The United States has paused negotiations on a proposed technology trade deal with the UK, after officials in Washington grew frustrated with the pace of progress, according to a Financial Times report published on Tuesday.
The decision marks a setback for a flagship transatlantic initiative that was promoted as a major step toward closer cooperation on critical technologies.
The agreement, known as the technology prosperity deal, was announced in September during President Donald Trump’s state visit to the UK.
It was presented as a broad framework to deepen collaboration in areas such as artificial intelligence, nuclear fusion, and quantum computing.
While the announcement signalled strong political intent, discussions have since slowed, prompting the US to suspend talks last week.
Negotiations put on hold
The Financial Times reported that talks were halted by the US, citing unnamed British officials.
The pause reflects dissatisfaction in Washington over the lack of tangible progress following the initial unveiling of the deal.
Although no formal breakdown has been announced, the suspension indicates that the two sides have struggled to move from high-level commitments to concrete implementation.
An expert said the relationship with the US remains strong and reiterated the UK’s commitment to ensuring the technology prosperity deal delivers opportunities for people in both countries.
Scope of the proposed agreement
The technology prosperity deal was designed to align US and UK efforts across several emerging and strategically sensitive sectors.
A central focus of the agreement is the creation of AI-enabled research programmes that would allow scientists and institutions from both countries to collaborate more closely.
Planned areas of cooperation include the development of shared AI models and datasets in fields such as biotechnology and precision medicine.
These efforts were intended to support research into cancer, rare diseases, and chronic conditions.
Fusion energy was also identified as a priority, reflecting long-term ambitions to advance alternative energy technologies with potential global impact.
In addition to research collaboration, the deal aimed to strengthen institutional ties and policy coordination on advanced technologies that are increasingly central to economic competitiveness and national security.
UK investment backdrop
The pause in talks comes as the UK continues to deepen its engagement with US technology firms.
In September, the UK signed agreements worth £31 billion with major American companies, including Microsoft, Nvidia, Google, OpenAI, and CoreWeave, to expand domestic AI infrastructure.
These deals were positioned as part of a broader strategy to establish the UK as a leading destination for AI development and deployment.
They also underscored the extent to which the UK’s technology ambitions are intertwined with US capital and expertise.
The US is the UK’s largest trading partner, making technology cooperation a key component of the wider economic relationship between the two countries.
Broader implications
While the suspension introduces uncertainty, it does not eliminate the underlying strategic rationale for closer US-UK collaboration on advanced technologies.
Both governments continue to face pressure to maintain leadership in AI and other critical fields amid intensifying global competition.
For now, the pause highlights the challenges of translating political announcements into operational agreements, particularly in fast-moving sectors where regulatory, commercial, and security considerations intersect.
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