RingCentral is a cloud-based communication and collaboration platform that provides businesses with a range of tools to manage their communications and enhance their productivity. The company offers a variety of services, including voice, video, messaging, and collaboration tools, all of which are accessible from a single platform. RingCentral's platform is designed to be flexible and scalable, making it suitable for businesses of all sizes and industries. The company was founded in 1999 and is headquartered in Belmont, California.