Company lists · Data refreshed September 2026

Top 25 AI voice synthesis companies worldwide

Name: AI voice synthesis companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 1,429 companies tracked

RevenueBase identified 1,429 AI voice synthesis companies worldwide as of September 2026 and tracks 23,411 professional contacts across them, including 5,358 with verified work emails. The United States is the largest market and San Francisco the largest hub.

This list covers AI voice synthesis companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for AI voice synthesis companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

1,429Companies

23,411Contacts tracked

5,358Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest AI voice synthesis companies worldwide

Ranked by team size

Top 25 of 1,429 AI voice synthesis companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to AI voice synthesis companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Nuance Communications	Partial evidence	Burlington, MA, United StatesHQ checked Sep 19, 2026	10001+	3,544 contacts →
	Partial evidence “Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.” Source: RevenueBase Database · checked Sep 19, 2026
2	Iflytek Co., LTD	Indirect evidence	合肥, ChinaHQ checked Sep 19, 2026	10001+	2,184 contacts →
	Indirect evidence “iFLYTEK Co, Ltd.(SZ 002230) is a cutting edge speech technology company Core business Fundamental speech technology research Development and marketing of software applications…” Source: RevenueBase Database · checked Sep 19, 2026
3	Audiocodes	Strong evidence	Or Yehuda, IsraelHQ checked Sep 19, 2026	1,001-5,000	1,397 contacts →
	Strong evidence “AudioCodes Ltd.(NASDAQ, TASE: AUDC) is a global leader in enterprise voice technology and voice AI innovation.” Source: RevenueBase Database · checked Sep 19, 2026
4	Voices	Strong evidence	London, ON, CanadaHQ checked Sep 19, 2026	n/a	710 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
5	Sberdevices	Indirect evidence	Moscow, RussiaHQ checked Sep 19, 2026	1,001-5,000	693 contacts →
	Indirect evidence “Кто мы?” Source: RevenueBase Database · checked Sep 19, 2026
6	Elevenlabs	Indirect evidence	New York, United StatesHQ checked Sep 19, 2026	n/a	679 contacts →
	Indirect evidence “Research Lab.” Source: RevenueBase Database · checked Sep 19, 2026
7	Soundhound AI	Strong evidence	Santa Clara, CA, United StatesHQ checked Sep 19, 2026	501-1,000	669 contacts →
	Strong evidence “SoundHound AI (Nasdaq: SOUN), a global leader in voice and conversational AI, delivers solutions that allow businesses to offer superior experiences to their customers.” Source: RevenueBase Database · checked Sep 19, 2026
8	Haptik	Partial evidence	New York, United StatesHQ checked Sep 19, 2026	201-500	317 contacts →
	Partial evidence “Jio Haptik has pioneered AI-powered innovation since 2013, processing 10B+ conversations and 10M+ transactions across 10+ channels and in 135 languages for 500+ enterprises.” Source: RevenueBase Database · checked Sep 19, 2026
9	Deepgram	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	51-200	262 contacts →
	Strong evidence “Deepgram is the real-time API platform powering the trillion-dollar Voice AI economy.” Source: RevenueBase Database · checked Sep 19, 2026
10	SANAS	Partial evidence	Palo Alto, CA, United StatesHQ checked Sep 19, 2026	51-200	259 contacts →
	Partial evidence “Sanas is the world's first and most trusted real-time Speech AI platform.” Source: RevenueBase Database · checked Sep 19, 2026
11	KRISP	Strong evidence	Berkeley, CA, United StatesHQ checked Sep 19, 2026	51-200	246 contacts →
	Strong evidence “Krisp builds real-time Voice AI for the real world.” Source: RevenueBase Database · checked Sep 19, 2026
12	gnani.ai	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	51-200	234 contacts →
	Strong evidence “Gnani AI is the frontier Voice AI company the world runs on.” Source: RevenueBase Database · checked Sep 19, 2026
13	Deepdub	Strong evidence	Plano, TX, United StatesHQ checked Sep 19, 2026	n/a	196 contacts →
	Strong evidence “Deepdub is the enterprise voice infrastructure powering AI in production.” Source: RevenueBase Database · checked Sep 19, 2026
14	Sestek	Partial evidence	Sarıyer, TürkiyeHQ checked Sep 19, 2026	51-200	186 contacts →
	Partial evidence “SESTEK is a conversational automation company working on AI-powered solutions for customer service since Our R&D team of 100+ engineers develops conversational products built on…” Source: RevenueBase Database · checked Sep 19, 2026
15	Speechify	Strong evidence	United StatesHQ checked Sep 19, 2026	51-200	172 contacts →
	Strong evidence “Speechify is the Voice AI Assistant you’ve always wanted.” Source: RevenueBase Database · checked Sep 19, 2026
16	Mobvoi	Partial evidence	Beijing, CA, ChinaHQ checked Sep 19, 2026	501-1,000	171 contacts →
