Top 50 Voice AI Agents SaaS Companies With $1M–$5M Revenue (August 2026)

United States

Outbound AI is Conversation AI built for healthcare. Founded in 2021, the Seattle-based startup is breaking new ground with cloud technologies that serve as workforce multipliers to drive productivity while improving the daily job experience for human talent. The company’s inaugural offering includes a portfolio of AI-powered virtual agents specially trained to streamline administrative work across the revenue cycle, including claims status, eligibility and benefits verification, prior authorization and more. Outbound AI is led by a passionate team of health and voice tech veterans and backed by several preeminent venture capital firms.

Kyiv, Kyiv, Ukraine

Respeecher offers a variety of AI voice services for creators, studios, and businesses: • AI Voice Lab Get top-tier white-glove AI voice services from a team of sound professionals. We provide stellar service for filmmakers, music producers, animators, and specialists from other creative industries. With our AI voice technology, you can revive legendary voices, use kids’ voices that stay young, ensure faster dubbing & localisation, and find background voices. We follow a strict ethical code and focus on data security. • API Integrations Build any product with our high-quality voices or integrate our speech-to-speech (STS) & text-to-speech (TTS) conversions into your software. Need voices for accessibility, customer care, education, or notifications? Respeecher will enhance any software with diverse Hollywood-quality AI-powered human voices. • Call Centers Adapt the accent, voice, and gender of your customer support specialists with our groundbreaking real-time AI speech conversion to boost your NPS & CSAT. Preserve the tone and emotion of your support specialists as you adapt their voice to better suit the customer’s needs - all during a live conversation. • Voice cloning As a voice actor, you can train your own AI voice model to let it work for you as you rest or focus on other projects. You can also use voice cloning technology to preserve your voice or share it on Voice Marketplace. Respeecher takes ethics and security seriously, so you can be sure that your voice is safe and is only used with your consent. • Voice Marketplace Convert text or a recording to one of 100+ authentic AI-powered voices. Our text-to-speech converter lets you choose between Neutral & Lively narration styles. As for the speech-to-speech conversion, our voice changer technology makes you sound like a different person but keeps your tone & emotions. Need an accent generator? Voice Marketplace lets you convert your speech into British, American, and 10+ other accents.

New York City, New York, United States

Supernormal is your AI-powered meeting platform. Automate meeting notes, agendas, and insights, while Voice Agents help you scale tasks effortlessly—empowering teams to focus on what matters most: building genuine connections and driving productivity.

United States

There’s huge potential in the new chapter of AI-powered customer service. But it will only be captured by companies that can shake up the industry models that hold back innovation. We’re a group of founders who have worked in customer experience for years. Our tech and our people have served billions of customers and provided exceptional service across the world. Crescendo is our vision for finally changing what’s held us back before. We’re combining the most advanced AI technology with the best human agents to provide a blended experience. We’re eliminating the separation between the contact center and the technology provider. With everything orchestrated together, we can dramatically accelerate improvements to agent and customer experience. That means customer service that’s more in sync, easier to manage, and more tightly integrated than ever before. And our customers will only pay for positive outcomes. It’s a brilliant harmony of AI and CX.

Noida, Uttar Pradesh, India

Rezo.ai is owned by Rezo Technologies Inc, an Indian company that provides an AI-powered conversational platform for customer engagement and support. Rezo.ai's platform leverages natural language processing (NLP) and machine learning algorithms to enable businesses to automate customer support and engagement across multiple channels, including chat, voice, and email. The platform can handle a range of customer queries and issues, such as order tracking, refunds, and product recommendations, and can integrate with various customer relationship management (CRM) systems and third-party applications. Rezo.ai serves customers in various sectors, including e-commerce, finance, and healthcare, and has won several awards for its innovative technology. Rezo Technologies Inc is headquartered in Bangalore, India.

Ann Arbor, Michigan, United States

Revolutionary conversational AI, with out-of-the-box solutions that power exceptional customer experiences for banks and credit unions.

Dublin, Dublin, Ireland

area22 are an AI start-up company making digital voice engagement more effortless and "human-like"​. Our mission is to provide a "Voice first"​ conversational engagement channel for brands. As the explosion of Personal Voice assistants, and voice recognition technology, start to penetrate the consumer market, customers will want to do more than just interact with their homes or the internet with simple commands. They will want to interact directly and more deeply with all aspects of their favourite brands through these devices. Today, in order to support a deeper frictionless brand experience using digital voice, a much richer voice engagement capability is required. The area22 platform can deliver through a more natural speech experience by adding: a common access point for all personal assistants a personality to engender trust contextual awareness for a more human like behaviour back-end integration & training to brand data, inventory and services The platform will allow customers to build trust in and have worthwhile conversations with their brands, using their standard virtual personal assistants. area22 will make brands more "Voice aware"​. Contact us and lets start a conversation!

Palo Alto, California, United States

PlayAI is an advanced platform by PlayHT that enables users to create AI voice agents with highly realistic, human-like voices. The platform allows for the seamless creation and deployment of voice agents capable of handling conversations and tasks on websites, phone systems, and more. PlayAI provides a robust API and supports voice cloning, custom voice creation, and training agents on specific company knowledge. It is designed to enhance user engagement and automate interactions across multiple use cases, including customer service, IVR systems, and content creation.

San Francisco, California, United States

The enterprise platform for AI phone calls

United States

LiveKit Agents is an end-to-end framework designed for creating real-time, multimodal AI agents that can interact with users through voice, video, and data channels. It provides a comprehensive set of tools and abstractions for tasks such as speech-to-text, text-to-speech, and LLM integration, allowing developers to focus on core application logic.