Types of SSL Certificates: DV, OV, and EV Validation Processes and Required Documents
SSL Certificates are divided into three main categories based on the type of validation:
- DV (Domain Validation)
- OV (Organization Validation)
- EV (Extended Validation)
Each has different document requirements and validation processes.

1. Quick Setup SSL Certificate (DV – Domain Validation)
Required Documents:
You do not need to provide any physical documents. It is sufficient to verify that you own the domain.
Validation Methods:
Can be done using any of the following:
- Email validation
- Adding a DNS record
- Uploading a specific file to the FTP directory
2. Business SSL Certificate (OV – Organization Validation)
Required Documents:
- Tax Certificate
- CPA Opinion Letter
Validation Process:
- Domain ownership is verified.
- The company's legal identity and address are confirmed using public databases or official documents.
- Your company is checked in third-party verified websites' databases (such as Dun & Bradstreet – dnb.com).
- Validation can also be done via a phone call to a registered company phone number.
3. Extended Validation SSL Certificate (EV – Extended Validation)
Required Documents:
- Tax Certificate
- CPA Opinion Letter
- Certificate Request Form (EV Certificate Request - Short Form)
- Subscriber Agreement (Sectigo Certificate Subscriber Agreement)
Validation Process:
- Domain ownership is verified.
- The company's legal identity and address are confirmed using public databases or official documents.
- Your company is checked in third-party verified websites' databases (such as Dun & Bradstreet – dnb.com).
- Validation can also be done via a phone call to a registered company phone number.
Validation and Installation Support:
If you purchase an OV or EV SSL certificate through Atak Domain, our expert technical support team will provide free validation and installation assistance.