POS + Accounting
All-in-One System

From cashier to bookkeeping, unified business management for SMEs

4.8/5.0 Rating
|
500+ Companies
|
ISO 27001 Certified

Why Choose Seisei

Unified POS and accounting dramatically improves efficiency

Cost Savings

No need to buy POS and accounting separately. Reduce monthly costs by up to 50%.

Save $50+ monthly

Efficiency Boost

Automatic data sync eliminates duplicate entry. Month-end closing reduced from 3 days to 1 hour.

Save 60+ hours monthly

Real-time Insights

Check business and financial data anytime, anywhere. Manage from your phone.

24/7 Access

4-Layer Integrated Architecture

Complete coverage from front office to back office

01

Front Office

Store operations

02

Back Office Finance

Accounting automation

04

Smart Integrations

External services

Customer Success Stories

Over 500 companies trust Seisei

🍜
Tokyo Restaurant
F&B | 8 employees

“With POS and accounting unified, month-end closing went from 3 days to 1 hour! Sales also increased 15%.”

Results
  • ✓ POS efficiency 50% UP
  • ✓ Closing time 95% DOWN
  • ✓ Sales 15% UP
👕
Osaka Apparel Store
Retail | 5 employees

“Automated inventory eliminated stockouts. Membership features boosted repeat rate by 30%.”

Results
  • ✓ Inventory turnover 30% UP
  • ✓ Repeat rate 30% UP
  • ✓ Labor costs 20% DOWN
✂️
Nagoya Beauty Salon
Service | 12 employees

“Everything from booking to payroll in one system. Staff overtime significantly reduced.”

Results
  • ✓ Booking efficiency 40% UP
  • ✓ Overtime 50% DOWN
  • ✓ Customer satisfaction 20% UP

Start Now and Boost Your Efficiency

30-day free trial. No credit card required.

Free implementation support | No contract term | Cancel anytime