President Donald Trump’s state visit to Britain has yielded a record-breaking £150 billion ($205 billion) in investment commitments, primarily from American technology and financial powerhouses, in what Prime Minister Keir Starmer hailed as the “biggest investment package of its kind in British history.”
The multi-year pledges—centred on artificial intelligence, cloud computing, and advanced technology—were announced on Thursday as Trump and Starmer signed a landmark “Tech Prosperity Deal.” The agreement also covers cooperation in nuclear, quantum, and space technologies, reinforcing what Trump described as efforts to help “America and our British allies dominate the future of artificial intelligence.”
Big Tech Leads the Way
The largest single investment comes from US private equity giant Blackstone, which will pour £90 billion into UK assets over the next decade.
Microsoft unveiled its “largest ever UK commitment”—a $30 billion investment across four years. Half will be directed into AI and cloud computing infrastructure, including the creation of Britain’s largest supercomputer. “We’re committed to ensuring America remains a trusted and reliable tech partner for the United Kingdom,” said CEO Satya Nadella.
Google pledged £5 billion over the next two years to drive AI development, strengthen cybersecurity, and create an estimated 8,250 jobs annually.
Meanwhile, British firm Nscale has partnered with OpenAI and chipmaker Nvidia to establish Stargate UK, a large-scale AI infrastructure project designed to deploy OpenAI technology on sovereign British systems. Nvidia said it would deliver 120,000 advanced GPU chips nationwide—its biggest-ever rollout in Europe.
Pharma and Finance Join In
Pharmaceutical giant GlaxoSmithKline (GSK), while supporting the UK’s commitments, also announced a $30 billion investment in the United States over the next five years.
The plan includes a $1.2 billion biologics factory in Pennsylvania to advance treatments for cancer and respiratory diseases, aligning with Trump’s push to expand drug manufacturing on American soil.
On the financial side, Bank of America, BlackRock, Citigroup, PayPal, and S&P Global will inject a combined £1.75 billion into their UK operations.
Political and Economic Stakes
The investment wave comes at a critical moment for Starmer, who faces domestic pressure over a stagnant economy and divisions within the Labour Party.
For Trump, the deals bolster his image as a dealmaker ahead of his re-election push, while reinforcing transatlantic ties following a trade agreement earlier this year that eased some of his own tariff measures.
Still, the announcements sparked debate at home. Former UK deputy prime minister Nick Clegg, recently stepped down from his role at Meta, criticised Britain’s reliance on US tech, warning the country risks becoming a “technological vassal state.”
Despite such criticism, the UK government framed the package as transformative, with Starmer declaring it a “generational investment” to position Britain as a global leader in artificial intelligence and advanced technologies.
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