London tops Europe’s tech ecosystem, ranks fourth globally

London has reclaimed its position as Europe’s leading technology ecosystem, overtaking Paris to rank fourth globally behind only the Bay Area, New York, and Boston, according to the latest Dealroom Global Tech Ecosystem Index. The city’s return to the top spot is attributed to a surge in venture capital investment, particularly in artificial intelligence, and the continued creation of high-value startups.

Last year, London-based tech companies raised 17.7 billion dollars, with investment in AI nearly doubling to approximately 7 billion dollars. The city is now home to 138 unicorns, or privately held startups valued at over 1 billion dollars, including AI firms Wayve and ElevenLabs and fintech companies Revolut and Monzo. The recovery marks a reversal from the previous year when Paris had briefly taken the lead.

The influx of major U.S. AI companies has been a significant factor. Firms including Anthropic and OpenAI have established or expanded substantial operations in London, particularly around the Kings Cross knowledge quarter. Anthropic has announced plans for a major new London office with capacity for 800 staff. This expansion is reshaping the local talent market, with...