Aadhaar eSign: The Complete Guide for Businesses in 2026

Aadhaar eSign has revolutionized how Indian businesses handle document signing. Using OTP-based authentication linked to your Aadhaar number, organizations can obtain legally valid electronic signatures in seconds.

What is Aadhaar eSign?

Aadhaar eSign is an electronic signature service that uses Aadhaar-based authentication to sign documents digitally. It is recognized under the Information Technology Act, 2000, and provides the same legal validity as a physical signature.

How It Works

1. Upload your document to the signing platform

2. Add signers and their Aadhaar-linked mobile numbers

3. Signers receive an OTP on their registered mobile

4. Upon OTP verification, the document is digitally signed

5. Signed document is stored with complete audit trail

Benefits for Enterprises

Speed: Sign documents in under 60 seconds

Compliance: Legally valid under Indian law

Security: OTP-based two-factor authentication

Cost-effective: Eliminate printing, scanning, and courier costs

Audit trail: Complete tracking of signing events

Use Cases

Aadhaar eSign is ideal for loan agreements, employment contracts, vendor agreements, rental agreements, and any document requiring legally binding signatures from Indian residents.

Getting Started with SimplySign

SimplySign makes Aadhaar eSign effortless. Upload documents, invite signers, and track progress in real-time. Our platform handles compliance, security, and audit trails automatically.