On Monday afternoon, the two biggest jobs were confirmed, with former home secretary Ms Patel being given the shadow foreign secretary role.
Former shadow work and pensions secretary Mel Stride, who ran in the Tory leadership race and is considered more of a moderate than Ms Badenoch, has been made shadow chancellor.
Robert Jenrick, who lost out to Ms Badenoch, is the new shadow justice secretary, sources told Sky News.
Earlier in the day, Laura Trott, who served as chief secretary to the Treasury under Rishi Sunak, was appointed shadow education secretary.
The new Tory leader made her first appointments on Sunday evening ahead of her new top team meeting for the first time on Tuesday.
Now the Conservatives are in opposition, the shadow cabinet’s role is to scrutinise the policies and actions of the government and to offer alternative policies.
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Nigel Huddleston and Dominic Johnson, junior ministers under Mr Sunak, were appointed joint chairmen of the Conservative Party.
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Badenoch: ‘We let standards slip’
Former foreign secretary James Cleverly, who came third in the leadership race, said on Friday he would not be joining Ms Badenoch’s top team.
Ex-prime minister Mr Sunak, his former deputy Sir Oliver Dowden, ex-chancellor Jeremy Hunt and former Brexit, health, and environment secretary Steve Barclay have all said they will be joining him on the backbenches.