21 Best Voice Assistant Startups to Watch in 2025

The Definitive Seedtable Ranking of Voice Assistant Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 21 start-ups with an aggregate funding of $944.8m. The average funding per company in this subset is $45.0m.

Last update to the database: Feb 18, 2025. See changelog.

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PolyAI logo

PolyAI

PolyAI is a company building an enterprise conversational platform with AI-generated voice assistants to improve customer experience.

4

Funding Rounds

$68.4m

Money raised

Suki logo

Suki

Suki is a Redwood City, California-based technology company developing AI-powered administrative tools for the healthcare industry.

4

Funding Rounds

$160.0m

Money raised

Cogito logo

Cogito

Cogito is an enterprise cloud computing and software development company making software to provide AI-driven coaching to phone professionals.

9

Funding Rounds

$117.5m

Money raised

Syllable (company) logo

Syllable (company)

A digital communication company that has software to allow healthcare providers interact with their patients. It is located in Sunnyvale, California and was founded in 2016.

2

Funding Rounds

$68.0m

Money raised

Ava (Software Company) logo

Ava (Software Company)

Ava is a San Francisco-based company founded in 2014 by Thibault Duchemin.

6

Funding Rounds

$32.5m

Money raised

ecobee (company) logo

ecobee (company)

ecobee is a Toronto-based developer of WiFi enabled thermostats for residential and commercial applications.

6

Funding Rounds

$112.6m

Money raised

Notable Health logo

Notable Health

Notable Health is an artificial intelligence-powered health start up in California that focuses on automating and digitizing physician-patient interactions.

5

Funding Rounds

$132.7m

Money raised

Pillo Health logo

Pillo Health

A company offering a voice first care management platform that is headquartered in Boston, Massachusetts and was founded in 2014 by Dr. Aiden Feng, Emanuele Musini, and James Wyman.

4

Funding Rounds

$18.9m

Money raised

Sensely logo

Sensely

Sensely is a San Francisco-based company offering an avatar and chatbot-based platform to assist insurance for insurance providers and plan members.

2

Funding Rounds

$23.0m

Money raised

AMAI logo

AMAI

AMAI develops ultra-realistic text-to-speech engine

1

Funding Rounds

$600.0k

Money raised

Corti logo

Corti

Corti is an artificial Neural Networks company founded in 2016 by Anders Friis.

3

Funding Rounds

$114.0m

Money raised

Voiceitt logo

Voiceitt

Voiceitt is a company founded in 2012 by Danny Weissberg, Sara Smolley and Stas Tiomkin.

3

Funding Rounds

$12.0m

Money raised

Winterlight Labs logo

Winterlight Labs

A company making voice recognition products capable of detecting cognitive decline and cognitive impairment based on samples of speech.

1

Funding Rounds

$4.2m

Money raised

Sopris Health logo

Sopris Health

Sopris Health is a Denver-based company founded in 2017 by Patrick Leonard.

6

Funding Rounds

$3.5m

Money raised

CardioCube  logo

CardioCube

CardioCube is a company founded in 2018 by Oskar Kiwic, Tom Jadczyk and Przemysław Magaczewski.

3

Funding Rounds

$1.4m

Money raised

Sonde Health logo

Sonde Health

Sonde Health is a Boston-based digital health company developing voice-based technologies for monitoring and diagnosing mental and physical health.

2

Funding Rounds

$32.0m

Money raised

IZotope logo

IZotope

IZotope is an AI-assisted music production company.

2

Funding Rounds

$19.5m

Money raised

saykara logo

saykara

saykara is an artificial Intelligence company founded by Jaskaran Gill.

2

Funding Rounds

$7.5m

Money raised

Audio Analytic logo

Audio Analytic

Platform enabling consumer technology to recognize and respond to everyday sounds.

1

Funding Rounds

$5.5m

Money raised

Altered AI logo

Altered AI

Our unique technology allows you to change your voice to any of our carefully curated portfolio or custom voices and create compelling professional voice performances.

2

Funding Rounds

$2.1m

Money raised

Orbita, Inc. logo

Orbita, Inc.

Orbita, Inc. is a Boston-based company founded in 2015.

1

Funding Rounds

$9.0m

Money raised