Company lists · Data refreshed November 2026
Top 25 Speech synthesis service providers worldwide
RevenueBase identified 370 company matches for speech synthesis service providers worldwide as of November 2026 and tracks 4,043 professional contacts across them, including 1,234 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for speech synthesis service providers 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 November 6, 2026. Country and city lists for speech synthesis service providers 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.
The 25 largest speech synthesis service providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 360 contacts → | ||||
Exact match “Deepgram is the real-time API platform powering the trillion-dollar Voice AI economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 212 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 203 contacts → | ||||
Exact match “Speechify is the Voice AI Assistant you’ve always wanted.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 155 contacts → | ||||
Exact match “ReadSpeaker webReader: Text-to-Speech, Reading, Translation & Summarization Tool for Websites webReader makes online content accessible and easier to understand for every visitor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 142 contacts → | ||||
Exact match “At Murf AI, we’re building the infrastructure for the next generation of voice agents.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 134 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 118 contacts → | ||||
Exact match “RAIN is a pioneer in voice and conversational AI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 114 contacts → | ||||
Exact match “AssemblyAI is the best way to build Voice AI apps.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 99 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 98 contacts → | ||||
Exact match “About Way With Words Way With Words is a registered company in the United Kingdom, Australia and South Africa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 70 contacts → | ||||
Exact match “Verbit serves as an essential accessibility partner to businesses and institutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 63 contacts → | ||||
Exact match “The Voiceover Gallery is an audio production company specialising in Voice, Language & Sound.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 61 contacts → | ||||
Exact match “WellSaid is the AI voiceover platform built for professional audio production.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 61 contacts → | ||||
Exact match “Intron is the infrastructure layer for voice interactions across Africa, industry leading speech-to-text and text-to-speech APIs to power several voice applications like clinical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 52 contacts → | ||||
Exact match “Gladia is the AI audio infrastructure that transcribes, and enriches every conversation through a single API-so developers can turn audio into structured, actionable data for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 52 contacts → | ||||
Exact match “Respeecher offers a variety of AI voice services for creators, studios, and businesses: • AI Voice Lab Get top-tier white-glove AI voice services from a team of sound…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 49 contacts → | ||||
Exact match “Aqlama.ai is a new startup emerged from the experience and success of Aqlama language Services agency that was founded in 2019 by Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “Voice AI is an AI audio company specializing in scalable voice agents.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 46 contacts → | ||||
Exact match “AudioStack is a London/Barcelona/New York City based software company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 42 contacts → | ||||
Exact match “BdSound, headquartered in Milano area, Italy, with a subsidiary office in Shanghai, China, has been a leading provider of voice technology since 2009.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 36 contacts → | ||||
Exact match “CoeFont is an AI voice platform built to make cross-lingual communication effortless.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 31 contacts → | ||||
Exact match “ActionPower is an AI deep tech startup based in Korea.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 25 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 24 contacts → | ||||
Exact match “Scale your voice generation with PlayAI's Text to Speech models that can clone and generate speech with hyper-realism across any language, accent and dialect.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 24 contacts → | ||||
Exact match “Return Zero team members are AI practitioners' who develops actual value-adding service based on AI technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “speech synthesis service providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 370 speech synthesis service providers worldwide
See the full list, filter by size, metro and specialty, and access 1,234 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Speech synthesis service providers worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 speech synthesis service providers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “speech synthesis service providers” 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 1,234 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 November 6, 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.
Speech synthesis service providers by location
1 lists · largest firstEvery Speech synthesis service providers 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 “speech synthesis service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many speech synthesis service providers are there worldwide?
RevenueBase identified 370 company matches for speech synthesis service providers worldwide as of November 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?
Deepgram tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most speech synthesis service providers?
The United States leads with 86 companies. Every speech synthesis service providers list by country and city is linked on this page.
Which city has the most speech synthesis service providers?
London leads with 12 company records, followed by Paris (8) and New York (7).
