The boss of one of the world’s most influential investment firms has called for “consistency” in the government’s business strategy, pointing out that Britain has had six chancellors and four prime ministers since 2019.

On stage with Rishi Sunak at the government’s global investment summit at Hampton Court Palace yesterday, Stephen Schwarzman, chief executive of Blackstone, the private equity group, said: “Something that people in the government may not be as sensitive to is that people like us need consistency. We need to be able to trust what’s going to be happening.”

Blackstone, which has assets under management worth $900 billion, has invested $27 billion in Britain over the past two decades and is the largest provider of affordable housing in the UK. It