RingCentral

RingCentral is a cloud-based communications and collaboration platform founded in 1999 by Vlad Shmunis and Vlad Vendrow, headquartered in Belmont, California. The company provides unified communications as a service (UCaaS) and contact center as a service (CCaaS) to businesses of varying sizes across multiple industries.

RingCentral's core product suite includes RingEX (formerly RingCentral MVP), a messaging, video, and phone platform, as well as RingCX, its contact center solution. The company has expanded into AI-driven voice products including AI Receptionist (AIR), AI Virtual Assistant (AVA), and AI Conversation Expert (ACE). RingCentral has partnerships with major carriers and technology companies including AT&T, Avaya, and Mitel, and serves enterprise customers across healthcare, financial services, and retail sectors.

RingCentral went public on the New York Stock Exchange in 2013 under the ticker RNG. The company has made several acquisitions, including Hopin's session and event products in 2023 and Dimelo in 2018. As of recent filings, RingCentral employs approximately 6,000 to 7,000 people globally and reported annual revenues exceeding $2 billion.