About us

eSign.AI is an AI-native electronic signature and contract execution platform. Teams draft, review, sign and manage contracts with AI assistance, and signatures are legally binding and compliant across 100+ countries and regions.

eSign.AI is operated by ESIGN HK HOLDING LIMITED, headquartered in Hong Kong, with offices across Asia Pacific, Europe and the Americas. Our offices: Hong Kong (International HQ) — ESIGN HK HOLDING LIMITED; Singapore — ESIGN SG HOLDING LIMITED; Hangzhou (Product & Engineering) — Hangzhou eSign Information Technology Co., Ltd.; Beijing — Beijing eSign Information Technology Co., Ltd.; Shanghai — Shanghai eSign Information Technology Co., Ltd.

Yes. eSign.AI is operated by a registered Hong Kong company, holds ISO/IEC 27001, ISO/IEC 27701, ISO/IEC 27018 and SOC 2 Type II certifications, operates data centers in Hong Kong, Singapore, Frankfurt and Mainland China, and encrypts documents in transit and at rest with AES-256 over full-stack HTTPS.

Yes. eSign.AI supports SES, AES and QES signature levels and complies with major frameworks including the U.S. ESIGN Act and UETA, the EU eIDAS Regulation, and national e-transaction laws across 100+ countries and regions. The required signature level varies by jurisdiction and document type.

eSign.AI is built for compliant signing across 100+ countries and regions. Applicable signature standards depend on the jurisdiction and the type of agreement. For jurisdiction-specific requirements, our compliance specialists and AI compliance assistant can give you a definitive answer — tell us your document type and signing countries and we will map the exact regulations and signature levels that apply.

Yes. Sign up on the eSign.AI website to get free trial quota, and contact our sales team for extended trial access and a personalized demo.

Yes. eSign Automation lets AI agents orchestrate complete signing workflows via natural language or API, and is available in the OpenClaw ecosystem and via Claude MCP, ChatGPT and other leading AI platforms.

Most e-signature platforms are built around Western markets. eSign.AI is purpose-built for cross-region signing: contracts signed within Asia-Pacific, and contracts between Asia-Pacific teams and counterparties in the European Union and the United States. Regional service teams and local-language support cover all four regions, data centers in Hong Kong, Singapore, Frankfurt and Mainland China keep signing data close to each party, and pricing is built for high-volume cross-border signing — giving global teams enterprise-grade e-signature and contract management at a lower total cost of ownership.