Top VoIP Startups in 2024

Aircall is the phone system for modern business. An entirely cloud-based voice platform that integrates seamlessly with popular productivity and helpdesk tools that workplaces are already using, Aircall was built to make phone support as easy to manage as any other business workflow—accessible, transparent, and collaborative. Aircall believes that voice is the most powerful way to communicate with customers, prospects, candidates, and colleagues, and it is designed to take the headache out of what should be a delightful moment of human connection. Aircall was founded in 2014 and has raised over $100 million. Based in New York and Paris, the company has over 300 employees.

Plivo is a communications platform that enables businesses to connect, engage and interact with their customers. Plivo simplifies the notorious complexity of telecom by offering simple and enterprise grade building blocks. Plivo's infrastructure handles billions of voice calls and messages every year from businesses around the world

Global migration is a 21st-century reality: Whether people are fleeing from something or racing towards better opportunity, finding love or experience new cultures, people are now living side by side in a new way. At Rebtel, we believe in tearing down borders – from the geographical borders that complicate international communication and borderless banking to the cultural borders that keep people divided. We’re on a mission to build products serving the 2 billion modern internationals of the world. We offer work, communication and banking services for anyone crossed a border: Our team mirrors our global audience: we are a diverse team of people from over 40 different countries that get together everyday – and we’d love for you to join us. Do you have what it takes?

A remote team of designers and software engineers taking a pragmatic approach to successfully deliver real-world software for their clients.

proactivaudio develops customised software solutions for selected problems in audio enhancement to accomplish the highest performance. Our innovative patented technology in acoustic echo cancellation delivers unprecedented levels of quality and robustness, demanded in industry and commercial sectors for the 21st century such as audioconferencing, automotive, voice-interactive IoT devices, robotics, and many others. In order to meet our B2B objectives, understanding precisely the needs of every customer is considered an important step for a fruitful collaboration. We have a software development kit (SDK) for customers to integrate our real-time proactivaudio technology in their commercial products to improve their clients’ experience as well as customised solutions.

Nettia Oy is based in Helsinki, Finland.