Provider of back-end revenue billing solutions to the healthcare market. Through the Company’s proprietary SaaS platforms, myEasyView® and mySecureBill®, Apex provides a complete suite of billing cycle solutions, including electronic and paper statement processing, electronic document presentation solutions, and a feature-rich online payment offering.

In October 2018, WestView exited its investment in Apex as part of the Company's merger with RevSpring, a portfolio company of GTCR.