The United States and Switzerland have announced a framework trade agreement that includes the US slashing its tariffs on imported Swiss products to 15 per cent from 39 per cent and a pledge by Swiss companies to invest billion of dollars in the US by the end of 2028.

The United States and Switzerland, joined by Liechtenstein, aim to conclude negotiations to finalise their trade deal by the first quarter of 2026, the White House said in a statement.

US Trade Representative Jamieson Greer said the agreement tears down longstanding trade barriers and opens new markets for US goods.

He welcomed "massive Swiss investment to help reduce our deficit in pharmaceuticals and other key sectors" that will generate thousands of jobs across the US.

Of the $US200 billion ($A307 billion) in pledged S

See Full Page