Company lists · Data refreshed October 2026
Top 25 Audio annotation services worldwide
RevenueBase identified 181 company matches for audio annotation services worldwide as of October 2026 and tracks 4,369 professional contacts across them, including 421 with verified work emails. The United States is the largest market and San Francisco the largest hub.
This list covers company matches for audio annotation services 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 October 22, 2026. Country and city lists for audio annotation services 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 audio annotation services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 675 contacts → | ||||
Exact match “TranscribeMe is the global leader in speech to text transcription services, providing accurate and reliable transcription solutions to thousands of clients in a wide range of…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 625 contacts → | ||||
Exact match “Productive Playhouse is the execution partner technical program managers trust when scale, compliance, and quality can’t slip.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 282 contacts → | ||||
Exact match “Scribie is a long-standing transcription platform trusted by customers worldwide, now evolving into an AI-powered, human-in-the-loop system.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 153 contacts → | ||||
Exact match “Label Your Data is a data annotation & labeling company.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 146 contacts → | ||||
Exact match “We’re HappyScribe, 100% bootstrapped AI company based in Barcelona.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 138 contacts → | ||||
Exact match “Wow AI | Powered by AIxBlock - is an.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 131 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 90 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 · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 73 contacts → | ||||
Exact match “AIMMO creates a large volume of training data accurately and quickly so that more industries and enterprises can utilize AI.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 68 contacts → | ||||
Exact match “Turning interviews or live events into articles, podcasts and videos can be a painful process.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 49 contacts → | ||||
Exact match “NOTE: Captionmax was acquired by 3Play Media in early 2022 and rebranded as 3Play Media in September of 2022.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 40 contacts → | ||||
Exact match “With a deep dedication to creating ground-breaking tools plus large-scale human insight, we address the pain points of curating data for machine learning and other artificial…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 22 contacts → | ||||
Exact match “Digital Media Lab specializing in Closed Captioning/Subtitles, Conforming, English and Foreign Languages, Audio Description, Forced Narratives, translations, and more.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 20 contacts → | ||||
Exact match “SoundTitles provides technology and services to make your content accessible to audiences across the globe, from captioning and translation, to voice-overs and other accessibility…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “Professional services for your audiovisual content Scarlett provides high-quality services, capturing the essence of the original version and retaining its meaning and context…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “We provide agile, high-quality audiovisual localization solutions through our own state-of-the-art in-house studios, across a large worldwide network of partner providers.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “Dixilang was founded in 2012 and today is a leading speech recognition technologies company.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Vatis Tech’s provides cutting-edge speech-to-text technology that automatically converts audio or video files into text with over 90% accuracy, leveraging proprietary…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “MoonCity understands what writers and editors need in order to find the best material quickly and efficiently.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Sharp Copy Transcription, in business since 2013, is an independently owned transcription company based in Oak Park, Illinois.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Work with ECS to create beautiful captions that speak to your audience and stay within your budget Our Services: Transcription - A verbatim transcript with 99% accuracy provides…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “ScriptMe.io will transcribe your audio and video faster than realtime.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Turn your audio into content.” Recorded in the RevenueBase company graph · Oct 22, 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 “audio annotation services”. 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 181 audio annotation services worldwide
See the full list, filter by size, metro and specialty, and access 421 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Audio annotation services worldwide at a glance
As of Oct 22, 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 audio annotation services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “audio annotation services” 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 421 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 October 22, 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.
Audio annotation services by location
1 lists · largest firstEvery Audio annotation services 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 “audio annotation services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many audio annotation services are there worldwide?
RevenueBase identified 181 company matches for audio annotation services worldwide as of October 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?
Transcribeme tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most audio annotation services?
The United States leads with 42 companies. Every audio annotation services list by country and city is linked on this page.
Which city has the most audio annotation services?
San Francisco leads with 5 company records, followed by London (4) and Los Angeles (4).
