emSigner eSign Service
Enterprise Digital Signature Platform
What is emSigner service? It is India's leading enterprise electronic signature solution by eMudhra. Automate bulk PDF signing, integrate legal eSign workflows with SAP, Tally & Oracle, and eliminate paper delays under IT Act 2000.
What is emSigner?
emSigner is an enterprise electronic signature (eSign) and paperless office automation platform developed by eMudhra. It enables organizations and professionals to legally sign PDF documents in bulk, configure multi-tier signing workflows, and bridge physical Class 3 USB tokens with government portals like MCA V3, GST, and Income Tax under the Information Technology Act 2000.
It goes beyond just a standalone DSC certificate: emSigner is a complete signing workflow engine that automates how your organization creates, routes, signs, and archives documents at scale.
- ✓Eliminate paper, courier costs, and manual signing bottlenecks
- ✓Multi-party signing with sequential or parallel approval chains
- ✓Works with any existing ERP, CRM, or document management system
- ✓Supports DSC token, Aadhaar OTP, and biometric based eSigning
- ✓Each signed document is tamper-proof and court-admissible
Everything Your Organization Needs to Go Paperless
Legally Valid eSignatures
Every signature produced by emSigner carries full legal enforceability under the Information Technology Act 2000 and is recognized by Indian courts and regulators.
Bulk & Automated Signing
Sign thousands of invoices, contracts, and HR letters in seconds. Set up signing queues, batch schedules, and approval workflows — completely hands-free.
ERP & Accounting Integration
Native connectors for SAP S/4HANA, Tally Prime, Oracle EBS, Microsoft Dynamics, Zoho Books, and any custom application via REST API or PKCS#11.
Bank-Grade Security
Signing keys stored in FIPS 140-3 Level 3 certified HSMs. Every document is cryptographically sealed with a tamper-evident digital fingerprint.
Cloud & On-Premise Deployment
Deploy emSigner on your own servers for full data sovereignty, or use the cloud-hosted SaaS model for zero infrastructure overhead.
Comprehensive Audit Trail
Every signing event is logged with timestamp, signer identity, IP address, and device info — court-ready audit trail for compliance and dispute resolution.
Multi-Device Signing
Signatories can sign from any device — desktop, tablet, or mobile — without any software installation, using OTP or Aadhaar-based eSign.
GST e-Invoicing Compliant
Auto-sign GST B2B invoices, generate IRN from IRP, and affix QR codes in real-time as mandated for businesses above ₹5 Crore turnover.
Smart Notifications & Reminders
Automated email and SMS reminders for pending signatures. Real-time status dashboard showing document progress across all signatories.
Who Uses emSigner?
From GST e-invoicing to HR automation — emSigner powers paperless workflows across every industry.
GST & Tax e-Invoicing
Auto-sign every B2B invoice and dispatch IRN/QR to GSTN in real-time. Handles hundreds of invoices per minute.
HR & Payroll Documents
Offer letters, appointment orders, salary slips, and relieving certificates — signed and delivered to employees digitally.
Finance & Audit Filings
Balance sheets, audit reports, Board Resolutions, and MCA-21 director certificates signed with zero manual intervention.
Vendor & Procurement POs
Automate digital signing of purchase orders, NDAs, and service agreements as they are generated from your ERP.
Healthcare Records
Sign patient consent forms, lab reports, prescriptions, and insurance claims with compliant Aadhaar eSign.
Education Certificates
Issue digitally signed mark sheets, degree certificates, and admission letters at scale for thousands of students.
How emSigner Works — 4 Simple Steps
Upload Document
Upload PDF or Word documents manually, through API, or auto-triggered from your ERP system.
Assign Signatories
Define signing order — sequential or parallel. Add internal approvers and external counterparties.
Sign & Approve
Each signer receives a secure link. Sign via DSC, Aadhaar OTP, or biometric — from any device, anywhere.
Deliver & Archive
Completed documents are automatically delivered, timestamped, and archived with a full audit trail.
emSigner for MCA V3: Setup, Port 1585 & Common Error Fixes
Filing company incorporation (SPICe+), Director KYC (DIR-3 KYC), AOC-4, or MGT-7 on the Ministry of Corporate Affairs (MCA V3) portal requires the official emSigner utility to bridge your Class 3 DSC token with Google Chrome or Microsoft Edge.
Download MCA emSigner
Download the official MCA emSigner utility from the MCA portal or our verified downloads page.
Run Setup as Administrator
Right-click the downloaded setup and click "Run as Administrator". This automatically registers the local WebSocket listener on port 1585.
Verify Port 1585 / Localhost
Ensure the emSigner service is running in your Windows system tray. Check that port 1585 is not blocked by Windows Defender Firewall or local antivirus.
Register DSC on MCA V3
Log in to MCA V3 > Profile Update > Register DSC. Insert your USB token, select your certificate, and confirm association with DIN/PAN.
