The 15 Hottest Tech Companies In Cambridge

Cambridge was filled with technology companies long before London's new startup scene began to emerge.

The cluster of hardware and software companies in Cambridge has even been dubbed "Silicon Fen."

The city is a tech hotspot because of its proximity to the science and engineering talent coming out of Cambridge University, its closeness to London, and the relative cheapness of its rents. Apple just opened a new office there, for instance.