 certified, and fully aligned with the Electronic Bookkeeping Act. Comprehensive data security at every layer.
The proven performance of TenZai AI
Feedback from real users
"Since adopting TenZai AI, our bookkeeping time has dropped by 70%. The AI recognition accuracy is remarkably high, drastically reducing the time we spend on manual checks."
"For a firm managing multiple clients, TenZai AI's multi-tenant functionality is invaluable. Data security is guaranteed, and everything stays cleanly separated."
"Seamless integration with Yayoi has dramatically cut the effort of manual data entry. Our monthly closing process is now significantly more efficient."
See how we compare to the alternatives
| Criterion | Traditional Manual Work | TenZai AI |
|---|---|---|
| Processing Speed | 100 docs/day | 1,000 docs/hour |
| Input Accuracy | ~95% (human error prone) | 99.5%+ |
| Time Required | 5 hours / 100 docs | 1 hour / 1,000 docs |
| Multiple Tax Rates | ✗ Manual calculation required | ✓ Auto-detected & calculated |
| Handwritten Documents | ○ Slow to interpret | ✓ AI high-accuracy recognition |
| Data Management | ✗ Paper filing or local storage | ✓ Unified cloud management |
| Audit Trail | ○ Limited | ✓ Fully traceable, fully digital |
| Monthly Cost | High labor costs | Reduce by 60%+ |
A standardized onboarding process backed by our expert team — smooth go-live, guaranteed
Understand your workflows
Define the implementation plan
Import chart of accounts
Configure business rules
Team training
Pilot run and fine-tuning
Full production launch
Ongoing optimization
From contract signing to full operation, we guarantee complete onboarding within 7 business days — so you start reaping the efficiency gains fast.
Backed by industry-recognized certifications for your peace of mind
Bring a reliable AI assistant to the financial work that deserves real expertise. Try TenZai AI today and let AI elevate your finance operations.