U.S. President Donald Trump’s state visit to the UK in September 2025 focused heavily on strengthening US-UK cooperation in artificial intelligence (AI) and other high-tech sectors
. AI was a central theme, highlighted by a major “Tech Prosperity Deal”
signed with UK Prime Minister Keir Starmer and significant investment pledges from top American tech companies.
The visit marked a new chapter in the US-UK “special relationship,” emphasizing technology as a key area for collaboration. It also sparked discussion and controversy, both due to Trump’s domestic policies on AI and ongoing protests in London.
Key components of the AI agreement
A "Tech Prosperity Deal": The central agreement of the visit was a partnership in AI, quantum computing, and nuclear energy.
Record investment in the UK: U.S. tech and finance companies pledged over £150 billion ($205 billion) in UK investments over several years.
AI infrastructure and supercomputing: Microsoft alone pledged $30 billion for UK AI projects, including constructing Britain's largest supercomputer. NVIDIA and Google also announced significant investments in UK AI infrastructure and research.
Stargate AI project: The deal includes a UK branch of Stargate, an AI project backed by Trump and led by OpenAI. Broader meaning and implications
Economic and technological alignment
The agreement positions the UK as a primary destination for U.S. technology investment, cementing it as a major player in the AI race. The deal is framed as a way for the U.S. and UK to jointly lead global AI development.
Ideological and political aspects
The focus on AI was a key part of the Trump administration’s agenda, which emphasizes a deregulatory approach to accelerate American AI dominance and remove what it calls “woke” biases from AI systems. Critics argue these ideological standards may limit innovation and raise free speech concerns.
Public perception and protest
As with Trump’s 2019 visit, the 2025 state visit was met with protests in London. Anti-Trump sentiment in the UK remains high, with protests opposing his domestic policies and linking the AI deal to concerns about climate and ethics.
Business community reaction
Reaction from the business community has been mixed. Some tech leaders, like NVIDIA’s CEO, praised the UK’s AI ecosystem. However, others expressed skepticism. Former UK Deputy Prime Minister Nick Clegg, now at Meta, called the announced deals “mutton dressed as lamb,” suggesting they were overhyped.
AI context from the Trump administration
The visit’s tech deal is consistent with several AI policies and executive orders issued by the Trump administration in 2025:
"America's AI Action Plan": Released in July 2025, this plan promotes American AI dominance by accelerating innovation, building infrastructure, and advancing international diplomacy.
"Preventing Woke AI" executive order: This order directs federal agencies to procure large language models (LLMs) that are "truth-seeking" and "ideologically neutral".
Deregulation: A series of orders aim to remove regulatory hurdles for AI development and data center