Cisco Systems, Inc. is an American company in the telecommunications industry. It is primarily known for its routers and switches, which are used by a substantial part of the Internet backbones. Cisco was founded in December 1984 by a group of scientists (primarily Leonard Bosack and Sandy Lerner) from Stanford University near San Francisco.
As of December 2025 Cisco has a market cap of โน28.021 Trillion. This makes Cisco the world's 37th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 8th, 2025 the market cap of Cisco was reported to be: