Is Digital Signature mandatory for GST filing?

Yes, for Private Limited Companies, Public Limited Companies, LLPs, and Foreign Entities, digital signing using a Class 3 DSC is legally mandatory for GST registration, return filing, and refunds.

Which DSC is required for GST: Individual or Organisation?

Proprietorships can use a Class 3 Individual DSC. Companies, LLPs, and Partnerships must use a Class 3 Organisation DSC issued in the name of the Authorised Signatory.

100% GST Portal (gst.gov.in) & emSigner Compatible

Class 3 DSC for GST Registration & Filings

Fastest paperless issuance for Companies, LLPs & Tax Practitioners. Register your DSC on the GST portal without emSigner errors.

GSTR-1, 3B & 9/9C Ready

PAN & Aadhaar Paperless eKYC

FIPS 140-3 Hardware Token

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GST Compliance Matrix

Which DSC Type Do You Need for GST Portal?

For Sole Proprietors

Class 3 Individual DSC

Sole proprietorships and individual tax practitioners can register their personal Class 3 DSC on the GST portal.

Fast Aadhaar eKYC verification
Also valid for ITR & MCA Director KYC
1, 2 or 3 Years validity options

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Mandatory for Companies & LLPs

Class 3 Organisation DSC

Required for Private Ltd, Public Ltd, OPC, and LLP entities under GST rules. Issued in name of Authorised Signatory with company name.

Mandatory for GSTR-1, 3B, 9/9C
Dual Signing + Encryption for GeM/Tenders
Priority verification queue

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GST Portal Setup Guide

How to Register Your DSC on the GST Portal

Plug in your USB Token: Connect your FIPS 140-3 USB crypto token into your computer USB port.
Launch emSigner: Ensure the latest GST emSigner application is running as administrator on your computer.
Login to GST Portal: Go to gst.gov.in and log in with your valid credentials.
Navigate to Register DSC: Click on your profile name at the top right ➔ select Register / Update DSC.
Select Authorised Signatory: Choose the authorized PAN signatory from the dropdown, select your certificate, enter token PIN, and click Sign.

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