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 421 professional contacts with verified work emails tracked across these 181 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 October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 181 audio annotation services 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 audio annotation services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 181 matching company records for audio annotation services worldwide, with 4,369 tracked contacts and 421 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: October 22, 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 audio annotation services 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 |  Transcribemetranscribeme.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 675 contacts → |
“TranscribeMe is the global leader in speech to text transcription services, providing accurate and reliable transcription solutions to thousands of clients in a wide range of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Productive Playhouseproductiveplayhouse.comHQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 625 contacts → |
“Productive Playhouse is the execution partner technical program managers trust when scale, compliance, and quality can’t slip.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Scribiescribie.comHQ: Wilmington, DE, United StatesReported employees: Not recorded | Wilmington, DE, United States | Not recorded | Exact match | 282 contacts → |
“Scribie is a long-standing transcription platform trusted by customers worldwide, now evolving into an AI-powered, human-in-the-loop system.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Label Your Datalabelyourdata.comHQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 153 contacts → |
“Label Your Data is a data annotation & labeling company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Happyscribehappyscribe.comHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 146 contacts → |
“We’re HappyScribe, 100% bootstrapped AI company based in Barcelona.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  WOW AIaixblock.ioHQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 138 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Speechmaticsspeechmatics.comHQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 131 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  WAY With Wordswaywithwords.netHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 90 contacts → |
“About Way With Words Way With Words is a registered company in the United Kingdom, Australia and South Africa.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | AIMMOaimmo.ai HQ: 성남시, South KoreaReported employees: 51-200 | 성남시, South Korea | 51-200 | Exact match | 73 contacts → |
“AIMMO creates a large volume of training data accurately and quickly so that more industries and enterprises can utilize AI.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  TRINTtrint.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 68 contacts → |
“Turning interviews or live events into articles, podcasts and videos can be a painful process.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Captionmax3playmedia.comHQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 49 contacts → |
“NOTE: Captionmax was acquired by 3Play Media in early 2022 and rebranded as 3Play Media in September of 2022.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  AI Data Innovationsaidatainnovations.comHQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 40 contacts → |
“With a deep dedication to creating ground-breaking tools plus large-scale human insight, we address the pain points of curating data for machine learning and other artificial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Apex Media Solutions LLCapexmediasolutions.netHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 22 contacts → |
“Digital Media Lab specializing in Closed Captioning/Subtitles, Conforming, English and Foreign Languages, Audio Description, Forced Narratives, translations, and more.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Soundtitlessoundtitles.comHQ: Wilmington, DE, United StatesReported employees: 1-10 | Wilmington, DE, United States | 1-10 | Exact match | 20 contacts → |
“SoundTitles provides technology and services to make your content accessible to audiences across the globe, from captioning and translation, to voice-overs and other accessibility…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Scarlett Subtitlingscarlettsubtitling.com.ar HQ: Buenos Aires, ArgentinaReported employees: 1-10 | Buenos Aires, Argentina | 1-10 | Exact match | 15 contacts → |
“Professional services for your audiovisual content Scarlett provides high-quality services, capturing the essence of the original version and retaining its meaning and context…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Alpha Studiosstudios.alphacrc.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 14 contacts → |
“We provide agile, high-quality audiovisual localization solutions through our own state-of-the-art in-house studios, across a large worldwide network of partner providers.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Dixilangdixilang.comHQ: Rehovot, IsraelReported employees: 11-50 | Rehovot, Israel | 11-50 | Exact match | 12 contacts → |
“Dixilang was founded in 2012 and today is a leading speech recognition technologies company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vatis Techvatis.tech HQ: Bucharest, RomaniaReported employees: 11-50 | Bucharest, Romania | 11-50 | Exact match | 9 contacts → |
