Microsoft, Nvidia, Google, OpenAI, and Salesforce have unveiled over $40 billion in AI investments in the UK, in a coordinated effort coinciding with President Trump’s visit. Microsoft leads with a $30 billion commitment for a major supercomputer featuring 23,000 GPUs. Nvidia follows with a $15 billion investment deploying 120,000 Blackwell chips. This commitment is a strategic push to establish the UK as a competitive AI hub amid rising US-China tech tensions, promising high-wage job creation.