All Lists
ElevenLabs
Deepgram
PolyAI
Retell AI
Vapi
Bland AI
Synthflow AI
RaftLabs
InData Labs (InData Labs)
Intellectyx
C
R
Artera
Upfirst.ai
Liberate.ai
+18 more
33 members

Top Voice AI Agent Startups in 2026

May 6, 2026
33 entries

This curated list features innovative startups developing AI-powered voice agents. These companies are at the forefront of conversational AI, enabling natural language interactions for a variety of applications. The collection is designed for founders seeking inspiration, investors identifying emerging opportunities, and AI researchers exploring advancements in voice technology. It highlights companies building solutions that understand, process, and generate human-like speech.

ElevenLabs

#1

ElevenLabs

ElevenLabs AI Music Generator allows users to quickly create high-quality, customized music tracks in any genre or style, with or without vocals, in multiple languages using simple text prompts.

AI
$1.6BLondon, United Kingdom
Deepgram

#2

Deepgram

Deepgram is an enterprise voice AI platform providing APIs for speech-to-text, text-to-speech, and voice agents, used by over 200,000 developers to build voice-first products.

Neocloud
$177M
PolyAI

#3

PolyAI

PolyAI is a leading provider of enterprise AI agents for customer service, specializing in creating the world's most lifelike conversational voice assistants that resolve millions of customer inquiries.

Agentic AI
Retell AI

#4

Retell AI

Retell AI is a leading voice AI agent platform enabling businesses to build, test, deploy, and monitor production-ready AI voice agents at scale for diverse call operations.

Agentic AI
$5M
Vapi

#5

Vapi

Vapi provides a highly configurable API platform for developers and enterprises to build, deploy, and scale human-like voice AI agents for various use cases, from inbound calls to outbound campaigns.

Voice AI
$24MSan Francisco, United States
Bland AI

#6

Bland AI

Bland AI provides an enterprise-grade platform for making ultra-realistic, human-sounding AI phone calls and conversational agents that integrate seamlessly into business workflows, operating 24/7.

Agentic AI
$40M
Synthflow AI

#7

Synthflow AI

Synthflow AI is a no-code platform for deploying human-like AI voice agents to automate phone calls, providing 24/7 support, lead qualification, and appointment scheduling for businesses at scale.

$20M
RaftLabs

#8

RaftLabs

An AI product and engineering company that builds adaptive and scalable voice AI agents for enterprise operations and automation.

AI App Development
$2MNew Delhi, India
InData Labs (InData Labs)

#9

InData Labs (InData Labs)

A data-science-focused Agentic AI company that develops voice AI solutions powered by predictive analytics and domain-trained models.

Agentic AI
Minsk, Belarus
Intellectyx

#10

Intellectyx

A leading AI Voice agent development company delivering AI-first digital transformation solutions built for enterprise environments.

AI Voice Agent
Denver, USA
C

#11

Contus Tech

A leading AI agent development company specializing in communication-driven AI and voice automation platforms for enterprise-scale customer engagement.

Agentic AI
Chennai, India
R

#12

Regal Voice

Build and deploy self-improving AI voice agents.

Artificial Intelligence
$63MSan Francisco, California, USA
Artera

#13

Artera

Delivers a platform-level patient communications solution that transforms patient experience with AI-powered virtual agents (voice and text).

HealthTech
$198MSan Francisco, USA
Upfirst.ai

#14

Upfirst.ai

Offers an AI voice agent designed to act as an always-on receptionist for small and service-based businesses.

Agentic AI
$2MSan Francisco, USA
Liberate.ai

#15

Liberate.ai

Delivers voice-based AI agents purpose-built for insurance agencies and carriers, focusing on resolving sales, service, and claims calls in real time.

InsurTech
$65MSan Francisco, USA
Sierra

#16

Sierra

Sierra helps businesses build better, more human customer experiences with AI agents that can understand, reason, and take action across various channels.

Agentic AI
$1.6B
Decagon

#17

Decagon

AI-powered customer support platform that uses autonomous AI agents to resolve complex customer inquiries.

AI Agent
$491MSan Francisco, United States
Ava (Software Company)

#18

Ava (Software Company)

A San Francisco-based company developing AI for speech recognition and assistive technology.

Assistive Technology
$17MSan Francisco, USA
S

#19

Suki

Syllable (company)

#20

Syllable (company)

A digital communication company with software that allows healthcare providers to interact with their patients.

HealthTech
$10MSunnyvale, USA
Corti

#21

Corti

An artificial neural networks company providing AI-driven coaching to phone professionals.

AI Tools & Apps
$30MCopenhagen, Denmark
C

#22

Cogito

P

#23

Pillo Health

A voice-first care management platform for in-home health and medication adherence.

HealthTech
$14MBoston, USA
Ada

#24

Ada

AI Chatbots
$191M
SquadStack AI

#25

SquadStack AI

Offers outcome-driven AI voice agents built for high connectivity, real sales conversions, and enterprise-grade execution at scale.

AI Voice Agent
$17MGurugram, India
Speechmatics

#26

Speechmatics

A real-time speech recognition platform providing foundational speech-to-text capabilities.

Edinburgh, United Kingdom
SoundHound AI

#27

SoundHound AI

$462M
Speechify

#28

Speechify

Speechify is an AI-powered text-to-speech reader that converts text into natural-sounding audio, helping users read faster and improve comprehension.

Voice & Text
Picovoice

#29

Picovoice

Specializes in on-device voice AI, enabling privacy-focused applications that process voice commands locally without cloud connectivity.

On-Device AI
$1MLos Angeles, USA
S

#30

Sonantic

Creates emotionally expressive AI voices for entertainment, gaming, and media applications, bringing unprecedented realism to synthetic speech.

AI Voice Synthesis
$4MLondon, United Kingdom
AI Agent Now

#31

AI Agent Now

Provides AI agent solutions for businesses to automate tasks and improve efficiency.

Agentic AI
San Francisco, USA
Unprime

#32

Unprime

Fintech
Fin AI

#33

Fin AI

AI customer support assistant

Artificial Intelligence