Sansan, Inc.: Innovating invoice management with machine learning and Google Cloud's fully managed services
Sansan, Inc. is a Japan-based business infrastructure SaaS company that launched Bill One, a cloud-based invoice receiving and management solution for enterprise customers. The solution helps users digitize invoices uploaded in paper, PDF, and image formats and centrally manage them in a secure database, while reducing operational overhead through Google Cloud's fully managed services.
- Organization
- Sansan, Inc.
- Industry
- Professional Services
- Location
- Japan
- Published
- January 2022
Reported outcomes
99.9%
accuracyQuality & accuracy
Strategic outcomes
Catalog median for quality & accuracy deployments: +90% across 270 reported metrics. Compare benchmarks →
Primary read
Use case focus
Showing 3 of 4
- 1Document processing
- 2Invoice management
- 3OCR digitization
- Enterprise customers needed to accurately digitize invoices in multiple formats.
- Sansan wanted to keep scanning accuracy high while reducing infrastructure and operations burden for Bill One.
- The company also wanted a platform that would support fast development and a flexible operating model.
- Bill One stores invoice PDF files in Cloud Storage and uses Vision API for OCR and invoice digitization.
- The service runs on Cloud Run and uses BigQuery, Cloud Logging, Cloud Trace, Cloud Monitoring, and Error Reporting to support scalable operations and observability.
- Google Cloud Armor is used as a WAF and API gateway for API management.
- Bill One achieves 99.9% digitized invoice scanning accuracy.
- Google Cloud removes the need for dedicated infrastructure management resources and enables a fully managed, scalable service with a lean internal team.
- Sansan reported a tenfold increase in recurring monthly revenue for Bill One compared with the same period in November 2021.
Architecture
Bill One stores invoice PDF files in Cloud Storage, uses Vision API to perform OCR/digitization, runs on Cloud Run, and uses BigQuery plus Cloud Logging, Cloud Trace, Cloud Monitoring, Error Reporting, and Google Cloud Armor for analytics, observability, and traffic protection/API management.
Sources & evidence1
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