Posted: 21 Oct 2021 Resource Type: Research Report Download Back The UK’s tech ecosystem is one of the most competitive in the world. Its growing presence is a signal of the strength of research and development in the UK, as well as the depth of investment and collaboration frameworks present. The Square Mile and the City cluster of businesses is home to much of this, creating a supportive atmosphere for tech companies to grow, with unrivalled access to the market for mentorship, investment, and business development. ‘One of the things that makes London so attractive to tech firms is its advanced and interconnected business ecosystem. The clusters of expertise in fields such as banking, consultancy, law, insurance and accounting mean that all the services a new business needs are right here on the doorstep, along with a talented workforce drawn from across the globe.’ ‘The growth of tech in the City has enhanced and strengthened the other businesses here – who benefit from both the technological innovation and the influx of innovative thinking.’ Alderman William Russell Rt Hon Lord Mayor of the City of London Catherine McGuinness Policy Chair of the City of London Corporation $585bn Value of UK tech start-up and scale-up ecosystem 350 More than 350 start-up incubators and accelerators across the country 6,600 Tech companies in the Square Mile Share: Share to LinkedIn LinkedIn Share to X Share to Facebook Facebook Share to WeChat WeChat Share to WhatsApp WhatsApp Share to Email Email Download Related content Thought Piece How has the EU and UK relationship evolved in 2025? Dec 2025 - For his final blog of the year, Nick Collier looks back on EU/UK relations in 2025. How has the EU and UK relationship evolved in 2025? Thought Piece Sustainable Finance Innovation Wrapped Dec 2025 - Highlighting UK sustainable finance progress in 2025: convening the Transition Finance Council, advancing carbon markets and standards, and hosting NZDS. Sustainable Finance Innovation Wrapped Research Report Vision for Economic Growth: two years on Dec 2025 - Vision for Economic Growth set out nine big moves for government and industry in partnership. Our scorecard shows progress and next steps two years on. Vision for Economic Growth: two years on Multimedia Competitiveness benchmarking dashboard Nov 2025 - This interactive dashboard draws out seven key metrics to examine for the UK's offer in financial and professional services firms against those of other key international financial centres. Competitiveness benchmarking dashboard