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 1,234 professional contacts with verified work emails tracked across these 370 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 370 speech synthesis service providers worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 speech synthesis service providers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 370 matching company records for speech synthesis service providers worldwide, with 4,043 tracked contacts and 1,234 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 speech synthesis service providers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Deepgramdeepgram.comHQ: San Francisco, MI, United StatesReported employees: 51-200 | San Francisco, MI, United States | 51-200 | Exact match | 360 contacts → |
“Deepgram is the real-time API platform powering the trillion-dollar Voice AI economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Minimaxminimax.ioHQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 212 contacts → |
“MiniMax is a leading global technology company and one of the pioneers of large language models (LLMs) in Asia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Speechifyspeechify.comHQ: Remote, United StatesReported employees: 51-200 | Remote, United States | 51-200 | Exact match | 203 contacts → |
“Speechify is the Voice AI Assistant you’ve always wanted.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Readspeakerreadspeaker.comHQ: Driebergen-rijsenburg, NetherlandsReported employees: 51-200 | Driebergen-rijsenburg, Netherlands | 51-200 | Exact match | 155 contacts → |
“ReadSpeaker webReader: Text-to-Speech, Reading, Translation & Summarization Tool for Websites webReader makes online content accessible and easier to understand for every visitor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Murf AImurf.aiHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 142 contacts → |
“At Murf AI, we’re building the infrastructure for the next generation of voice agents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Speechmaticsspeechmatics.comHQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 134 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  RAINrain.agencyHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 118 contacts → |
“RAIN is a pioneer in voice and conversational AI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Assemblyaiassemblyai.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 114 contacts → |
“AssemblyAI is the best way to build Voice AI apps.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Inworld AIinworld.aiHQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 99 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  WAY With Wordswaywithwords.netHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 98 contacts → |
“About Way With Words Way With Words is a registered company in the United Kingdom, Australia and South Africa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  verbit.aiverbit.aiHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 70 contacts → |
“Verbit serves as an essential accessibility partner to businesses and institutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  The Voiceover Gallerythevoiceovergallery.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 63 contacts → |
“The Voiceover Gallery is an audio production company specialising in Voice, Language & Sound.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Wellsaidwellsaid.ioHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 61 contacts → |
“WellSaid is the AI voiceover platform built for professional audio production.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Intron Voice AIintron.ioHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 61 contacts → |
“Intron is the infrastructure layer for voice interactions across Africa, industry leading speech-to-text and text-to-speech APIs to power several voice applications like clinical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Gladiagladia.ioHQ: Paris, United StatesReported employees: 11-50 | Paris, United States | 11-50 | Exact match | 52 contacts → |
“Gladia is the AI audio infrastructure that transcribes, and enriches every conversation through a single API-so developers can turn audio into structured, actionable data for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Respeecherrespeecher.comHQ: Kyiv, UkraineReported employees: 11-50 | Kyiv, Ukraine | 11-50 | Exact match | 52 contacts → |
“Respeecher offers a variety of AI voice services for creators, studios, and businesses: • AI Voice Lab Get top-tier white-glove AI voice services from a team of sound…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  aqlama.aiaqlama.comHQ: San Bruno, CA, United StatesReported employees: Not recorded | San Bruno, CA, United States | Not recorded | Exact match | 49 contacts → |
“Aqlama.ai is a new startup emerged from the experience and success of Aqlama language Services agency that was founded in 2019 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Voice AIvoice.aiHQ: Santa Monica, CA, United StatesReported employees: 11-50 | Santa Monica, CA, United States | 11-50 | Exact match | 48 contacts → |
“Voice AI is an AI audio company specializing in scalable voice agents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Audiostackaudiostack.aiHQ: London, United StatesReported employees: 11-50 | London, United States | 11-50 | Exact match | 46 contacts → |
“AudioStack is a London/Barcelona/New York City based software company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Bdsoundbdsound.comHQ: Rozzano, ItalyReported employees: 11-50 | Rozzano, Italy | 11-50 | Exact match | 42 contacts → |
“BdSound, headquartered in Milano area, Italy, with a subsidiary office in Shanghai, China, has been a leading provider of voice technology since 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Coefontcoefont.cloudHQ: San Mateo, United StatesReported employees: 11-50 | San Mateo, United States | 11-50 | Exact match | 36 contacts → |
“CoeFont is an AI voice platform built to make cross-lingual communication effortless.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Actionpoweractionpower.krHQ: 서울시, South KoreaReported employees: 51-200 | 서울시, South Korea | 51-200 | Exact match | 31 contacts → |
“ActionPower is an AI deep tech startup based in Korea.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | E24 Technologiese24tech.com HQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Playaiplay.aiHQ: Palo Alto, CA, United StatesReported employees: 11-50 | Palo Alto, CA, United States | 11-50 | Exact match | 24 contacts → |
“Scale your voice generation with PlayAI's Text to Speech models that can clone and generate speech with hyper-realism across any language, accent and dialect.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Return Zerortzr.aiHQ: Seoul, South KoreaReported employees: 51-200 | Seoul, South Korea | 51-200 | Exact match | 24 contacts → |
“Return Zero team members are AI practitioners' who develops actual value-adding service based on AI technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 370 company matches
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Speech synthesis service providers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
369 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 370 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Speech synthesis service providers by location
1 lists · largest firstEvery Speech synthesis service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for speech synthesis service providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many speech synthesis service providers did RevenueBase find worldwide?
