Microsoft is announcing a $30 billion (£22 billion) investment in AI infrastructure and ongoing operations across the UK

Microsoft has announced its largest ever UK investment, pledging £22bn to expand AI infrastructure and build the country’s largest supercomputer, as president Donald Trump touched down in London for his state visit.

The commitment forms part of a wider US-UK Tech Prosperity Deal , encompassing £31bn of American investment across AI, quantum computing, and advanced nuclear energy in a move hailed as “historic” by tech chiefs and diplomats.

Prime minister Sir Keir Starmer described the mega cash injection as “a generational step change in our relationship with the US, shaping the futures of millions on both sides of the Atlantic, and delivering growth, security and op

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