Peter Kyle, the new business and trade secretary, has pledged to deliver an "ambitious" growth agenda, telling the bosses of some of Britain's biggest companies that he wants the government to play a role in creating the UK's first trillion-dollar company.

Sky News has learnt that Mr Kyle held a hastily convened call with business leaders on Saturday afternoon following his appointment as Jonathan Reynolds' successor.

The call was joined by chief executives or their equivalents from companies including BAE Systems, Heathrow Airport , Microsoft UK, NatWest Group and Octopus Energy.

Representatives of business groups, including the CBI, FSB and Make UK also participated, according to insiders.

Mr Kyle said the overlap between the Department for Business and Trade (DBT) and Depart

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