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 AI in financial services: emerging global norms Jan 2026 - This report maps national approaches across different jurisdictions and recommends interoperable, principles‑based supervision anchored in existing frameworks rather than new AI‑specific global rules. AI in financial services: emerging global norms Thought Piece The technologies shaping UK financial services in 2026 Jan 2026 - A look ahead at some of the key developments in financial services innovation to look out for in the coming 12 months. The technologies shaping UK financial services in 2026 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