	Partial evidence “Mobvoi (HKEX: 02438) is a publicly listed, AI-first technology company redefining next-generation human-machine interaction through a deep integration of hardware and software.” Source: RevenueBase Database · checked Sep 19, 2026
17	Minimax	Indirect evidence	SingaporeHQ checked Sep 19, 2026	201-500	167 contacts →
	Indirect evidence “MiniMax is a leading global technology company and one of the pioneers of large language models (LLMs) in Asia.” Source: RevenueBase Database · checked Sep 19, 2026
18	Murf AI	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	51-200	147 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
19	Voicemod	Strong evidence	Valencia, SpainHQ checked Sep 19, 2026	51-200	118 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
20	Speechmatics	Partial evidence	Cambridge, United KingdomHQ checked Sep 19, 2026	51-200	115 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
21	Semvox Gmbh	Partial evidence	Kirkel, GermanyHQ checked Sep 19, 2026	51-200	114 contacts →
	Partial evidence “Imprint: semvox offers secure solutions and efficient technologies for voice control, multimodal human-machine interaction, and intelligent virtual personal assistance system…” Source: RevenueBase Database · checked Sep 19, 2026
22	Inworld AI	Strong evidence	Mountain View, CA, United StatesHQ checked Sep 19, 2026	51-200	108 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
23	Fortemedia	Indirect evidence	United StatesHQ checked Sep 19, 2026	51-200	108 contacts →
	Indirect evidence “Fortemedia, Inc, headquartered in the US Silicon Valley and with global operations and offices in Asia, focuses on developing high quality solutions and semiconductor products…” Source: RevenueBase Database · checked Sep 19, 2026
24	Assemblyai	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	51-200	106 contacts →
	Strong evidence “AssemblyAI is the best way to build Voice AI apps.” Source: RevenueBase Database · checked Sep 19, 2026
25	Aispeech Co., LTD	Partial evidence	Suzhou, ChinaHQ checked Sep 19, 2026	501-1,000	98 contacts →
	Partial evidence “AISpeech is a leading conversational AI company in China.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: AI voice synthesis companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names AI voice synthesis companies.
Partial evidence: Its own public description names part of AI voice synthesis companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name AI voice synthesis companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,429 AI voice synthesis companies worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 5,358 reachable decision-makers.

Free signup · no credit card

View the full list →

AI voice synthesis companies worldwide at a glance

As of Sep 19, 2026

22.9%Verified-email coverage

16.4Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · San Francisco

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

847

11-50

439

51-200

105

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among AI voice synthesis companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for AI voice synthesis companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “AI voice synthesis companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names AI voice synthesis companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among AI voice synthesis companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,358 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

AI voice synthesis companies by location

6 lists · largest first

Every AI voice synthesis companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names AI voice synthesis companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many AI voice synthesis companies are there worldwide?

RevenueBase identified 1,429 AI voice synthesis companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Nuance Communications, headquartered in Burlington, tops this list with the largest team on record.

Which country has the most AI voice synthesis companies?

The United States leads with 293 companies, followed by India (121) and the United Kingdom (66). Every AI voice synthesis companies list by country and city is linked on this page.

Which city has the most AI voice synthesis companies?

San Francisco leads with 45 headquartered companies, followed by London (40) and Bengaluru (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,358 verified decision-maker contacts tracked across these 1,429 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,429 AI voice synthesis companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

Browse: Companies home · Lists by location · New lists

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 Smart Search, 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.