Company lists · Data refreshed September 2026
Top 25 Sign language video interpretation companies worldwide
RevenueBase identified 1,050 sign language video interpretation companies worldwide as of September 2026 and tracks 38,539 professional contacts across them, including 5,241 with verified work emails. The United States is the largest market and London the largest hub.
This list covers sign language video interpretation companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for sign language video interpretation companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest sign language video interpretation companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,440 contacts → | ||||
Partial evidence “LanguageLine Solutions is the world’s leading language solutions company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 5,096 contacts → | ||||
Partial evidence “Language Access, Driven by Innovation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,863 contacts → | ||||
Partial evidence “Sorenson is a global language services providers, combining assistive technology with human-centric accessibility solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,503 contacts → | ||||
Partial evidence “GLOBO is a technology-enabled patient communication company, giving organizations the ability to communicate in any language, 24/7 through one simple platform.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,676 contacts → | ||||
Partial evidence “CyraCom is your one-stop shop for top-quality, professional interpretation and translation services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,145 contacts → | ||||
Indirect evidence “The world is a better, fairer place when everyone is understood.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 865 contacts → | ||||
Partial evidence “At Interpretia, we help people understand one another through professional remote interpretation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 833 contacts → | ||||
Partial evidence “Voyce is a technology driven company, deeply committed to helping people in need facing language barriers, enabling them to easily and quickly communicate and get help.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 623 contacts → | ||||
Partial evidence “We provide on-demand interpreting services via phone and video.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 475 contacts → | ||||
Partial evidence “Welcome to Ad Astra, a leading global communication solutions and language services brand.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 363 contacts → | ||||
Partial evidence “Language Empire was established in 2001.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 339 contacts → | ||||
Partial evidence “Ubiqus language services expand under the Acolad brand.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 309 contacts → | ||||
Indirect 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 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 301 contacts → | ||||
Partial evidence “Since 1989, Fluent Language Solutions has helped tens of thousands of clients across the country overcome language barriers with the highest quality interpreting and translating…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 275 contacts → | ||||
Partial evidence “Liberty Language Services is a small, woman- and minority-owned language services agency headquartered in Tysons Corner, Virginia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 264 contacts → | ||||
Partial evidence “ZP is America's leading provider of Video Relay Services (VRS), Video Remote Interpreting (VRI), CART & Captioning Services, and on-site ASL interpreting - born from the union of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 261 contacts → | ||||
Indirect evidence “For over 80 years, Canadian Hearing Services (CHS) has played a significant role in supporting and meeting the needs of Deaf and hard of hearing Canadians.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 206 contacts → | ||||
Strong evidence “Linguava is a full-service provider of spoken and signed languages specializing in Over the Phone Interpretation, Video Remote Interpretation (VRI), Scheduled Video Interpretation…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 185 contacts → | ||||
Partial evidence “At Translit, we empower people and organisations to overcome the language and communication challenges they face every day.Since 2009, we’ve been dedicated to delivering high…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 153 contacts → | ||||
Partial evidence “We provide Video Relay Service and Virtual Interpreting solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 153 contacts → | ||||
Partial evidence “TIN is a translation and interpreting company that exists to promote communication between and among individuals who speak, write and read different languages.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 149 contacts → | ||||
Partial evidence “Interpreters Unlimited (IU) provides solutions wherever language creates a barrier to effective communication.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 145 contacts → | ||||
Indirect evidence “Interprefy is the world's leading provider of human and AI-powered solutions and services for events and meetings.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 134 contacts → | ||||
Indirect 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 29, 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: sign language video interpretation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names sign language video interpretation companies.
- Partial evidence
- Its own public description names part of sign language video interpretation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sign language video interpretation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,050 sign language video interpretation companies worldwide
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Sign language video interpretation companies worldwide at a glance
As of Sep 29, 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 sign language video interpretation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for sign language video interpretation companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “sign language video interpretation companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names sign language video interpretation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among sign language video interpretation companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 5,241 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 29, 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.
Sign language video interpretation companies by location
4 lists · largest firstEvery Sign language video interpretation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names sign language video interpretation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many sign language video interpretation companies are there worldwide?
RevenueBase identified 1,050 sign language video interpretation companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Languageline Solutions, headquartered in Monterey, tops this list with the largest team on record.
Which country has the most sign language video interpretation companies?
The United States leads with 414 companies, followed by the United Kingdom (75) and Brazil (71). Every sign language video interpretation companies list by country and city is linked on this page.
Which city has the most sign language video interpretation companies?
London leads with 20 headquartered companies, followed by Sao Paulo (19) and Austin (14).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,241 verified decision-maker contacts tracked across these 1,050 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 29, 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.