As of August 2026, Latka tracks 6 VoIP providers SaaS companies with $100M+ in annual revenue. They have combined revenues of $2.3B and employ 4.3K people. They have raised $1.8B and serve 100K customers combined.
Every company below sells VoIP providers software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.
VoIP (Voice over Internet Protocol) providers offer technology that allows users to make voice calls using the internet instead of traditional telephone lines. This category primarily serves businesses looking to enhance communication efficiency through features such as call forwarding, voicemail to email, conference calling, and sophisticated call routing. VoIP systems are especially beneficial for organizations with remote teams or those needing scalable communication solutions, enabling seamless integration with existing workflows and collaboration tools. The primary users of VoIP services include sales teams, customer support departments, and IT professionals, among other operational units. By utilizing VoIP, companies can reduce costs associated with traditional phone services while enjoying flexibility and improved productivity. The technology supports various devices, providing enhanced mobility for staff who need to communicate effectively regardless of their location, making it an essential component of modern business communication strategies.
Sorting: Highest -> Lowest
Showing 6 of 6 companies ranked by annual revenue.
Amsterdam, North Holland, Netherlands
a cloud communications platform to communicate with customers through various channels such as SMS, voice, chat, and email.
San Ramon, California, United States
a cloud-based communication platform that includes voice, video and contact center solutions
Scottsdale, Arizona, United States
a cloud-based communication and collaboration software company
Waterloo, Ontario, Canada
Developer of a cloud-based phone carrier services designed to connect the world by creating the exceptional and affordable phone service. The company's phone carrier services offer low-cost, international calling to over 230 countries and include unlimited texting, calling, and data services, enabling users to stay connected while travelling the world.
Tallinn, Estonia
The First Sales-Oriented Unified Communications Solution Your communications system can either boost your revenue or create bottlenecks that slow your business down. Turn it into the core of your operations and grow your business, all while saving time and maintaining total security. All in complete comfort, right from your browser. HOW CAN SMALL AND MEDIUM BUSINESSES INCREASE THEIR PRODUCTIVITY? It doesn’t take hours and hours of overtime. By choosing the right UC&C system, companies can improve communications and significantly increase productivity. Since 2005, Wildix has been helping companies grow their businesses through UC&C, by creating the first web-based VoIP PBX UC&C system. The first 100% secure, easy-to-use, professional web-based UC&C system. Wildix is for companies that want to increase their productivity with a secure-by-design tool. 👉 more business: +52% increase in web sales 👉 better efficiency: 25% time saved on everyday operations 👉 100% security Wildix brings value to companies around the world, with offices in Europe and the United States. The Center for Research and Development in Odessa, Ukraine has been in operation since 2007, deploying and supporting products. Only Wildix helps companies grow with 100% secure products that put the latest technology at their service. #Wildix #unifiedcommunications
Latka tracks 6 VoIP providers SaaS companies with $100M+ in annual revenue. Together they generate $2.3B in annual revenue and employ 4.3K people.
Bird (Formerly MessageBird) is the largest, with $900M in annual revenue, founded in 2011.
The average VoIP providers SaaS company in this list makes $391.7M a year, across 6 companies with reported revenue. They serve 100K customers combined.
Ranked by annual revenue, the leaders are Bird (Formerly MessageBird), unifonic, Dialpad, Nextiva and TextNow.
The 6 VoIP providers SaaS companies with $100M+ in annual revenue tracked here have raised $1.8B in disclosed funding between them.
- Must enable voice communication over the internet instead of traditional telephone networks. - Should include features for call management, such as forwarding and routing. - Must support integration with other business tools and applications. - Should cater to businesses of varying sizes and industries. - Not just a messaging service; must enable real-time voice communication.
Sign up to access all features
Sign up with GoogleSign up with LinkedInAlready have an account? Log in
GetLatka is trusted by 200k+ founders, researchers, and marketers.
No contracts, cancel at any time
