Business texting provider Zipwhip has collected $51.5m in a Goldman Sachs-led series D round, which included existing investors Microsoft, OpenView and Voyager Capital.

US-based business texting service Zipwhip landed $51.5m in a series D round on Friday featuring M12, the corporate venturing division of software provider Microsoft.

Investment bank Goldman Sachs led the round through its Private Capital Investing group, while OpenView and Voyager Capital also participated.

Founded in 2007, Zipwhip has developed a platform that enables businesses to send text messages to their customers through existing landlines, internet protocols or toll free phone numbers.

The company has attracted more than 100 enterprise clients…