GTCR-backed RevSpring, a provider of consumer communications, billing, and payments solutions, completed the acquisition of Apex Revenue Technologies, which develops document and payment solutions for health care and financial institutions in the United States, from WestView. Financial terms were not disclosed. “The combination of RevSpring and Apex positions the company for significant growth and provides the healthcare and accounts receivable management marketplaces with powerful solutions for engaging patients and consumers with intelligent, analytics-driven technology. Together, we will build on both companies’ history of success, further enhance and differentiate our healthcare market opportunity, and work as one team to drive optimum outcomes for our customers and the consumers they serve. We are thrilled to welcome the Apex team to RevSpring,” Rahul Gupta, RevSpring CEO.