Brookfield Buyout Fuels $920 Million Founder’s Family Office (1)

Richard Harpin amassed one of Britain’s biggest fortunes through building up household repair business HomeServe. Now, he’s eyeing a new kind of expansion: a ramp-up in dealmaking through his personal investment firm.

Growth Partner, Harpin’s family office, this week finalized a £10.5 million ($13.8 million) deal to buy a minority stake in UK holiday-rental business Host & Stay, according to a statement. It’s fueled by the roughly £490 million windfall that Harpin and his family pocketed when Brookfield Asset Management bought HomeServe last year for £4.1 billion.

Growth Partner has announced investments in five companies since ...