The Plain Record

Neutral daily news — clear headlines, complete facts.

Business

US Trade Representative says 100% tariff threat against UK is not a bluff

U.S. Trade Representative Jamieson Greer stated a 100% tariff threat against U.K. goods is serious due to a dispute over Britain's tax on U.S. tech firms.

Published August 18, 2026 at 6:13 AM EDT

The short answer

U.S. Trade Representative Jamieson Greer stated a 100% tariff threat against U.K. goods is serious due to a dispute over Britain's tax on U.S. tech firms.

US Trade Representative says 100% tariff threat against UK is not a bluff

The Facts

Who
U.S. Trade Representative Jamieson Greer, President Donald Trump, and U.K. Business and Trade Secretary Jonathan Reynolds
What
Trade Representative Jamieson Greer stated that President Trump's threat to impose a 100% tariff on UK goods over its digital services tax is "not a bluff," though no deadline has been set.
When
Tuesday, August 18, 2026
Where
Washington D.C. and London
Why
The U.S. opposes the U.K.'s 2% digital services tax on American technology companies, viewing it as discriminatory trade policy.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. 2020

    UK implements digital services tax on large tech firms

  2. June 1, 2024

    President Trump warns of 100% tariff on countries with digital taxes

  3. July 1, 2026

    US reduces EU tariffs to 10% to match UK rates

  4. August 18, 2026

    US Trade Representative Jamieson Greer affirms tariff threat in interview

U.S. Trade Representative Jamieson Greer stated that President Donald Trump’s threat to impose a 100% tariff on British goods is "not a bluff." The warning follows the United Kingdom's implementation of a digital services tax, which affects large American technology companies including Apple, Google, and Meta. Greer indicated that while the U.S. administration is eager to enforce trade policy, no specific deadline has been set for the U.K. to respond.

The U.K. digital services tax, established in 2020, applies a 2% levy on search engines, social media platforms, and online marketplaces that generate global digital revenues exceeding £500 million. The British Treasury reported that the tax raised £800 million in the 2024/25 fiscal year, an increase from £678 million the previous year. President Trump has criticized the tax as discriminatory against American firms, first issuing a warning in May and reiterating the threat on social media in June.

While the U.S. has not yet taken action on the 100% tariff threat, it adjusted other trade levies in July. During that month, the U.S. reduced tariffs on European Union states from 15% to 10%, matching Britain's existing 10% rate. The British Chambers of Commerce expressed concern that this change removed a comparative advantage for the U.K., which counts the U.S. as its largest single export market. Greer noted that he maintains a "constructive" relationship with U.K. Business and Trade Secretary Jonathan Reynolds despite the ongoing dispute.

For the U.K. government, the scale of the dispute involves approximately £800 million in annual tax revenue—about £28 per U.K. household—that helps fund public services. A decision to repeal the digital services tax to avoid U.S. retaliation would leave a gap in the national budget. Conversely, maintaining the tax could trigger trade barriers that the British Chambers of Commerce warns may further erode the U.K.'s competitive standing against European Union neighbors who now face lower U.S. tariff rates than they did previously.

The knock-on effects could influence international tax policy, as the U.S. has used these threats to successfully pressure other nations, such as Canada, to roll back similar digital levies. The outcome of this standoff will set a precedent for how Prime Minister Andy Burnham’s administration manages trade relations under the U.K.-U.S. trade agreement. While Greer has not set a formal deadline, the U.S. trade representative confirmed the administration is actively seeking the elimination of these taxes, suggesting ongoing pressure in the coming months as trade talks continue.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

← Back to the front page

Questions readers ask

What happened: US Trade Representative says 100% tariff threat against UK is not a bluff?

Trade Representative Jamieson Greer stated that President Trump's threat to impose a 100% tariff on UK goods over its digital services tax is "not a bluff," though no deadline has been set.

Who is involved?

U.S. Trade Representative Jamieson Greer, President Donald Trump, and U.K. Business and Trade Secretary Jonathan Reynolds

When did this happen?

Tuesday, August 18, 2026

Where did this happen?

Washington D.C. and London

Why does this matter?

The U.S. opposes the U.K.'s 2% digital services tax on American technology companies, viewing it as discriminatory trade policy.