Company lists · Data refreshed November 2026
Top 25 Sign language interpreter services worldwide
RevenueBase identified 1,338 company matches for sign language interpreter services worldwide as of November 2026 and tracks 40,195 professional contacts across them, including 5,352 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for sign language interpreter 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 November 5, 2026. Country and city lists for sign language interpreter 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 sign language interpreter services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,855 contacts → | ||||
Exact match “LanguageLine Solutions is the world’s leading language solutions company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 5,848 contacts → | ||||
Exact match “Language Access, Driven by Innovation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 2,960 contacts → | ||||
Exact match “Sorenson is a global language services providers, combining assistive technology with human-centric accessibility solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 1,230 contacts → | ||||
Exact match “The world is a better, fairer place when everyone is understood.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 946 contacts → | ||||
Exact match “At Interpretia, we help people understand one another through professional remote interpretation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 759 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 619 contacts → | ||||
Exact match “We provide on-demand interpreting services via phone and video.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 606 contacts → | ||||
Exact match “Communication Service for the Deaf, Inc.(CSD) is a private, nonprofit organization dedicated to creating and providing technologies and services that benefit the deaf and hard of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 556 contacts → | ||||
Exact match “Jeenie is on a mission to end language barriers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 483 contacts → | ||||
Exact match “How can we help you?” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 455 contacts → | ||||
Exact match “Welcome to Ad Astra, a leading global communication solutions and language services brand.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 375 contacts → | ||||
Exact match “Language Empire was established in 2001.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 291 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 288 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 279 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 263 contacts → | ||||
Exact match “Liberty Language Services is a small, woman- and minority-owned language services agency headquartered in Tysons Corner, Virginia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 242 contacts → | ||||
Exact match “For over 25 years, The Language Group (TLG) has helped organizations communicate clearly, confidently, and securely across languages and cultures.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 225 contacts → | ||||
Exact match “About us WorldWide Language Resources is a leading international organization that has provided elite operational combat interpreters and translators to support US, Allied and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 213 contacts → | ||||
Exact match “Linguava is a full-service provider of spoken and signed languages specializing in Over the Phone Interpretation, Video Remote Interpretation (VRI), Scheduled Video Interpretation…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 187 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 162 contacts → | ||||
Exact match “Interpreters Unlimited (IU) provides solutions wherever language creates a barrier to effective communication.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 153 contacts → | ||||
Exact match “TIN is a translation and interpreting company that exists to promote communication between and among individuals who speak, write and read different languages.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 146 contacts → | ||||
Exact match “Interprefy is the world's leading provider of human and AI-powered solutions and services for multilingual events and meetings.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 140 contacts → | ||||
Exact match “The Language Shop is one of the UK's leading providers of interpreting, translation and examination services to the private and public sector.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 137 contacts → | ||||
Exact match “Aira (pronounced eye ruh) was founded in 2015 to uniquely address the needs of people who are blind or have low vision by providing access to visual information thereby providing…” Recorded in the RevenueBase company graph · Nov 5, 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 “sign language interpreter 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 1,338 sign language interpreter services worldwide
See the full list, filter by size, metro and specialty, and access 5,352 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sign language interpreter services worldwide at a glance
As of Nov 5, 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 sign language interpreter services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “sign language interpreter 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 5,352 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 5, 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.
Sign language interpreter services by location
7 lists · largest firstEvery Sign language interpreter services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Sign language interpreter services based in the United States553
- Sign language interpreter services based in the United Kingdom108
- Sign language interpreter services based in Brazil78
- Sign language interpreter services based in France44
- Sign language interpreter services based in Germany43
- Sign language interpreter services based in Canada37
Cities
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 “sign language interpreter services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sign language interpreter services are there worldwide?
RevenueBase identified 1,338 company matches for sign language interpreter services 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?
Languageline Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most sign language interpreter services?
The United States leads with 553 companies, followed by the United Kingdom (108) and Brazil (78). Every sign language interpreter services list by country and city is linked on this page.
Which city has the most sign language interpreter services?
London leads with 27 company records, followed by Sao Paulo (22) and Austin (16).
