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Arm Holdings Global Headquarters

Global Headquarters : 110 Fulbourn Road, Cambridge, UK CB1 9NJ
Tel: +44 (1223) 400 400 
Website :

North American Headquarters : 120 Rose Orchard Way. San Jose, CA 95134-1358
Tel: +1 (408) 576 1500
Fax: +1 (408) 576 1501

Arm Holdings plc is a British semiconductor and software design company based in Cambridge, England whose primary business is the design of the ARM architecture family of central processing units (CPUs). It also designs other chips, provides software development tools under the DS-5, RealView and Keil brands, and provides systems and platforms, system-on-a-chip (SoC) infrastructure and software. As a "holding" company, it also holds shares of other companies