Microsoft Corporation acquired Yammer for $1.2 billion, a transaction announced in June 2012, structured as all cash.
Yammer operates in Productivity (Office Division), is based in San Francisco, California, USA. Microsoft agreed to acquire Yammer, an enterprise social-networking provider, for $1.2 billion in cash. Launched in 2008, Yammer had more than 5 million corporate users spanning 85 percent of the Fortune 500. Yammer joined the Microsoft Office Division while continuing to develop its standalone service.
Adds a best-in-class enterprise social network to Microsoft's cloud portfolio alongside SharePoint, Office 365, Dynamics and Skype.
The acquisition of Yammer underscores our commitment to deliver technology that businesses need and people love.Steve Ballmer, CEO, Microsoft
Advisory firms were not disclosed for this transaction.