RCP has previously invested in the sector in firm's including Brighton-based The Laine Pub Company and The Draft House.
Johnson said he believes Curious Drinks can be “developed further”, adding: “We’re very excited about its future, despite the challenges of the past year. Brewing will always be a cornerstone of British culture, and the craft beer revolution has only strengthened that.
"We are particularly pleased to be taking on all Curious employees, who bring with them a wealth of insight and knowledge.”