Best-in-Class Unified Communications Providers

We’ve compiled a list of vendors to help you find the right solution based on your specific business needs.

Provider* Services About Reviews More Details
RingCentral offerings include: messaging, telephony, meeting services, fax, MMS/SMS and more. RingCentral operates primarily in Europe and North America. They recently established strategic partnerships with AT&T, ALE, and Avaya to expand their telephony capabilities.
RingCentral, Inc. is an American publicly traded provider of cloud-based communications and collaboration solutions for businesses. RingCentral CEO Vlad Shmunis and CTO Vlad Vendrow founded the company in 1999.
CEO: Vlad Shmunis (1999–)
Headquarters: Belmont, CA
Revenue: 902.8 million USD (2019)
Subsidiaries: Ringcentral UK Ltd, RCVA, Inc, MORE
Founders: Vlad Shmunis, Vlad Vendrow
Zoom provides a combination of Zoom Phone, Zoom Meetings and Zoom Chat. These solutions focus on meetings, telephony, and messaging. They recently expanded their Zoom Room appliance capabilities and established partnerships with Poly and Neat. Zoom Phone Basic at no extra charge for Meetings users.
Zoom Video Communications, Inc. is an American communications technology company headquartered in San Jose, California. It provides videotelephony and online chat services through a cloud-based peer-to-peer software platform and is used for teleconferencing, telecommuting, distance education, and social relations.
Founder: Eric Yuan
Founded: April 21, 2011
CEO: Eric Yuan (2011–)
Headquarters: San Jose, CA
Revenue: 2.65 billion USD (2020)
Employees: 2,532 (2020)
Dialpad provides meetings, telephony, and messaging to its customers. The company focuses heavily on North America and Asia/Pacific. The company introduced UberConference along with voice intelligence functionalities including AI-generated summaries post-call and transcriptions. Dialpad also provides a coaching center via Dialpad sell.
Headquarters: San Francisco, CA
Founder: Craig Walker
Founded: 2002, United States
Subsidiary: Highfive
Star2Star offers an Enterprise Communications and Collaboration Platform service which provides mobility, meetings, messaging, telephony, fax, and MMS/SMS services. Star2Star operates mainly in North America. Star2Star recently launched video meetings – a new self-developed solution for meetings. Additionally, new licensing arrived to bundle capabilities for various types of users, including remote workers via its "Hub" capability.
Star2Star was founded in 2006 with a passion for revolutionizing the world of business communications. For small and large businesses, we unify and simplify complex communications activities. For employees, we deliver a culture of innovation, diversity, and individuality.
Vonage Business Communications offers meetings, team messaging, and telephony. The company focuses mostly on businesses in North America. They recently released Vonage Meetings, built with TokBox, and the integration of Vonage Meetings into desktop, mobile, and web apps. There’s also Vonage Smart Numbers for modifying call flows using programmable API technology.
Vonage is a publicly held business cloud communications provider. Headquartered in Holmdel Township, New Jersey, the company was founded in 2001 as a provider of residential telecommunications services based on voice over Internet Protocol.
CEO: Rory Read (Jul 1, 2020–)
Headquarters: Holmdel, NJ
Revenue: 1.25 billion USD (2020)
Subsidiaries: Vonage Limited, NewVoiceMedia, Vonage A, MORE
LogMeIn provides telephony, messaging, and meeting solutions functionality through GotoConnect. LogMeIn services clients primarily based in the U.S.. They upgraded their user experiences for the mobile and desktop clients of GoToConnect, as well as integrations with Google, Slack, Microsoft Teams, and other leading tools. LogMeIn also has an extensive track record in the cloud-based meeting environment.
LogMeIn, Inc. is a provider of software as a service and cloud-based remote work tools for collaboration, IT management and customer engagement, founded in 2003 and based in Boston, Massachusetts. The company's products give users and administrators access to remote computers.
CEO: William R. Wagner (Dec 2015–)
Headquarters: Boston, MA
Revenue: 1.262 billion USD (2019)
Subsidiaries: Marvasol, Inc., GoToMeeting, Citrix Online, MORE
Founders: Marton Anka, Michael K. Simon
8×8 is a market leader offering a combination of meetings, telephony, messaging, and contact center services for the enterprise. Its services are designed to support clients globally, with operations all over the world. 8×8 has improved its Meeting capabilities as a result of its Jitsi acquisition and introduced new CPaaS capabilities.
8x8 Inc. is a US-based provider of Voice over IP products. Its products include cloud-based voice, contact center, video, mobile and unified communications for businesses. 
CEO: David Sipes (Dec 10, 2020–)
Headquarters: Campbell, CA
Revenue: 296.5 million USD (2018)
Founded: 1987
Subsidiaries: 8x8 International Pte. Ltd., Contactual, Inc., MORE
Fuze provides various messaging, calling, contact center and meeting services to its global customer base. They offer enhanced support for enterprises seeking additional hand holding. They recently added a new supervisor and agent desktop for Fuze users.
Fuze is a cloud communications and collaboration software platform designed for the enterprise. The company is headquartered in Boston, Massachusetts.
Headquarters location: Boston, MA
Founders: Steven Kokinos; Derek Yoo
Number of employees: 741 (Sept 2019)
Founded: 2006
Number of locations: 21
Subsidiaries: FuzeBox, Inc., Contactive Inc., Whaleback Systems Corporation
Windstream offers messaging, telephony, and mobility features via its OfficeSuite product. Windstream US based provider. They recently improved their SD-WAN, and security services. OfficeSuite can support up to 1000 meeting participants, and it now offers a range of new reporting options.
Windstream Holdings, Inc., also doing business as Windstream Communications or Windstream, is a provider of voice and data network communications, and managed services, to businesses in the United States.
Headquarters: Little Rock, AR
CEO: Anthony W. Thomas (Dec 12, 2014–)
Google Voice, Chat, and Meet, services provide its clients with the ability to make and receive phone calls, as well as send text messages via one integrated suite of productivity tools via Google. You can also use it to forward calls from one number to another, so you can easily manage all of your communication from phone. They recently improved Google meet to accommodate more participants (49-participant grids) and added improvements for meeting safety. There’s also presentation support, bulk provisioning for Google Voice, and the arrival of Google’s voice features within the Gmail sidebar.
Google Voice is a telephone service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call termination for Google Account customers.
CEO: Sundar Pichai (Oct 2, 2015–) Trending
Founded: September 4, 1998, Menlo Park, CA
Parent organization: Alphabet Inc.
Number of employees: 135,301 (2020)
Subsidiaries: YouTube, YouTube TV,, Fitbit, MORE
Founders: Larry Page, Sergey Brin