Symantec world headquarters is located in Cupertino, California. The main manufacturing facility is in Dublin, Ireland. In addition, Symantec has security research and response centers, development facilities, and technical support and customer services centers worldwide.
Symantec World Headquarters
50 Ellis Street
Mountain View, CA 94043
Phone: +1 650-527-8000
6 Temasek Boulevard, #11-01 Suntec Tower 4, Singapore 038986