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 News Quantum Computing Hackathon Aug 2025 - Take part in a first-of-its-kind Quantum Hackathon focused on transforming UK financial services. Quantum Computing Hackathon Thought Piece Baku to Belém: Reflections from Net Zero Delivery Summit 2025 Jul 2025 - The Net Zero Delivery Summit marks the crucial halfway point between climate COPs. The message of the day was a celebration of action, and championed the central role of finance in the path to net zero. Baku to Belém: Reflections from Net Zero Delivery Summit 2025 Research Report The City of London Corporation's work in support of financial and professional services: annual review 2024/2025 Jul 2025 - Explore the progress we’ve made in championing the UK’s financial and professional services industry in 2024/2025. The City of London Corporation's work in support of financial and professional services: annual review 2024/2025 News Employer Pension Pledge Jul 2025 - The Employer Pension Pledge aims to enhance the value of pensions by promoting a focus on value for money rather than just cost when selecting pension providers Employer Pension Pledge