Mark Zuckerberg has become the latest former Donald Trump critic to make his way Mar-a-Lago to break bread with the incoming US president.

The tech mogul had banned Trump from the social media sites Instagram and Facebook, which he owns, following the January 6 riot that the president-elect egged on in an attempt to overthrow the results of the 2020 election.

On Wednesday, however, the incoming White House deputy chief of policy, Stephen Miller, told Fox News that Zuckerberg, 40, had dined with Trump at his Florida compound.

“Mark, obviously, he has his own interests, and he has his own company, and he has his own agenda,” Miller said. “But he’s made clear that he wants to support the national renewal of America under President Trump’s leadership.”

Zuckerberg, whose personal fortune is estimated at $200bn, has previously indicated a thawing of relations between himself and the president-elect.

After Trump survived an assassination attempt in July and pumped his fist saying “fight, fight, fight”, Zuckerberg called it “one of the most badass things I’ve ever seen in my life”.

A month later, in a book called Save America, Trump still accused Zuckerberg of “plotting” against him during the 2020 election by “steering” Facebook against his campaign. He threatened Zuckerberg that if it happened again he would “spend the rest of his life in prison”.

In the book Trump also noted that Zuckerberg would visit him at the White House “with his very nice wife, be as nice as anyone”, but then claimed the CEO turned Facebook against his 2020 campaign – possibly referring to a $420m donation Zuckerberg’s charity made to fund election infrastructure in 2020.

“He told me there was nobody like Trump on Facebook. But at the same time, and for whatever reason, steered it against me,” Trump wrote in the book. “We are watching him closely, and if he does anything illegal this time he will spend the rest of his life in prison – as will others who cheat in the 2024 Presidential Election.”

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A spokesperson for Meta, Facebook’s parent company, told the BBC: “Mark was grateful for the invitation to join President Trump for dinner and the opportunity to meet with members of his team about the incoming administration.

“It’s an important time for the future of American Innovation,” the statement added.

Meta is among several of the tech giants to hold contracts with the federal government. Earlier this month, the company announced it had approved a collaboration to integrate its Llama AI division into government operations.