QuoVadis operates three Root CAs known as RCA, RCA2, and RCA3 which undergo annual audits and accreditations. The QuoVadis root certificates are widely distributed, and are tagged for Extended Validation in browsers that support the EV standard. QuoVadis EV SSL certificates are logged in Certificate Transparency.


  • Amazon Silk
  • Apple Safari 1.0+ (including mobile Safari)
  • Google Chrome
  • Microsoft Internet Explorer 5.0+ (including Maxthon and others)
  • Microsoft Edge
  • Mozilla Firefox 1.02+ (including mobile)
  • Opera 9.26+ (including Opera Mini, Mobile, and Chromium)
  • Vivaldi

Operating Systems

  • Microsoft Windows XP, Vista, 7, 8, 10 (all versions including 32/64 bit)
  • Apple OS/X 10.2+
  • Java Standard Edition v6_u15+
  • All major Linux distributions (Debian, Ubuntu, SUSE, etc)

Mobile Devices

  • Apple iOS (iPhone, iPod, iPad)
  • Google Android
  • Microsoft Windows Phone 7+
  • Amazon Kindle and Fire
  • Palm webOS
  • RIM Blackberry 4+
  • Symbian OS ^2
  • Tizen
  • MeeGo (including Maemo, Moblin, and others)

Email Clients

  • Apple Mail Balsa
  • Eudora
  • Evolution
  • Lotus Notes
  • Microsoft Outlook and Outlook Express
  • Microsoft Entourage
  • Mozilla Thunderbird
  • RIM Blackberry Mail (part of Core Applications)


  • Adobe Acrobat 9+ and Adobe Reader 9+
  • Microsoft Office
  • Open Office/Libre Office
  • Java JRE v6_u15+ (as well as Exelsior JET, IBM Java SDK etc.)
  • European Qualified Trust Service List (TSL)
  • Microsoft Azure cloud services

In addition, QuoVadis roots are trusted in the wide array of OSS applications that use the Mozilla Network Security Services (NSS) libraries 3.9+

QuoVadis continues to pursue additional distributions in all new commercial and open source software communities.