Now that the meeting is over, we're learning that President Donald Trump and two top aides talked about trade issues with Cook as the White House prepares to try to avert a trade war with China, a manufacturing hub for the iPhone maker.
"It appears that President Trump got the message from the many Londoners who love and admire America and Americans but find his policies and actions the polar opposite of our city's values of inclusion, diversity and tolerance", Khan had said in a statement after Trump tweeted his decision to abandon a so-called "working visit" to London in February to open the new United States embassy building.
The long-awaited and controversial trip is expected to be a "working visit" rather than a full-blown state occasion.
Mr Trump's mother was born of the Isle of Lewis, and he often visited Scotland before becoming President.
He was also among business leaders who criticised Trump after the president cast equal blame on white nationalists and anti-racism activists for violence past year in Charlottesville, Virginia. It will include meetings with May and her aides, who are eager to begin talks on a new trade agreement with the United States as Britain nears its exit from the European Union.
It was also not immediately clear how long Trump would stay on his visit, which would come more than a year after taking office.
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Roma semifinal and was assaulted during an altercation between Roma and Liverpool fans near to the Albert pub at about 7:35 p.m. (1835 UTC)", police said.
"London has experienced several terrorist atrocities recently, and it is unlikely that it would be possible for you to make a state visit to the city without a level of security that would effectively place it at a stand-still".
The visit had been repeatedly delayed amid a series of diplomatic spats and fears that it could be overshadowed by mass protests. Parisians largely shrugged when he visited the French capital in July.
Trump canceled a trip to London previous year, blaming it on disliking the new USA embassy. Aides in Washington and London had commenced initial talks for the short stopover.
Her bio on Apple's website says she oversees the company's 'efforts to minimize its impact on the environment by addressing climate change through renewable energy and energy efficiency, using greener materials, and inventing new ways to conserve precious resources'.
"Bad deal. Wanted me to cut ribbon-NO!" he tweeted.