⚠️ How to Fix Common MCA emSigner Errors
1. "Failed to establish connection to server (Port 1585)"
Exit emSigner from the Windows system tray. Search for "emSigner for MCA" in the Windows Start menu, right-click and choose "Run as administrator". In Chrome/Edge, go to chrome://flags, enable "Allow invalid certificates for resources loaded from localhost", and reload the MCA portal.
2. "DSC not detected / Token not found"
Ensure your USB token driver (HYP 2003 / ProxKey) is installed and active. Open your token management tool to verify the certificate is readable. If driver is missing, visit our DSC driver download page.
Works with Your Existing Systems
Native connectors and open APIs ensure emSigner plugs into whatever software your team already uses.
SAP S/4HANA
Tally Prime
Oracle EBS
MS Dynamics
Zoho Books
QuickBooks
REST API
PKCS#11 CSP
Simple, Transparent Pricing
Choose the right emSigner plan for your document signing needs.
| Plan | Best for | Pricing | Action |
|---|---|---|---|
| Bharat | Individuals & professionals | ₹1,000/year · unlimited documents | |
| Essential | Small teams starting their digital signing journey | ₹1,000/user / month | |
| Professional | Enterprise control & compliance | Contact us | |
| Envelope / API plan | API, embedded & bulk signing | ₹75/envelope · valid 1 yr |
Envelopes valid for one year. To use the emSigner REST APIs, webhooks and embedded signing, subscribe to the Envelope plan. Pricing shown in INR as listed on emsigner.com — confirm current rates at checkout.
100% Legally Valid. Fully Compliant.
Every document signed via emSigner is enforceable under the Information Technology Act 2000 (Section 35), Indian Evidence Act 1872, GSTN e-invoicing regulations, and MCA / ROC filing requirements. Signed documents are court-admissible and carry cryptographic proof of authenticity.
Frequently Asked Questions
What is emSigner service and how does it work?
emSigner service is an enterprise electronic signature (eSign) and paperless office automation platform developed by eMudhra. It allows organizations to digitally sign PDF documents in bulk, configure multi-tier approval workflows, and integrate legal eSigning directly into ERP software (SAP, Tally, Oracle) using Class 3 DSC, Aadhaar eSign, or HSM credentials.
What is the difference between emSigner and emBridge?
emBridge is a local browser middleware utility used to communicate between your physical USB token and web portals (like GST and MCA). emSigner, on the other hand, is a complete enterprise document workflow and electronic signing platform that manages document routing, multi-party approvals, bulk auto-signing, and cloud/on-premise archiving.
Is emSigner legally valid in India?
Yes. Signatures created via emSigner using a Class 3 DSC or Aadhaar eSign are fully legally binding under the Information Technology Act 2000, Indian Evidence Act 1872, and recognized by courts, GSTN, MCA, and all government portals.
How does emSigner differ from a regular DSC?
A DSC is a certificate (like a digital ID). emSigner is the signing platform that uses that certificate to create and manage the signing workflow — including multi-party approval, bulk signing, ERP integration, and automated delivery.
Can emSigner integrate with Tally or SAP?
Yes. emSigner has native connectors for Tally Prime, SAP (S/4HANA and ECC), Oracle EBS, Microsoft Dynamics, and Zoho Books. For other systems, a REST API and PKCS#11 CSP interface is available.
What types of documents can be signed?
emSigner supports PDF, Word (DOCX), XML, and HTML documents. It is widely used for GST e-invoices, HR letters, purchase orders, legal contracts, audit reports, and government filings.
Do signatories need to install any software?
No. External signatories can sign via a secure web link on any browser — no software installation required. For internal high-volume automated signing, the emSigner service runs on the organization's server.
How long does it take to set up emSigner?
Basic setup with cloud deployment can be completed within 1–2 business days. ERP integrations typically take 3–5 days depending on the complexity of the existing system.
What is Aadhaar eSign and is it available on emSigner?
Aadhaar eSign (via NSDL/CDSL) allows individuals to sign using their Aadhaar OTP without a physical DSC token. emSigner supports both DSC-based and Aadhaar-based eSign, giving you maximum flexibility.
How do I setup emSigner for MCA V3 portal filings?
To setup emSigner for MCA V3: 1) Download and install the MCA emSigner utility from the official MCA portal or DgSignz downloads page. 2) Right-click and run the installer as Administrator. 3) Insert your USB token with drivers installed. 4) Ensure emSigner is active on port 1585 in the system tray. 5) Log in to MCA V3, go to Profile Update > Register DSC, and complete the certificate mapping.
How to fix "Failed to establish connection to server" port 1585 error in MCA emSigner?
This error occurs when the emSigner service is blocked or not running as Administrator. To fix: 1) Right-click emSigner in system tray and exit. 2) Re-launch emSigner as Administrator. 3) In Chrome or Edge, navigate to chrome://flags and enable "Allow invalid certificates for localhost". 4) Whitelist port 1585 in your firewall. 5) Refresh your MCA V3 filing page.
Ready to Go Paperless?
Get emSigner set up for your organization within 1–2 business days. Our team will guide you through every step.