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Major U.S.-based tech giants, led by Microsoft’s $30 billion push, unveiled their plans to invest in the U.K. to strengthen artificial intelligence (AI) infrastructure over the coming years, with total commitments surpassing $40 billion during President Donald Trump’s three-day visit to the country.
The moves are part of the U.K.-U.S. Technology Partnership agreed upon during Trump’s visit, following another "major deal" signed in May that lifted steep tariffs Trump had introduced in April, particularly on high-technology export-oriented sectors of the British economy.
Microsoft, one of the world’s largest software and cloud providers, confirmed a $30 billion investment in the U.K. between 2025 and 2028 to expand artificial intelligence (AI) infrastructure and operations nationwide. Vice Chairman and President Brad Smith described it as "the largest financial commitment we’ve ever made in the U.K."
The plan includes $15 billion in capital expenditures to strengthen cloud and AI systems, alongside the construction of the country’s largest supercomputer, equipped with more than 23,000 NVIDIA GPUs.
Prime Minister Keir Starmer said the investment showed international confidence in the U.K.’s role in AI and advanced technology, stressing that it would support thousands of highly skilled jobs and help keep the country at the forefront of global innovation.
"We are proud to partner with world-leading companies like Microsoft to build a future powered by British ingenuity and ambition," Starmer added.
Microsoft said the capital investment will also expand its data center footprint to meet rising demand for AI across sectors. Clients already adopting its tools include Barclays, the National Health Service (NHS), the London Stock Exchange Group, Vodafone, the Premier League, the U.K. Met Office, Unilever, and autonomous driving startup Wayve.
Google, the global search engine and cloud services company, pledged $6.8 billion to support AI development in the U.K. A central part of the investment will be a new data center in Waltham Cross, about 20 kilometers (12.4 miles) north of London. The facility is expected to serve rising demand for Google’s cloud, search, and AI-driven services.
OpenAI, the artificial intelligence research company backed by Microsoft, unveiled "Stargate U.K.," a localized version of its large-scale Stargate project being developed with Japan’s SoftBank and U.S. technology firm Oracle.
The U.K. initiative will partner with Nscale and Nvidia to deploy 8,000 GPUs dedicated to AI applications.
U.S.-based semiconductor company Nvidia, known for its advanced graphics processing units (GPUs), announced a $15 billion joint investment with cloud infrastructure firm Nscale and U.S. computing provider CoreWeave.
The project involves distributing 120,000 Blackwell GPU chips, which the partners said will form the largest AI infrastructure deployment in Europe.
Meanwhile, CoreWeave said it will invest an additional £1.5 billion ($1.9 billion) to expand the country’s AI data center capacity.
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