Company lists · Data refreshed September 2026

Top 25 AI voice synthesis platforms worldwide

RevenueBase identified 814 company matches for AI voice synthesis platforms worldwide as of September 2026 and tracks 12,532 professional contacts across them, including 2,865 with verified work emails. The United States is the largest market and San Francisco the largest hub.

This list covers company matches for AI voice synthesis platforms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026. Country and city lists for AI voice synthesis platforms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
814Companies
12,532Contacts tracked
2,865Verified emails
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The 25 largest AI voice synthesis platforms worldwide

Ranked by team size
Top 25 of 814 company matches for AI voice synthesis platforms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBurlington, MA, United StatesHQ recorded Sep 27, 202610001+3,544 contacts →

Exact match

“Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchLondon, ON, CanadaHQ recorded Sep 27, 2026n/a710 contacts →

Exact match

“Voices is the world’s leading enterprise-class marketplace and platform to source voice over actors, ethically license voice AI and access custom voice data to train AI models.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchNew York, United StatesHQ recorded Sep 27, 2026n/a679 contacts →

Exact match

“Research Lab.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200262 contacts →

Exact match

“Deepgram is the real-time API platform powering the trillion-dollar Voice AI economy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchPlano, TX, United StatesHQ recorded Sep 27, 2026n/a196 contacts →

Exact match

“Deepdub is the enterprise voice infrastructure powering AI in production.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchUnited StatesHQ recorded Sep 27, 202651-200172 contacts →

Exact match

“Speechify is the Voice AI Assistant you’ve always wanted.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchSingaporeHQ recorded Sep 27, 2026201-500167 contacts →

Exact match

“MiniMax is a leading global technology company and one of the pioneers of large language models (LLMs) in Asia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200147 contacts →

Exact match

“At Murf AI, we believe voice will always be humanity’s most natural interface and we empower builders and creators to unlock the full potential of AI voice.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchValencia, SpainHQ recorded Sep 27, 202651-200118 contacts →

Exact match

“Voicemod is the global leader in real-time AI voice transformation and interactive audio, helping over 72 million users bring creativity and fun to their online interactions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchCambridge, United KingdomHQ recorded Sep 27, 202651-200115 contacts →

Exact match

“Speechmatics is the world’s leading expert in speech technology, combining the latest breakthroughs in AI and ML to unlock the business value in human speech.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchKirkel, GermanyHQ recorded Sep 27, 202651-200114 contacts →

Exact match

“Imprint: semvox offers secure solutions and efficient technologies for voice control, multimodal human-machine interaction, and intelligent virtual personal assistance system…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchMountain View, CA, United StatesHQ recorded Sep 27, 202651-200108 contacts →

Exact match

“Inworld AI is a realtime AI research lab and model provider, providing Voice AI built for realtime conversation that feels as human as it sounds.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200106 contacts →

Exact match

“AssemblyAI is the best way to build Voice AI apps.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchSuzhou, ChinaHQ recorded Sep 27, 2026501-1,00098 contacts →

Exact match

“AISpeech is a leading conversational AI company in China.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchMünchen, GermanyHQ recorded Sep 27, 202651-20097 contacts →

Exact match

“Bragi is the inventor of the True Wireless Stereo (TWS) category and an early pioneer in smart audio.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchRedwood City, CA, United StatesHQ recorded Sep 27, 202651-20097 contacts →

Exact match

“Retell is the #1 voice AI agent platform, enabling you to build, test, deploy, and monitor voice AI agents.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchMclean, VA, United StatesHQ recorded Sep 27, 202651-20095 contacts →

Exact match

“AppTek.ai is a global leader in artificial intelligence (AI) and machine learning (ML) technologies for automatic speech recognition (ASR), neural machine translation (NMT)…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Sep 27, 202651-20091 contacts →

Exact match

“BOTNOI Company, founded in 2017 by Dr.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Sep 27, 202651-20081 contacts →

Exact match

“LiveKit offers open source frameworks and a cloud platform for building voice, video, and physical AI agents.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchNew Territories, Hong KongHQ recorded Sep 27, 202651-20079 contacts →

Exact match

“Fano is an AI company specializing in speech and natural language processing technologies to help enterprises with their customer services, compliance, and other lines of…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchSeattle, WA, United StatesHQ recorded Sep 27, 202651-20069 contacts →

Exact match

“WellSaid is the AI voiceover platform built for professional audio production.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchАлматы, KazakhstanHQ recorded Sep 27, 202651-20067 contacts →

Exact match

“Cybernet AI builds a compliance-first voice AI platform for enterprise communication in regulated industries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, United StatesHQ recorded Sep 27, 202611-5064 contacts →

Exact match

“CAMB.AI is the world’s most advanced AI speech synthesis and translation company.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-20064 contacts →

Exact match

“Smallest.ai is an AI research lab pioneering the future of compact, powerful models.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchSan Mateo, CA, United StatesHQ recorded Sep 27, 202651-20064 contacts →

Exact match

“Artificial intelligence-powered voice and video technologies have been gaining steady popularity in recent years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 814 AI voice synthesis platforms worldwide

See the full list, filter by size, metro and specialty, and access 2,865 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI voice synthesis platforms worldwide at a glance

As of Sep 27, 2026
22.9%Verified-email coverage
15.4Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · San Francisco
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
483
11-50
252
51-200
64
201-500
9
501-1,000
2
1,001-5,000
1
5,001-10,000
1
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for AI voice synthesis platforms are linked below.
What qualifies
Company records worldwide whose business descriptions match “AI voice synthesis platforms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 2,865 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

AI voice synthesis platforms by location

4 lists · largest first

Every AI voice synthesis platforms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “AI voice synthesis platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI voice synthesis platforms are there worldwide?

RevenueBase identified 814 company matches for AI voice synthesis platforms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Nuance Communications tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most AI voice synthesis platforms?

The United States leads with 180 companies, followed by India (69) and the United Kingdom (44). Every AI voice synthesis platforms list by country and city is linked on this page.

Which city has the most AI voice synthesis platforms?

San Francisco leads with 35 company records, followed by London (28) and New York (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,865 professional contacts with verified work emails tracked across these 814 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.