London-based Streetbees operates an app on which 3.5 million consumers share their thoughts, feelings and impressions at moments when they engage with brands. PepsiCo, Unilever and Proctor & Gamble are among its clients.

The Series B investment round was led by venture capital investor Lakestar, with participation from Latitude, Atomico, GMG Ventures and Octopus.

(Reporting by Douglas Busvine; Editing by Mark Potter)