Top list · Worldwide
41 voIP startups worldwide have raised money in rounds we track. These are the 41 that have raised the most, $957M between them, with the United States the most common home.
Wyyerd Group is an internet service provider that offers wireless, fiber internet, dark fiber, VoIP and unified communication services.
Founded 2017Boulder, United States$435Mlast round Aug 2025Telcom is an internet service provider that offers broadband and VoIP solutions.
Founded 2014Manchester, United Kingdom$87Mlast round Jul 2021Cedar Point Communications is a telecommunications technology company founded in 2000 and based in Derry, New Hampshire.
Founded 2000Derry, Germany$81Mlast round Dec 2009Sylantro Systems provides software for service providers that deliver hosted VoIP applications.
Founded 1998Moorgate, United States$71Mlast round Apr 2006Telesphere Networks is a provider of business VoIP solutions for wireline and mobile devices.
Founded 2000Holmdel, United States$51Mlast round Oct 2010Vocalocity provides business phone services and cloud VoIP services.
Founded 2006Atlanta, United States$47Mlast round Aug 2011Jive Communications provides enterprise-grade Hosted VoIP and Unified Communications services to businesses and organizations worldwide.
Founded 2006United States$20Mlast round Mar 2014IP COMMUNICATIONS+ est spécialisée dans les solutions informatiques de réseaux, et de télécommunications des entreprises.
Founded 2017Abidjan, United States$20Mlast round Apr 2002Convergence provides business email, cloud VoIP, and cloud backup services.
Founded 2015United States$15Mlast round Nov 2007Digium develops an open source software that provides VoIP communication solutions for enterprises.
Founded 1999Huntsville, United States$14Mlast round Aug 2006Mobivox is a service enabling users to have VOIP-style pricing and services via their existing landlines and mobile phones.
Founded 2007Canada$11Mlast round Oct 2007Dixon Technologies is an IT company that specializes in network infrastructure, security, audio and video systems, and VoIP phone services.
Founded 2014Melbourne, India$9.3Mlast round Apr 2008Allworx develops and sells VoIP phone and phone systems designed for small businesses.
Founded 1998Rochester, United States$8.5Mlast round Jun 2006Go2call.com is an online platform that delivers Voice over Internet Protocol (VoIP) solutions.
Founded 1998United States$8.5Mlast round Feb 2004Versatel Networks, a Quebec, Canada-based provider of VoIP gateway and service delivery solutions for telecom service providers.
Founded 1997-$8.5Mlast round Sept 2005Devyce creates a VoIP operating system that offers communication system with flexibility, scalability, and dependability.
Founded 2020London, United Kingdom$8.1Mlast round Dec 2025Citel Technologies is a telecommunications company that specializes in Voice over IP (VoIP) migration solutions and converged communications platforms.
Founded 1996Amherst, United Kingdom$7.0Mlast round Sept 2004Setera Communications is a IP operator developing business-to-business services such as VoIP solutions and traditional technologies.
Founded 2005ESPOO, Finland$6.4Mlast round Nov 2008Ingate Systems is a Swedish company specializing in SIP-based VoIP communications for enterprises.
Founded 2001Sundbyberg, Sweden$5.8Mlast round May 2004Nymgo S.A is a telecommunications company based in Strassen, Luxembourg, specializing in Voice over Internet Protocol (VoIP) services.
Founded 2008Strassen, Luxembourg$5.0Mlast round Oct 2010Broadsoft, formerly Intellinote, is a VoIP applications development company serving more than 450 telecommunications service providers.
Founded 2013United States$4.8Mlast round Jan 2014VoIP Group is a global developer of IP telephony solutions and Unified Communications services, founded in 1998 in the United States and currently headquartered
Founded 1998Sao Paulo, United States$4.4Mlast round Dec 2001VIXXI Solutions provides complete E911 solutions for VoIP providers and established carriers.
Founded 2005Denver, United States$4.0Mlast round Oct 2007GreenLink Networks is a telecommunications company located in Addison, Texas, that specializes in cloud-based VoIP communication solutions.
Founded 2015Irving, United States$3.5Mlast round Aug 2009VozTelecom develops software to enable voice over internet protocol (VoIP) services.
Founded 2003Cerdanyola del vallés, Spain$2.8Mlast round Aug 2007Geos Communications, Inc.
Founded 2002Southlake, United States$2.5Mlast round Mar 2010Founded in Santa Clara, CA, Anta Systems is a leading provider of affordable, turn-key Voice over Internet Protocol (VoIP) solutions.
Founded 2003United States$2.4Mlast round Mar 2004AltaTech provides IT consulting, web development, SaaS, cyber security, VoIP, SEO, network cabling, managed IT, and cloud services.
Founded 2019Raleigh, France$2.4Mlast round Oct 200542Networks develops and sells products and system solutions for broadband telephony, triple play for FTTPs, and embedded VoIP solutions.
Founded 1999Sweden$2.3Mlast round Feb 2006The market demand for Voice over IP (VoIP) hosted solutions has grown in recent years as small businesses seek ways to lower their communications costs and simp
Founded 2012Edmonton, United States$2.0Mlast round Nov 2018Cicero Networks has been at the forefront of app development since smartphones were introduced in 2002.
Founded 2001Dublin, Ireland$1.9Mlast round Oct 2008InterMetro Communications provides enhanced voice and data communications services via a VoIP network infrastructure.
Founded 2003Simi Valley, United States$1.6Mlast round Dec 2014Vendorflow is a unified communications platform based in Los Angeles, California, founded in 2020.
Founded 2020Los Angeles, United States$1.4Mlast round Oct 2021VoIP Logic is a global provider of VoIP managed services, and provisioning and management systems.
Founded 2003United States$1.3Mlast round Mar 2006Xvision offers telephony projects, exchanges, call center, VoIP, cabling, security systems, video monitoring, and fire detection solutions.
Founded 2014Romania$500Klast round Mar 2024Modulis is a North American leader of enterprise, institutional and Asterisk based VoIP solutions.
Founded 2006Montréal, Canada$388Klast round Sept 2013Callision is the world's first carrier-independent cloud business phone system, and the first freemium enterprise-grade Contact Center as a Service (CCaaS).
Founded 2011New York, United States$250Klast round Apr 2012VoIP Supply's mission is to deliver complete VoIP solutions that hold superior value to a worldwide marketplace.
Founded 2002Amherst, United States$200Klast round Jun 2009Built on the latest VOIP technologies, Voz.io enables companies to deploy a robust phone-support solution with zero infrastructure aside from access to an inter
Founded 2013Barcelona, Spain$150Klast round Feb 2014Crestone Telecom delivers high-speed broadband internet and VoIP phone services by using fixed wireless technology cellular technology.
Founded 2011United States$135Klast round Dec 2012Chaffee County Telecom provides fixed, wireless, high-speed broadband internet and VoIP phone services.
Founded 2012United States$105Klast round Dec 2012Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
Open any company for its rounds and investors, or search the investors who back voIP startups worldwide in the app, with filters, lists and exports.
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