London is a major global tech hub with the largest tech startup ecosystem in Europe. It is home to over 46,000 digital technology companies that employ 240,000 people. London attracts digital talent from its 16,000 computer science students and 71,497 professional developers. The city also offers a business friendly environment for tech companies through tax incentives and visas. Convergence of talent, infrastructure, capital and cross-fertilization of ideas have made London a top destination for tech firms to grow.