“Vatis Tech’s provides cutting-edge speech-to-text technology that automatically converts audio or video files into text with over 90% accuracy, leveraging proprietary…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Mooncity Transcriptsmooncityscripts.comHQ: Oklahoma City, OK, United StatesReported employees: 11-50 | Oklahoma City, OK, United States | 11-50 | Exact match | 8 contacts → |
“MoonCity understands what writers and editors need in order to find the best material quickly and efficiently.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Transcribemetranscribeme.app HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Cambridge Transcriptionsctran.com HQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Sharp Copy Transcriptionsharpcopytranscription.com HQ: Oak Park, IL, United StatesReported employees: 1-10 | Oak Park, IL, United States | 1-10 | Exact match | 4 contacts → |
“Sharp Copy Transcription, in business since 2013, is an independently owned transcription company based in Oak Park, Illinois.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Empire Caption Solutionsempirecaptions.comHQ: San Diego, NC, United StatesReported employees: 1-10 | San Diego, NC, United States | 1-10 | Exact match | 3 contacts → |
“Work with ECS to create beautiful captions that speak to your audience and stay within your budget Our Services: Transcription - A verbatim transcript with 99% accuracy provides…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | scriptme.ioscriptme.io HQ: Stockholm, SwedenReported employees: 1-10 | Stockholm, Sweden | 1-10 | Exact match | 3 contacts → |
“ScriptMe.io will transcribe your audio and video faster than realtime.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Whispertranscribewhispertranscribe.com HQ: Rotterdam, NetherlandsReported employees: 1-10 | Rotterdam, Netherlands | 1-10 | Exact match | 3 contacts → |
“Turn your audio into content.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 181 company matches
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Audio annotation services: dataset insights
October 22, 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
181 records in the displayed employee bands.
0 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 181 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: October 22, 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 ↗
Audio annotation services by location
1 lists · largest firstEvery Audio annotation services 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 audio annotation services?
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 audio annotation services did RevenueBase find worldwide?
The saved snapshot records 181 matching company records, 4,369 tracked contacts and 421 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: October 22, 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 audio annotation services worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/audio-annotation-services.
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 audio annotation services worldwide
RevenueBase records 181 matching company records for audio annotation services worldwide, with 4,369 tracked contacts and 421 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: October 22, 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 audio annotation services 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 | Transcribemetranscribeme.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 675 contacts → |
“TranscribeMe is the global leader in speech to text transcription services, providing accurate and reliable transcription solutions to thousands of clients in a wide range of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Productive Playhouseproductiveplayhouse.com HQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 625 contacts → |
“Productive Playhouse is the execution partner technical program managers trust when scale, compliance, and quality can’t slip.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Scribiescribie.com HQ: Wilmington, DE, United StatesReported employees: Not recorded | Wilmington, DE, United States | Not recorded | Exact match | 282 contacts → |
“Scribie is a long-standing transcription platform trusted by customers worldwide, now evolving into an AI-powered, human-in-the-loop system.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Label Your Datalabelyourdata.com HQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 153 contacts → |
“Label Your Data is a data annotation & labeling company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Happyscribehappyscribe.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 146 contacts → |
“We’re HappyScribe, 100% bootstrapped AI company based in Barcelona.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | WOW AIaixblock.io HQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 138 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Speechmaticsspeechmatics.com HQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 131 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 · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | WAY With Wordswaywithwords.net HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 90 contacts → |
“About Way With Words Way With Words is a registered company in the United Kingdom, Australia and South Africa.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | AIMMOaimmo.ai HQ: 성남시, South KoreaReported employees: 51-200 | 성남시, South Korea | 51-200 | Exact match | 73 contacts → |
“AIMMO creates a large volume of training data accurately and quickly so that more industries and enterprises can utilize AI.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | TRINTtrint.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 68 contacts → |