The saved snapshot records 370 matching company records, 4,043 tracked contacts and 1,234 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 speech synthesis service providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/speech-synthesis-service-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 speech synthesis service providers worldwide
RevenueBase records 370 matching company records for speech synthesis service providers worldwide, with 4,043 tracked contacts and 1,234 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 speech synthesis service providers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Deepgramdeepgram.com HQ: San Francisco, MI, United StatesReported employees: 51-200 | San Francisco, MI, United States | 51-200 | Exact match | 360 contacts → |
“Deepgram is the real-time API platform powering the trillion-dollar Voice AI economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Minimaxminimax.io HQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 212 contacts → |
“MiniMax is a leading global technology company and one of the pioneers of large language models (LLMs) in Asia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Speechifyspeechify.com HQ: Remote, United StatesReported employees: 51-200 | Remote, United States | 51-200 | Exact match | 203 contacts → |
“Speechify is the Voice AI Assistant you’ve always wanted.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Readspeakerreadspeaker.com HQ: Driebergen-rijsenburg, NetherlandsReported employees: 51-200 | Driebergen-rijsenburg, Netherlands | 51-200 | Exact match | 155 contacts → |
“ReadSpeaker webReader: Text-to-Speech, Reading, Translation & Summarization Tool for Websites webReader makes online content accessible and easier to understand for every visitor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Murf AImurf.ai HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 142 contacts → |
“At Murf AI, we’re building the infrastructure for the next generation of voice agents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Speechmaticsspeechmatics.com HQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 134 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RAINrain.agency HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 118 contacts → |
“RAIN is a pioneer in voice and conversational AI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Assemblyaiassemblyai.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 114 contacts → |
“AssemblyAI is the best way to build Voice AI apps.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Inworld AIinworld.ai HQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 99 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | WAY With Wordswaywithwords.net HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 98 contacts → |
“About Way With Words Way With Words is a registered company in the United Kingdom, Australia and South Africa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | verbit.aiverbit.ai HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 70 contacts → |
“Verbit serves as an essential accessibility partner to businesses and institutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | The Voiceover Gallerythevoiceovergallery.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 63 contacts → |
“The Voiceover Gallery is an audio production company specialising in Voice, Language & Sound.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wellsaidwellsaid.io HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 61 contacts → |
“WellSaid is the AI voiceover platform built for professional audio production.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intron Voice AIintron.io HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 61 contacts → |
“Intron is the infrastructure layer for voice interactions across Africa, industry leading speech-to-text and text-to-speech APIs to power several voice applications like clinical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gladiagladia.io HQ: Paris, United StatesReported employees: 11-50 | Paris, United States | 11-50 | Exact match | 52 contacts → |
“Gladia is the AI audio infrastructure that transcribes, and enriches every conversation through a single API-so developers can turn audio into structured, actionable data for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Respeecherrespeecher.com HQ: Kyiv, UkraineReported employees: 11-50 | Kyiv, Ukraine | 11-50 | Exact match | 52 contacts → |
“Respeecher offers a variety of AI voice services for creators, studios, and businesses: • AI Voice Lab Get top-tier white-glove AI voice services from a team of sound…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | aqlama.aiaqlama.com HQ: San Bruno, CA, United StatesReported employees: Not recorded | San Bruno, CA, United States | Not recorded | Exact match | 49 contacts → |
“Aqlama.ai is a new startup emerged from the experience and success of Aqlama language Services agency that was founded in 2019 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Voice AIvoice.ai HQ: Santa Monica, CA, United StatesReported employees: 11-50 | Santa Monica, CA, United States | 11-50 | Exact match | 48 contacts → |
“Voice AI is an AI audio company specializing in scalable voice agents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Audiostackaudiostack.ai HQ: London, United StatesReported employees: 11-50 | London, United States | 11-50 | Exact match | 46 contacts → |
“AudioStack is a London/Barcelona/New York City based software company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bdsoundbdsound.com HQ: Rozzano, ItalyReported employees: 11-50 | Rozzano, Italy | 11-50 | Exact match | 42 contacts → |
“BdSound, headquartered in Milano area, Italy, with a subsidiary office in Shanghai, China, has been a leading provider of voice technology since 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Coefontcoefont.cloud HQ: San Mateo, United StatesReported employees: 11-50 | San Mateo, United States | 11-50 | Exact match | 36 contacts → |
“CoeFont is an AI voice platform built to make cross-lingual communication effortless.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Actionpoweractionpower.kr HQ: 서울시, South KoreaReported employees: 51-200 | 서울시, South Korea | 51-200 | Exact match | 31 contacts → |
“ActionPower is an AI deep tech startup based in Korea.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | E24 Technologiese24tech.com HQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Playaiplay.ai HQ: Palo Alto, CA, United StatesReported employees: 11-50 | Palo Alto, CA, United States | 11-50 | Exact match | 24 contacts → |
“Scale your voice generation with PlayAI's Text to Speech models that can clone and generate speech with hyper-realism across any language, accent and dialect.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Return Zerortzr.ai HQ: Seoul, South KoreaReported employees: 51-200 | Seoul, South Korea | 51-200 | Exact match | 24 contacts → |
“Return Zero team members are AI practitioners' who develops actual value-adding service based on AI technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 370 company matches
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Speech synthesis service providers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
369 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 370 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Speech synthesis service providers by location
1 lists · largest firstEvery Speech synthesis service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for speech synthesis service providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many speech synthesis service providers did RevenueBase find worldwide?
The saved snapshot records 370 matching company records, 4,043 tracked contacts and 1,234 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 speech synthesis service providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/speech-synthesis-service-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