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 Digital Verification Orchestrator blueprint Jun 2026 - Digital verification is now critical infrastructure for UK financial services and for the wider digital economy. This report sets out a practical route from blueprint to implementation. Digital Verification Orchestrator blueprint Research Report Workplace financial wellbeing Jun 2026 - How employers can support their employees' financial resilience and prioritise financial well-being support that centres on education and is built around real-world scenarios. Workplace financial wellbeing Research Report Recruiting and retaining female digital talent Jun 2026 - A call for employers to take urgent action to address barriers women face in digital roles, or wanting to transition into them. Recruiting and retaining female digital talent Case Study Allica Bank | scaling Britain’s SME fintech challenger from London Jun 2026 - Clare Gambardella, Conrad Ford, Chief Product & Strategy Officer at Allica Bank, talks to us about why London remains such a powerful environment for scaling fintech businesses Allica Bank | scaling Britain’s SME fintech challenger from London