Ringer is the world’s first business-only mobile service provider that gives companies a simple and secure way to add a corporate-owned voice line with text and data service to employee-owned mobile phones. By having work and personal voice and data on one device, Ringer simplifies the complexity of delivering business phone services to a highly mobile workforce and enables organizations to reduce operational expenses while maintaining visibility and control. Ringer was founded in 2022 and is headquartered in Denver, Colorado. Ringer was founded by serial entrepreneur, David Aldworth, who founded Teliax in 2004, Toll-Free Exchange in 2015, and Leap Telecom in 2016.