America has warned that Sir Keir Starmer’s push to realign the UK extra intently with European Union guidelines dangers undermining transatlantic commerce, in a uncommon public intervention that highlights rising tensions over Britain’s post-Brexit technique.
Warren Stephens mentioned Washington views the UK authorities’s plan to reintroduce components of EU regulation, significantly in agriculture and meals requirements, as a possible impediment to commerce with the US.
“To the extent that that impacts US commerce and necessities, that’s going to be an issue,” he informed a enterprise viewers in London, including that such a transfer “is not going to be favourably obtained in Washington”.
The warning comes as Keir Starmer and Chancellor Rachel Reeves search nearer financial ties with Brussels, together with plans to reintroduce an preliminary tranche of 76 EU directives into UK legislation.
The proposed alignment, largely targeted on farming and meals requirements, is meant to clean commerce relations with the EU and scale back friction for exporters. Nevertheless, US officers concern it may complicate market entry for American items, significantly the place regulatory requirements diverge.
Stephens instructed that the UK’s try and steadiness its relationships with each Brussels and Washington may create competing pressures.
“I do know the EU is vital to the UK, and also you’ve received to do what’s finest for you,” he mentioned. “Nevertheless it does have implications for our commerce relationship.”
The feedback additionally replicate broader frustration in Washington over the tempo of progress on the UK-US commerce deal agreed final 12 months underneath Donald Trump.
Whereas the settlement got here into power in mid-2025, Stephens indicated that the US is eager to see quicker implementation and deeper integration.
“We’re excited by these offers and able to act,” he mentioned. “We need to see the identical urgency from our companions.”
Among the many proposals underneath dialogue is a framework that might enable firms to boost capital throughout UK and US markets utilizing home regulatory filings, a transfer geared toward strengthening monetary ties between the 2 economies.
The US ambassador contrasted Washington’s comparatively clean dealings with the UK in opposition to what he described as a tougher relationship with the EU, regardless of a commerce settlement signed final 12 months.
Delays in ratifying that settlement, partly linked to geopolitical tensions, have underscored the complexity of EU negotiations and could also be influencing US considerations concerning the UK shifting nearer to European regulatory frameworks.
Past commerce, Stephens additionally weighed in on broader financial coverage, urging the UK to make better use of home power assets, together with North Sea oil and gasoline, to help competitiveness and scale back prices.
On the similar time, he adopted a extra measured tone on the UK’s engagement with China, acknowledging the significance of the market whereas warning of the necessity to shield delicate applied sciences and mental property.
The intervention highlights the more and more delicate place going through the UK because it seeks to recalibrate its world relationships within the post-Brexit period.
Efforts to rebuild ties with the EU are seen by the federal government as important to boosting commerce and financial progress. Nevertheless, the US stays one of many UK’s most vital financial companions, and any perceived shift in the direction of European alignment dangers creating friction.
For companies, the potential divergence in regulatory requirements raises questions on market entry, compliance prices and long-term technique.
Because the UK pursues a extra pragmatic strategy to worldwide commerce, balancing relationships with each the EU and the US can be vital.
The most recent warning from Washington means that alignment with Brussels could include trade-offs, and that the trail to maximising financial alternative could also be extra complicated than anticipated.
For policymakers, the problem can be navigating these competing priorities with out undermining the UK’s place in both of its most vital buying and selling relationships.
