
A major blow to US-UK ties has occurred as the US has halted its planned multibillion-pound investment in British technology due to trade disputes.
Washington has placed on hold the £31 billion “tech prosperity deal,” which Keir Starmer described as “a generational step change in our relationship with the US” when it was launched during Donald Trump's state visit.
Plus, US tech companies have committed significant investments in the UK, including £22bn from Microsoft and £5bn from Google. However, Washington has halted the agreement's implementation, pointing to insufficient UK progress in reducing trade barriers in other sectors.
British officials attempted to minimise concerns regarding reports by the New York Times that Trump's administration was dissatisfied with the UK's digital services tax on American tech firms and its food safety regulations that restrict the export of specific agricultural products.
Besides, one British government source described the Americans' negotiation style as “the usual bit of hardball” and noted that the agreement for tariff-free British pharmaceutical exports to the US experienced fluctuations before its finalisation.
Howard Lutnick, the U.S. Commerce Secretary, is portrayed as a tough negotiator, emphasising that while the Americans negotiate hard for their interests, there is a commitment to standing firm for their own country's best interests.
Likewise, a government source indicated that negotiations with Washington involved the establishment of an artificial intelligence “growth zone” in northeast England, expected to generate up to £30 billion and create 5,000 jobs.
However, the agreement's text specifies that it only “becomes operative alongside substantive progress being made to formalise and implement” it.

The suspension of the agreement jeopardises the UK government's attempts to prevent tariffs on British exports after extensive diplomatic discussions with the US.
Remarkably, Starmer welcomed Trump during a state visit in September but has rebuffed US calls to change the UK's digital services tax, which generates around £800 million yearly and impacts major tech companies. Trump has warned of retaliation against countries imposing such taxes, including the UK.
During spring trade negotiations, the UK proposed modifications aimed at reducing payments from US tech companies and broadening the tax base, keeping overall revenue stable. Concurrently, the US is pressuring the UK on its online safety regulations, promising to evaluate enforcement during the talks.
A major controversy in the UK-US trade deal concerns the UK's food safety standards, which the US has criticised. The UK plans to lower tariffs on select US agricultural imports, including beef, while insisting on maintaining current farming standards.
Easing these standards might permit the importation of contentious items like chlorine-washed chicken and hormone-treated beef, prompting worry among farmers and consumers.
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At a September press conference, Starmer unveiled a tech prosperity deal aimed at transforming lives and revitalising the special relationship for a new era. He highlighted that technologies like AI and quantum can enhance human potential, address challenges, cure diseases, increase wealth and freedom, and strengthen democracy against tyranny.
Furthermore, Trump asserted that the deal would allow the US and UK to lead in artificial intelligence and technological advancements. Recently, UK business and trade secretary Peter Kyle engaged in negotiations in the US regarding whisky and steel tariffs, as well as cooperation on critical minerals, with plans for further discussions in January.
In short, a UK government spokesperson highlighted the strong special relationship with the US and the commitment to a tech prosperity deal benefiting both countries.
Starmer is expected to select a new ambassador to Washington after interviewing three finalists: Varun Chandra, the prime minister's business adviser involved in the prosperity deal; Christian Turner, the incoming UN ambassador; and Nigel Casey.
Posted On: December 18, 2025 at 08:56:46 PM
Last Update: December 26, 2025 at 10:17:17 AM
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