Nigel Farage, the interim leader of the UK Independence Party, is expected to meet with Donald Trump for the first time since he was elected president.
Mr Farage, who campaigned at Mr Trump’s election rallies, also made clear that he was keen to help the British Government forge links with the US-president elect, despite being described as an “irrelevance” by Downing Street.
The Daily Telegraph disclosed on Friday how Liam Fox, the international trade secretary, was planning to contact Mr Farage for advice on who to approach in Mr Trump’s inner circle.
Mr Farage – who is due to meet with Mr Trump in New York on Saturday – told The Daily Telegraph he would be delighted to help his country forge new links with President-elect Trump.
Mrs May is not expected to meet with him for another two months, preferring to wait until after Mr Trump’s inauguration.
He said: “If I am called of course I will help – I am interested in doing the best for the country.
“If it is Liam Fox, David Davis and the Prime Minister herself or even an underling, I will do what I can to help for the good of Great Britain.”
Conservative MPs urged Mrs May to set aside party political differences and make use of Mr Farage’s contacts with the Trump camp.
Sir Gerald Howarth, a former defence minister, said: “I personally see no reason why not.
“Farage clearly struck a chord with Trump and Trump struck a chord with him. He has been on our side in the Brexit campaign, on the winning side, so his judgement was correct on that.
“I just do not think in the current climate you should forego any opportunity – if Farage can access parts that we can’t reach then fine.”
The news came as Boris Johnson, the foreign secretary, called for people to stop their “collective whinge-o-rama” about the result of the election.
Mr Johnson said: “I believe that this is a great opportunity for us in the UK to build on that relationship with America that is of fundamental economic importance to us, but also, great importance for the stability and prosperity of the world.
“I would respectfully say to my beloved European friends and colleagues that it’s time that we snapped out of the general doom and gloom about the result of this election and collective ‘whinge-o-rama’ that seems to be going on in some places.”