When private equity giant KKR swept in with a £1.4bn takeover for British energy infrastructure company Smart Metering Systems in early December you could almost hear whoops of delight in Canary Wharf.

The deal joined a late flurry of takeovers for London listed companies, including Hotel Chocolat and The Restaurant Group, and gave deal-starved bankers a late year fillip.

But despite the late bounce, 2023 has been an annus horribilis for the UK takeover market, with overall activity hitting a decade-long low.

The reason? Private equity titans such as KKR, which generally keep M&A buoyant when the rest of the market dries up, have largely sat on the sidelines.

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