Digital Signature Certificate Services
Secure digital authentication for business compliance. Obtain your Class 3 DSC quickly for MCA filings, GST, Income Tax, and government tenders.
Get Your Class 3 DSCSecure Digital Authentication
A Digital Signature Certificate (DSC) is the electronic equivalent of a physical signature. It establishes the identity of the sender filing documents online.
As Indian government portals move towards complete digitalization, a Class 3 DSC has become mandatory for company directors, business owners, and professionals. Stored on a secure FIPS-certified USB token, it ensures that your sensitive GST, MCA, and Income Tax filings cannot be altered or forged during transmission. Sahyog Tax & Advisory provides rapid, hassle-free DSC issuance with complete paperless video verification.
Order Your DSC TokenClass 3 DSC Specifications
Where is a DSC Required?
Benefits of Using a DSC
Secure Authentication
Provides the highest level of cryptographic encryption to prove the sender's identity, ensuring no one can forge your digital signature.
Faster Electronic Filing
Bypass the need to print, manually sign, and courier heavy documents to government departments. A DSC authorizes forms instantly online.
Reduced Paperwork
Support India's paperless governance initiatives. Digital signatures allow entirely digital workflows for company incorporation and tax returns.
Absolute Legal Validity
Under the IT Act, 2000, documents signed with a valid Class 3 DSC hold the exact same legal status and evidentiary value as a physical signature.
Improved Data Security
If a digitally signed document is altered in transit, the signature automatically invalidates, protecting you from data tampering.
Need a DSC for MCA Filing?
Get Started NowIssuance Process
Submit Documents
Provide basic PAN, Aadhaar, and a recent photograph to our team.
Application Processing
We file your application with a licensed Certifying Authority (CA).
Email / OTP Verification
You will verify your mobile number and email ID via OTP.
Video KYC Verification
Record a quick 20-second verification video from your smartphone.
Token Dispatch
The secure USB token is downloaded and dispatched to your address.
Documents Required
For Indian Nationals
- Applicant's PAN Card
- Aadhaar Card (For e-KYC paperless route)
- Recent Passport-size Photograph
- Active Mobile Number (Linked to Aadhaar)
- Active Email ID
For Organizations (Optional)
- Company Registration / GST Certificate
- Authorization Letter on Letterhead
- Board Resolution (For Companies)
- Partner/Director ID Proofs
Frequently Asked Questions
What is a Class 3 DSC?
Class 3 is the highest level of Digital Signature Certificate. It requires the applicant to prove their identity through a video verification process. Class 2 DSCs have been discontinued by the Controller of Certifying Authorities (CCA), making Class 3 mandatory for all filings.
What is the validity of a DSC?
DSCs are generally issued with a validity period of 2 years. Once the validity expires, the certificate must be renewed. The hardware USB token can often be reused for the renewed certificate.
Do I need to visit an office to get a DSC?
No. The entire process is 100% online and paperless. Aadhaar-based e-KYC and smartphone video verification allow you to complete the process from anywhere in India. The physical USB token will be couriered to your address.
Get Your DSC Quickly
Get your Digital Signature Certificate quickly and securely. Stop printing documents and start signing online.
Order DSC TokenIncludes USB Hardware Token