Fishers-based Formstack is once again adding to its portfolio. The Software-as-a-Service company has acquired South Carolina-based electronic signature software provider InsureSign. The deal is Formstack's fifth acquisition in less than two years. 

As a result of the deal, all InsureSign employees will join the Formstack team. Formstack says it will immediately begin incorporating native e-signatures into its platform through an integration with WebMerge, which the company acquired in April

"Formstack helps users capture data and put it to work, and we know users are increasingly looking to end-to-end, do-it-all platforms to power their workflows," Chris Byers, chief executive officer of Formstack, said in a news release. "This acquisition will allow our users to capture data, manage it, create documents and secure signatures electronically without needing to leave the application or cobble together integrations."

The company says existing InsureSign customers will not see a change in service. InsureSign was founded in 2011 and, according to Formstack, has tens of thousands of users across a wide variety of industries.