The city has upward of 3,000 tech startup sas well as Google’s largest office outside Silicon Valley.
"A preferred domicile for the global rich, London is not only the historic capital of the English language, which contributes to its status as a powerful media hub and major advertising center, but it’s also the birthplace of the cultural, legal and business practices that define global capitalism.London hosts the headquarters of 68 companies on the 2012 Forbes Global 2000 list and is a popular location for the regional HQs of many multinationals. (Our HQ ranking component, in which London ranks third, is based on GaWC’s 2012 Command and Control Index, which factors in company size and financial performance, as well as total number of Forbes Global 2k HQs)."
The article also highlights London’s position as Europe’s technology leader.
"Beyond these traditional strengths, London has become Europe’s top technology startup center, according to the Startup Genome project. The city has upward of 3,000 tech startup sas well as Google’s largest office outside Silicon Valley."