CoTap, a Corporate Mobile Messaging App, Raises $5.5M Series A

Two former Yammer executives have raised $5.5 million to build CoTap, a mobile messaging app for the workplace, according to TechCrunch.

Still operating in stealth mode, Yammer’s ex-chief product officer Jim Patterson and ex-senior director of engineering Zack Parker are working on the enterprise solution to newer mobile messaging apps, such as Line and WhatsApp.

Unlike Yammer, CoTap is, by default, a private messaging app, sending notifications to only the people mentioned in the post. Even with Facebook’s push into private group messaging, Patterson is confident of his company’s position. “It’s