The US has warned the EU against pursuing “protectionist” technology policies that exclusively target American companies, ahead of Joe Biden’s first presidential visit to Brussels.

The National Security Council, an arm of the White House, wrote last week to complain about the tone of recent comments about the EU’s flagship tech regulation, as debates are about to begin in the European parliament.

“We are particularly concerned about recent comments by the European Parliament rapporteur for the Digital Markets Act, Andreas Schwab, who suggested the DMA should unquestionably target only the five biggest US firms,” said the email, seen by the Financial Times and dated June 9.