“Turning interviews or live events into articles, podcasts and videos can be a painful process.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Captionmax3playmedia.com HQ: Minneapolis, MN, United StatesReported employees: 201-500 | Minneapolis, MN, United States | 201-500 | Exact match | 49 contacts → |
“NOTE: Captionmax was acquired by 3Play Media in early 2022 and rebranded as 3Play Media in September of 2022.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | AI Data Innovationsaidatainnovations.com HQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 40 contacts → |
“With a deep dedication to creating ground-breaking tools plus large-scale human insight, we address the pain points of curating data for machine learning and other artificial…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Apex Media Solutions LLCapexmediasolutions.net HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 22 contacts → |
“Digital Media Lab specializing in Closed Captioning/Subtitles, Conforming, English and Foreign Languages, Audio Description, Forced Narratives, translations, and more.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Soundtitlessoundtitles.com HQ: Wilmington, DE, United StatesReported employees: 1-10 | Wilmington, DE, United States | 1-10 | Exact match | 20 contacts → |
“SoundTitles provides technology and services to make your content accessible to audiences across the globe, from captioning and translation, to voice-overs and other accessibility…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Scarlett Subtitlingscarlettsubtitling.com.ar HQ: Buenos Aires, ArgentinaReported employees: 1-10 | Buenos Aires, Argentina | 1-10 | Exact match | 15 contacts → |
“Professional services for your audiovisual content Scarlett provides high-quality services, capturing the essence of the original version and retaining its meaning and context…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Alpha Studiosstudios.alphacrc.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 14 contacts → |
“We provide agile, high-quality audiovisual localization solutions through our own state-of-the-art in-house studios, across a large worldwide network of partner providers.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Dixilangdixilang.com HQ: Rehovot, IsraelReported employees: 11-50 | Rehovot, Israel | 11-50 | Exact match | 12 contacts → |
“Dixilang was founded in 2012 and today is a leading speech recognition technologies company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vatis Techvatis.tech HQ: Bucharest, RomaniaReported employees: 11-50 | Bucharest, Romania | 11-50 | Exact match | 9 contacts → |
“Vatis Tech’s provides cutting-edge speech-to-text technology that automatically converts audio or video files into text with over 90% accuracy, leveraging proprietary…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mooncity Transcriptsmooncityscripts.com HQ: Oklahoma City, OK, United StatesReported employees: 11-50 | Oklahoma City, OK, United States | 11-50 | Exact match | 8 contacts → |
“MoonCity understands what writers and editors need in order to find the best material quickly and efficiently.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Transcribemetranscribeme.app HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Cambridge Transcriptionsctran.com HQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Sharp Copy Transcriptionsharpcopytranscription.com HQ: Oak Park, IL, United StatesReported employees: 1-10 | Oak Park, IL, United States | 1-10 | Exact match | 4 contacts → |
“Sharp Copy Transcription, in business since 2013, is an independently owned transcription company based in Oak Park, Illinois.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Empire Caption Solutionsempirecaptions.com HQ: San Diego, NC, United StatesReported employees: 1-10 | San Diego, NC, United States | 1-10 | Exact match | 3 contacts → |
“Work with ECS to create beautiful captions that speak to your audience and stay within your budget Our Services: Transcription - A verbatim transcript with 99% accuracy provides…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | scriptme.ioscriptme.io HQ: Stockholm, SwedenReported employees: 1-10 | Stockholm, Sweden | 1-10 | Exact match | 3 contacts → |
“ScriptMe.io will transcribe your audio and video faster than realtime.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Whispertranscribewhispertranscribe.com HQ: Rotterdam, NetherlandsReported employees: 1-10 | Rotterdam, Netherlands | 1-10 | Exact match | 3 contacts → |
“Turn your audio into content.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 181 company matches
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Audio annotation services: dataset insights
October 22, 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
181 records in the displayed employee bands.
0 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 181 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: October 22, 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 ↗
Audio annotation services by location
1 lists · largest firstEvery Audio annotation services 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 audio annotation services?
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 audio annotation services did RevenueBase find worldwide?
The saved snapshot records 181 matching company records, 4,369 tracked contacts and 421 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: October 22, 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 audio annotation services worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/audio-annotation-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