What is an extended validation (EV) SSL certificate?

What is an extended validation (EV) SSL certificate?

Extended Validation SSL Certificates (EV SSL) function as the highest class of SSL certificates, activating both the padlock and the Green Address Bar in most browsers.


Extended Validation SSL Certificates (EV SSL) function as the highest class of SSL certificates, activating both the padlock and the green address bar in most browsers.

What is the green address bar?

Web-fraud scams constantly evolve and adapt. With concerns about identity theft and online imposters increasing, the Green Address Bar offers an easy method of identifying an authentic website.

Figure 1. Samples green address bar.

Client requirements

Client requirements are as follows:

  • Verify the existence of your business.

  • Verify the ownership of your domain name.

  • Verify your employment status or authority to request the EV SSL certificate within the company.

You may be required to provide official government documentation proving your right to do business. These documents may include one or more of the following:

  • Proof of Domain Ownership

  • Online public directory information

  • Articles of Incorporation

  • Certificate of Formation

  • Charter Documents

  • Business License

  • Doing Business As

  • Registration of Trade Name

  • Partnership Papers

  • Fictitious Name Statement

  • Vendor/Reseller/Merchant License

  • Merchant License

How is the EV SSL certificate issued?

An Extended Validation (EV) SSL certificate is structurally similar to other certificates, offering the same level of security. but was designated by a CA specific policy identifier so that EV aware software can recognize a EV secured site. EV certificates are issued by Nexcess according to a specific set of identity validation criteria. Refer to How to purchase an EV standard SSL certificate for more information.  


An EV SSL Certificate helps visitors complete secure transactions with confidence because your site has the Green Address Bar in web browsers. This gives your site a potential competitive advantage over sites without this feature, translating into higher conversion rates and more revenue.

Other features include:

  • Green Address Bar

  • Site Seal with EV Upgrade

  • Extended validation

  • Next Generation 2048-bit SSL

  • 256-bit encryption

  • Browser support

  • Mobile support

  • Free replacement

  • US$250,000.00 Warranty

If you wish to purchase an EV SSL Certificate, visit the Nexcess website or contact our Sales Team between 9 a.m. and 5 p.m. eastern time (ET), Monday - Friday.

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