About Voice AI
Companies included in Voice AI sector
Includes companies developing core Voice AI technologies such as speech recognition (ASR), text-to-speech(TTS), and voice synthesis solutions, voice cloning solutions, Voice AI development solutions, Voice AI APIs, frameworks, among others Also includes industry-agnostic Voice AI-based solutions like customer support AI Voice agents and chatbots, voice analytics tools, meeting intelligence tools, voice-based AI interviewers, among others. Industry-specific Voice AI solutions, such as voice-based medical documentation tools, voice-based AI driver assistants, and education-focused Voice AI, among others, are also includedCompanies excluded in Voice AI sector
Professional services or call center outsourcing companies are not included. Companies developing products where voice AI is only a feature are not included here. Service based audio transcription companies are not covered hereMarket Map of Voice AI
Top Companies in Voice AI
Company | Description | Location | Founded | Current Stage | Private Funding Raised |
|---|---|---|---|---|---|
Provider of cloud and AI-based sound recognition solutions for multiple applications | Santa Clara (United States) | 2005 | Public | $191M | |
AI-based text to speech software | London (United Kingdom) | 2022 | Series D | $791M | |
Developer of an AI meeting agent providing transcription and summarization | Los Altos (United States) | 2016 | Series B | $70M | |
Provider of AI-based speech transcription software | San Francisco (United States) | 2015 | Series C | $229M | |
AI powered accent translation software | Palo Alto (United States) | 2020 | Series B | $121M |
Companies founded year-on-year in the Voice AI sector
21 Voice AI startups were founded in 2023 - this is the most number of startups founded in any year in the last 10 years.
- Total Number of Companies
Year | No. of companies |
|---|---|
2026 | - |
2025 | 11 |
2024 | 19 |
2023 | 21 |
2022 | 8 |
2021 | 12 |
2020 | 14 |
2019 | 4 |
2018 | 10 |
2017 | 12 |
Companies founded across countries in the Voice AI sector
United States has 62 Voice AI startups, the most by any country, followed by India which has 32 startups and United Kingdom which has 11.
- Total Number of Companies
Country | No. of companies |
|---|---|
United States | 62 |
India | 32 |
United Kingdom | 11 |
China | 5 |
Japan | 5 |
Canada | 5 |
Germany | 5 |
South Korea | 3 |
France | 3 |
Israel | 3 |
Stage-wise distribution of the Voice AI sector
Out of the total 153 Voice AI companies, 109 have secured funding. Among them, 59 have reached Series A or higher, and 28 to Series B or beyond.
Company Stage | No. of companies |
|---|---|
Founded | 153 |
Funded | 109 |
Series A+ | 59 |
Series B+ | 28 |
Series C+ | 13 |
- 150+ Total Companies
- $3.29B+ Total Funding
- 105+ Funded Companies
- 4 IPOs
- 5 Acquisitions
Funding Trends in the Voice AI sector
Total funding year-on-year in the Voice AI sector
The Voice AI sector saw a total funding of more than $3.24B in the last 10 years. The most amount of funding was in 2025 at more than $1.07B. There has been a total funding of $559M in 2026 till date.
- Total Funding
Year | Total Funding |
|---|---|
2026 | $559M |
2025 | $1.07B |
2024 | $315M |
2023 | $286M |
2022 | $457M |
2021 | $158M |
2020 | $83.3M |
2019 | $57.6M |
2018 | $148M |
2017 | $108M |
Total funding across countries in the Voice AI sector
In the last 10 years, Voice AI startups in United States have recieved the highest funding among all countries - $1.51B. United Kingdom follows with $1.13B and India with $170M.
- Total Funding
Country | Total Funding |
|---|---|
United States | $1.51B |
United Kingdom | $1.13B |
India | $170M |
France | $90.6M |
Germany | $61.1M |
South Korea | $39.5M |
Japan | $39.3M |
Canada | $8.5M |
Netherlands | $2M |
China | $1.48M |
Total funding amount raised by stage in the Voice AI sector
Over the last 10 years, the Voice AI sector have seen $341M into Seed Stage funding rounds, $1.65B into Early Stage funding rounds and $1.12B go into Late Stage funding rounds.
Funding Stage | Total Funding |
|---|---|
Early Stage | $1.65B |
Late Stage | $1.12B |
Seed Stage | $341M |
Post IPO | $28.8M |
Grant | $13.2M |
Debt | $5M |
Recent Funding Rounds in Voice AI
Company | Round Raised | Amount Raised | Funding Date | Investors |
|---|---|---|---|---|
Series B | 8989 | Mar 30, 2026 | ||
Series A | 4388 | Mar 18, 2026 | ||
Series D | 7091 | Mar 17, 2026 | ||
Series B | 4892 | Mar 16, 2026 | ||
Series A | 5161 | Mar 07, 2026 |
Top Investors in Voice AI
Investor | Location | Top Portfolio Companies |
|---|---|---|
Mountain View (United States) | ||
Santa Clara (United States) | ||
Palo Alto (United States) | ||
Cambridge (United States) | ||
San Francisco (United States) |
M&A activity in Voice AI
Company | Acquisition Type | Acquisition Date | Acquirers |
|---|---|---|---|
Business Acquisition | Jul 14, 2025 | ||
Business Acquisition | Nov 03, 2021 | ||
Business Acquisition | Oct 27, 2021 | ||
Business Acquisition | Apr 22, 2020 | ||
Business Acquisition | Nov 05, 2009 |
Acquisition trends in Voice AI
Here are the acquisition trends in Voice AI:
- Total Number of Acquisitions
Year | No. of companies |
|---|---|
2026 | - |
2025 | 1 |
2024 | - |
2023 | - |
2022 | - |
2021 | 2 |
2020 | 1 |
2019 | - |
2018 | - |
2017 | - |
IPOs in Voice AI
Company | IPO Date | Exchange Symbol |
|---|---|---|
Oct 28, 2024 | Tokyo Stock Exchange (TSE) | |
Apr 28, 2022 | National Association of Securities Dealers Automated Quotations (NASDAQ) | |
Nov 05, 2019 | Korea Exchange (KRX) | |
Jun 27, 2005 | Tokyo Stock Exchange (TSE) |
Colleges which produce the most Voice AI companies
Companies founded by alumni from top colleges in the Voice AI sector
Most number of Voice AI startups have been founded by alumni from Stanford University, University of Cambridge and Carnegie Mellon University.
College | No. of companies |
|---|---|
Stanford University | 13 |
University of Cambridge | 7 |
Carnegie Mellon University | 5 |
University of California (Berkeley) | 4 |
BITS Pilani | 3 |
Cornell University | 3 |
Duke University | 3 |
IIT Bombay | 3 |
IIT Delhi | 3 |
IIT Kharagpur | 3 |
Total funding in companies founded by alumni from top colleges in the the Voice AI sector
In the last 10 years, University of Cambridge graduates' Voice AI companies have raised the most funding among top colleges. Stanford University alumni are second, and Imperial College London alumni are third.
College | Total Funding |
|---|---|
University of Cambridge | $1.09B |
Stanford University | $913M |
Imperial College London | $799M |
University of Oxford | $791M |
University of Toronto | $281M |
Duke University | $258M |
Carnegie Mellon University | $159M |
IIT Delhi | $134M |
IIT Bombay | $94.8M |
University of California (Berkeley) | $90.9M |
