Company lists · Data refreshed September 2026
Top 25 Live caption providers worldwide
RevenueBase identified 356 live caption providers worldwide as of September 2026 and tracks 10,970 professional contacts across them, including 2,175 with verified work emails. The United States is the largest market and London the largest hub.
This list covers live caption providers 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 20, 2026. Country and city lists for live caption providers 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.
The 25 largest live caption providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,863 contacts → | ||||
Indirect evidence “Sorenson is a global language services providers, combining assistive technology with human-centric accessibility solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,213 contacts → | ||||
Partial evidence “CaptionCall provides captioned telephones to those who have hearing loss and have difficulty hearing on the telephone.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 353 contacts → | ||||
Partial evidence “Founded in Australia in 2003, AI-Media is a pioneering technology company specialising in AI language and captioning workflow solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 309 contacts → | ||||
Strong evidence “With more than 35 years of experience, VITAC, a Verbit company, is a full-service captioning and communications accessibility company, and North America’s largest provider of live…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 303 contacts → | ||||
Indirect evidence “Hamilton Relay offers a variety of telecommunication services for individuals who are deaf, hard of hearing, deaf blind or have difficulty speaking.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 178 contacts → | ||||
Partial evidence “Ideal for people with hearing loss, the Captioned Telephone (CapTel) works like any other telephone with one important addition: It displays captions of what the caller says…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 163 contacts → | ||||
Indirect evidence “We’re HappyScribe, 100% bootstrapped AI company based in Barcelona.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 150 contacts → | ||||
Indirect evidence “A SHOWCASE é uma empresa jovem e forte que, pautada no respeito e colaboração, busca inovação e simplicidade para solucionar problemas de implantação e operação de acessibilidade…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 134 contacts → | ||||
Partial evidence “The history of closed captioning is inextricably linked with NCI, the nonprofit corporation created in 1979 to provide the option of television access to deaf and hard-of-hearing…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 114 contacts → | ||||
Partial evidence “Speechpad: Communication and SEO Made Easy Transcription, Translation, Captioning If your business - or job - requires lead generation, you know that content is king.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 93 contacts → | ||||
Indirect evidence “Verbit serves as an essential accessibility partner to businesses and institutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 93 contacts → | ||||
Indirect evidence “About Way With Words Way With Words is a registered company in the United Kingdom, Australia and South Africa.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 90 contacts → | ||||
Partial evidence “We are a company with+25 years of experience in closed captioning and subtitling, translation, and transcription of diverse types of content.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 81 contacts → | ||||
Indirect evidence “With Wordly, nobody misses a word.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 75 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 73 contacts → | ||||
Indirect evidence “We want to radically improve how we humans communicate with each other.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 62 contacts → | ||||
Indirect evidence “Echo Labs is a San Francisco-based AI research lab focused on reducing the cost of accessibility.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 53 contacts → | ||||
Partial evidence “InnoCaption provides free real-time captioning of phone calls through a mobile app, available on both iOS and Android devices.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 51 contacts → | ||||
Partial evidence “NOTE: Captionmax was acquired by 3Play Media in early 2022 and rebranded as 3Play Media in September of 2022.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 39 contacts → | ||||
Partial evidence “Dotsub provides technology and services to add captions and voiceovers into online video in any language.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 38 contacts → | ||||
Strong evidence “BroadStream specializes in flexible and highly scalable solutions for integrated playout, live automated captioning, file-based captioning, and caption encoding and subtitling…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 36 contacts → | ||||
Partial evidence “Partners Interpreting is a private, full-service language company that provides a suite of communication access solutions with sign language interpreters and captioning services…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 33 contacts → | ||||
Indirect evidence “At Aberdeen Broadcast Services, we make media accessible.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 32 contacts → | ||||
Indirect evidence “Link Electronics builds accessibility technology to provide access to various modes of video and audio communication.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 32 contacts → | ||||
Strong evidence “Get accurate live captioning (CART),transcription, American Sign Language (ASL), foreign language interpreting, and more.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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: live caption providers. 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 live caption providers.
- Partial evidence
- Its own public description names part of live caption providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name live caption providers. 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 356 live caption providers worldwide
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Live caption providers worldwide at a glance
As of Sep 20, 2026Companies by employee count
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 live caption providers, 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 live caption providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “live caption providers”. 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 live caption providers), 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 live caption providers, 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, 2,175 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 20, 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.
Live caption providers by location
1 lists · largest firstEvery Live caption 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 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 live caption providers, 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 live caption providers are there worldwide?
RevenueBase identified 356 live caption providers 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?
Sorenson Communications, headquartered in Salt Lake City, tops this list with the largest team on record.
Which country has the most live caption providers?
The United States leads with 146 companies. Every live caption providers list by country and city is linked on this page.
Which city has the most live caption providers?
London leads with 10 headquartered companies, followed by New York (10) and Sao Paulo (7).
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 2,175 verified decision-maker contacts tracked across these 356 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 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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.