When and if Boris Johnson becomes Prime Minister, his first call from No 10 should be to John Mills, the home-shopping tycoon at his HQ on a run-down industrial estate near Kentish Town.

That’s where Mills runs JML, the highly-successful TV shopping channel which sells everything you might ever need for the home from ironing board covers to frying pans to gadgets that clean grouting.

Starting from scratch decades ago, Mills imports and exports more than 1,000 products which he sells either through his TV channel or the UK’s big supermarket chains. He does business with more than 85 countries.

From the outside, Johnson and Mills could not be more different. Mills is one of the Labour party’s biggest donors