RingCentral

RingCentral provides a cloud based business phone systems and communications designed for today's mobile and distributed business world. Headquartered in San Mateo California, the company has 320,000+ business customers delivered on a state-of-the-art cloud infrastructure, and is privately held with backing from venture capital firms and Cisco.

Recently, RingCentral was positioned furthest for completeness of vision in Gartner's Magic Quadrant for Unified Communications as a Service, Worldwide. This latest distinction expands on RingCentral’s leadership recognition by Synergy Research as the #1 cloud communications provider worldwide in both revenue and subscriber seats, as well as IHS Markit, Frost & Sullivan, and Aragon Research.