Get Digital Signature Certificates (DSC) Online
Issue Digital Signature Certificates with ease using Sinewave’s secure, automated, and cost-effective DSC platform — no investment required to get started.
Digital Signature Certificates (DSC)
We provide you with the top services in the most efficient manner possible.
Connect your business to our digital signature certificate and benefit from sinewave’s most reliable and consistent services. We give you the greatest DSC services at reasonable pricing and appealing promotions.
Start your business by become Sinewave Associate with zero investment for Issuance of digital certificates in a fully automated system. Join sinewave to maximize results for your organization. You will receive the best software that will increase your profits. Become a sinewave member today and watch your business flourish. Register now by clicking the button and filling out all the basic information. After that, proceed.
Key Highlights
Get a real-time dashboard.
You will get DSC at the best prices.
Create orders for your clients.
Your client will receive proforma invoice by email.
Upon payment and the client sending documents to us you would get a commission of the difference between your sale and purchase price.
Commissions is paid under 24 hours.
Upon receipt of documents we issue DSC and same is sent to you by email.
Chartered Accountants & Tax Professionals
CA Firms & Audit Teams
Enterprises managing multiple assessees
Made for the Modern Tax Expert
Tailored for professionals who demand precision, speed, and scalability.
Why is DSC important for businesses?
A digital signature Certificate is really important in this new era of modernization. Electronic processing has become the norm. Most things are getting an electronic version of them as books are getting upgraded into e-books, cash payments are getting replaced by electronic payments, meetings by e-meetings, learning by e-learning, businesses by e-business, shopping by e-shopping, and income tax by e-filing.
Similarly, DSC is the upgraded version of all the documented information of a person. It has great importance in business because it makes verification easy and time-saving. It also makes the authentication process manageable and environment-friendly.
Digital signature certificates online offer several significant benefits, including:
Effortless and Convenient
Once the signer has a DSC, adding it to any document and transmitting securely becomes simple. Replaces scanning with signed digital PDFs.
Assurance of High-Level Security
DSCs include the sender’s identity, time, and location of signing, providing far more security than traditional documents.
Validation of Data
Digitally signed data remains unaltered. DSC ensures authenticity and helps organizations validate transactions effectively.
Authentication
Verifies signer’s personal info and allows recipients to take action with assurance that the document is genuine.
Eco-Friendly
Reduces printing and paper use. Promotes digital handling of documents, making the process environmentally sustainable.
Responsive Behavior
Speeds up workflows with a single-click signing process—no printing, scanning, or delays in processing.
Cost-Effective
Eliminates manual steps like printing and scanning. Saves time, paper, and long-term operational costs.
DSC Registration Process
Want to save time in Digital Signature Certificate issuance and document process?
Paperless DSC Registration Process (For Individual)
- Upload Video
- Aadhar Verification
- No other document requirement
- Do not have Aadhar linked to Mobile Number?
Traditional DSC Registration Process
For all types of DSC
- Upload Video
- Upload Documents
- Mobile Verification
- Send Application Form hardcopy along with attested copy of PAN & Aadhar
What is a digital signature certificate?
A Digital Signature Certificate is a highly secured digital key provided by certifying authority to validate and confirm the identity of the person who holds the certificate. To produce digital signatures, public key encryptions are used. The user’s name, pin code, country, email address, certificate issue date, and certifying agency name are all included in a digital signature certificate (DSC).
It supplies people with assurance and security. Electronic “fingerprints” are analogous to digital signatures. A digital signature is a coded message that securely associates a signer with a document in a recorded transaction.
It is a technique of validating digital information that is identical to a traditional physical signature written on paper, but it is performed using techniques from the field of public-key encryption. A set of digital signatures typically describes two complementing operations: signing and verification. A digital signature is created by combining asymmetric key encryption and digital digest technology.
Applications of DSC
e-Filing of Income Taxes
Certain businesses, families, and individuals are required to use a Digital Signature Certificate to file electronically. DSCs provide greater convenience and security in filing tax returns and electronic transactions.
Tendering
DSCs are essential for all e-Procurement processes. Applying for government tenders online offers many benefits, including instant acknowledgments and receipts via centralized document upload.
Foreign Trade
DSCs secure email and web-based transactions, identify participants, establish SSL/TLS encrypted sessions, and prove domain ownership in web transactions.
Patent and Trademark E-Filing
A Class 3 DSC is required to e-file Patent and Trademark applications as per CGPDTM. It offers the highest level of protection and is valid for 1 to 3 years.
Why Choose Sinewave?
Trusted by professionals for over three decades — delivering reliable, secure, and scalable tax software solutions.
- Client Trust 95%
- Security & Compliance 98%
- Real time Updates 92%
- Scalability 96%
Frequently Asked Questions
Find quick answers to common queries about our products, services, and support.
A DSC is a secure digital key used to sign electronic documents. It ensures the authenticity and integrity of the signed data.
Any individual, business, or professional who needs to sign documents electronically for income tax, MCA, GST, or other government portals.
For Aadhaar-based eKYC, only Aadhaar and OTP authentication is needed. For traditional DSC, PAN, Aadhaar, and a signed application form are required.
A DSC is generally valid for 1 or 2 years from the date of issuance. You can choose the validity at the time of application.
You can renew your DSC online before or after expiry by submitting updated documents and undergoing fresh verification.