A St. Louis-based developer of employee engagement and rewards technology has been sold to a Minneapolis company.

One10 LLC, which offers software solutions in the incentives, travel and events industries, acquired Whistle, a St.

One10 LLC ("One10"), a leader in performance improvement and incentive solutions, has acquired Whistle, a St. Louis-based ...

“It’s actually something that transcends the pandemic,” says Drew Carter, co-founder of St. Louis–based startup Whistle, an app intended to help employers support employees with onboarding, training, ...