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

Symantec Corporation
World Headquarters
350 Ellis Street
Mountain View, CA 94043
United States
Phone: +1 650-527-8000

Singapore Site

Symantec Singapore
6 Temasek Boulevard, #11-01 Suntec Tower 4, Singapore 038986