After Brexit (especially after a hard Brexit) the UK will be desperate for new Free Trade Agreements.
Out single biggest trade partner is the US so is the obvious place to start. The Brexiteers such as Ian Duncan Smith and Rees Mogg have stated such.
But
Donald Trump’s trade chief has urged Britain’s rivals to exploit the “God-given opportunity” of Brexit to steal business from the UK.
www.thetimes.co.uk/article/use-brexit-to-steal-uk-trade-says-trump-aide-22rkpmfr7?utm_content=buffer78d23&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer
Being desperate is not a great point to start a negotiation as we have just found out with the EU.