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 Research Report Untapped digital talent: the £3bn opportunity Feb 2026 - With the current digital talent pipeline failing to keep pace with rising demand, there is an opportunity to embrace non-traditional forms of recruitment and access a previously overlooked pool of high-potential talent. Untapped digital talent: the £3bn opportunity Thought Piece Sustainable finance in 2026: a leadership moment for the UK Feb 2026 - A closer look at the sustainable finance trends investors should watch in the year ahead — and why London is at the centre of the action. Sustainable finance in 2026: a leadership moment for the UK Research Report Securing the transition Jan 2026 - Scaling the Long-Duration Energy Storage sector will be vital in helping the UK Government meet its 2030 target, reduce the UK’s reliance on fossil fuels and help bring down electricity bills. Securing the transition Research Report Our global offer to business Jan 2026 - The 6th edition of our annual report benchmarking the UK’s competitive position relative to other global financial centres. Our global offer to business