CloudSign
Japan's leading cloud-based electronic signature and contract management service
Founded
2015
Starting Price
¥0
Category
Legal Tech
Last updated June 16, 2026
About CloudSign
CloudSign is a cloud-based electronic signature and contract management platform developed by Bengo4.com, Inc. It was Japan's first eSignature service certified under the Electronic Signature Law and holds the largest domestic market share for digital contract services, used by over 100,000 companies and 300+ local governments. CloudSign lets teams create, send, sign, and manage legally valid electronic contracts entirely online, eliminating paper, stamps, and postage.
Pros & Cons
Pros
- Market leader in Japan with the largest domestic share of e-contract services
- First Japanese eSignature service certified under the Electronic Signature Law
- Free plan and unlimited users/sends on paid plans make it scalable
- Strong enterprise security (ISO 27001, Japanese data centers) trusted by governments and financial institutions
- Recipients can sign without creating an account, lowering signing friction
Key Features
Electronic Signatures & Timestamps
Send documents for legally valid electronic signatures with embedded timestamps, certified under Japan's Electronic Signature Law.
Contract Management
Centralized dashboard to track, store, and search signed documents with detailed audit histories.
Templates & Bulk Sending
Create reusable document templates and send contracts in bulk to multiple recipients at once.
AI Contract Management
AI-powered organization and management of contracts both when sending and when importing existing documents.
Multilingual Contracts
Conclude contracts in English and Chinese in addition to Japanese.
Web API & Integrations
REST API and integrations with core business systems for automated contract workflows.
Advanced Authentication
High-assurance signer authentication including My Number Card (Japanese ID) signing.
Pricing
Free
¥0/month
- Up to 2 documents per month
- 1 user
- Electronic signature + timestamp
Light
¥11,000/month
Best For
Digital Contract Execution
Replace paper contracts, stamps, and postage with legally valid electronic signatures concluded entirely online.
Government and Public Sector
Adopted by 300+ Japanese local governments for secure, compliant digital document workflows.
Contract Lifecycle Management
Store, search, and audit signed contracts in a centralized, AI-assisted management dashboard.
High-Volume Bulk Sending
Send contracts in bulk using templates for HR onboarding, vendor agreements, and recurring paperwork.
