Donald Trump has promised to bring the UK and the USA "even closer"
The new president's press secretary Sean Spicer said this evening the administration was looking forward to the PM's visit this week – the first by any foreign leader.
He said: "We're announcing Theresa May coming this Friday, we're excited to have the Prime Minister here.
"I think we've always had that special relationship with Britain and that reflects in the Prime Minister's first visit.
"He had a great conversation and he looks forward to having her here and we can always be closer."
Mrs May has already said she hopes to host Mr Trump in Downing Street in 2017.
The best photos from Donald Trump's historic inauguration
Mon, January 23, 2017
The inauguration of Donald Trump as the 45th President of the United States will mark the commencement of the four-year term of Donald Trump as President and Mike Pence as Vice President. A public ceremony will be held on Friday, January 20, 2017.
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President Donald Trump waves as he walks with first lady Melania Trump and son Barron during the inauguration parade.
She said: “I look forward to welcoming president Trump some time this year if that is possible.
“There will be many issues for us to talk about because obviously the special relationship between the US and the UK has been strong for many years.”
Mr Trump said Britain was "smart" to vote to leave the EU
It comes after Mr Trump said Britain was “smart” to vote for Brexit.
He said last week: “Brexit is going to end up being a great thing.
"We're gonna work very hard to get it done quickly and done properly. Good for both sides.
“Countries want their own identity and the UK wanted its own identity.
“I do think if they hadn't been forced to take in all of the refugees than you wouldn't have a Brexit."
Mr Trump withdrew the US from the TPP agreement this evening
The business mogul predicted other EU states would follow suit and quit the bloc.
President Barack Obama had previously warned the UK would be at the "back of the queue" if they voted to leave the European Union.
The US president promised to meet with Theresa May to discuss a new trade USA-UK trade deal
Mr Trump said: "Trump said Brexit is going to happen, and it happened. Everybody thought I was crazy.
"Obama said, 'They'll go to the back of the line,' and then he had to retract his statement."