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 5,352 professional contacts with verified work emails tracked across these 1,338 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,338 sign language interpreter 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 sign language interpreter 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 1,338 matching company records for sign language interpreter services worldwide, with 40,195 tracked contacts and 5,352 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 5, 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 sign language interpreter 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 |  Languageline Solutionslanguageline.comHQ: Monterey, CA, United StatesReported employees: 10001+ | Monterey, CA, United States | 10001+ | Exact match | 6,855 contacts → |
“LanguageLine Solutions is the world’s leading language solutions company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Propio Language Servicespropio.comHQ: Overland Park, KS, United StatesReported employees: Not recorded | Overland Park, KS, United States | Not recorded | Exact match | 5,848 contacts → |
“Language Access, Driven by Innovation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sorenson Communicationssorenson.comHQ: Salt Lake City, UT, United StatesReported employees: 10001+ | Salt Lake City, UT, United States | 10001+ | Exact match | 2,960 contacts → |
“Sorenson is a global language services providers, combining assistive technology with human-centric accessibility solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  DALSdals.co.ukHQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 1,230 contacts → |
“The world is a better, fairer place when everyone is understood.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Interpretiainterpretia.comHQ: Miraflores, PeruReported employees: 1,001-5,000 | Miraflores, Peru | 1,001-5,000 | Exact match | 946 contacts → |
“At Interpretia, we help people understand one another through professional remote interpretation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  VOYCEmartti.ioHQ: Sunrise, FL, United StatesReported employees: Not recorded | Sunrise, FL, United States | Not recorded | Exact match | 759 contacts → |
“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.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Certified Languages Internationalcertifiedlanguages.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 619 contacts → |
“We provide on-demand interpreting services via phone and video.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 606 contacts → |
“Communication Service for the Deaf, Inc.(CSD) is a private, nonprofit organization dedicated to creating and providing technologies and services that benefit the deaf and hard of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Jeeniejeenie.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 556 contacts → |
“Jeenie is on a mission to end language barriers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Masterwordmasterword.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 483 contacts → |
“How can we help you?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  AD Astra, INCad-astrainc.comHQ: Silver Spring, MD, United StatesReported employees: 201-500 | Silver Spring, MD, United States | 201-500 | Exact match | 455 contacts → |
“Welcome to Ad Astra, a leading global communication solutions and language services brand.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Language Empirelanguage-empire.comHQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 375 contacts → |
“Language Empire was established in 2001.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ZVRSzpbettertogether.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 291 contacts → |
“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…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Fluent Language Solutions, INCfluentls.comHQ: Charlotte, NC, United StatesReported employees: Not recorded | Charlotte, NC, United States | Not recorded | Exact match | 288 contacts → |
“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…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 279 contacts → |
“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.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Liberty Language Serviceslibertylanguageservices.comHQ: Vienna, VA, United StatesReported employees: Not recorded | Vienna, VA, United States | Not recorded | Exact match | 263 contacts → |
“Liberty Language Services is a small, woman- and minority-owned language services agency headquartered in Tysons Corner, Virginia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  The Language Group, LLCthelanguagegroup.comHQ: Virginia Beach, VA, United StatesReported employees: Not recorded | Virginia Beach, VA, United States | Not recorded | Exact match | 242 contacts → |
“For over 25 years, The Language Group (TLG) has helped organizations communicate clearly, confidently, and securely across languages and cultures.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Fayetteville, NC, United StatesReported employees: 501-1,000 | Fayetteville, NC, United States | 501-1,000 | Exact match | 225 contacts → |
“About us WorldWide Language Resources is a leading international organization that has provided elite operational combat interpreters and translators to support US, Allied and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Linguavalinguava.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 213 contacts → |
“Linguava is a full-service provider of spoken and signed languages specializing in Over the Phone Interpretation, Video Remote Interpretation (VRI), Scheduled Video Interpretation…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Translittranslit.comHQ: Limerick, IrelandReported employees: Not recorded | Limerick, Ireland | Not recorded | Exact match | 187 contacts → |
“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…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Interpreters Unlimited, INCinterpreters.comHQ: San Diego, FL, United StatesReported employees: Not recorded | San Diego, FL, United States | Not recorded | Exact match | 162 contacts → |
“Interpreters Unlimited (IU) provides solutions wherever language creates a barrier to effective communication.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Translation & Interpretation Networktintranslation.comHQ: Fort Worth, TX, United StatesReported employees: Not recorded | Fort Worth, TX, United States | Not recorded | Exact match | 153 contacts → |
“TIN is a translation and interpreting company that exists to promote communication between and among individuals who speak, write and read different languages.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Interprefyinterprefy.comHQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 146 contacts → |
“Interprefy is the world's leading provider of human and AI-powered solutions and services for multilingual events and meetings.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  The Language Shop LTDlanguageshop.orgHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 140 contacts → |
“The Language Shop is one of the UK's leading providers of interpreting, translation and examination services to the private and public sector.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  AIRAaira.ioHQ: La Jolla, CA, United StatesReported employees: 11-50 | La Jolla, CA, United States | 11-50 | Exact match | 137 contacts → |
“Aira (pronounced eye ruh) was founded in 2015 to uniquely address the needs of people who are blind or have low vision by providing access to visual information thereby providing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,338 company matches
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Sign language interpreter services: dataset insights
November 5, 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
1,324 records in the displayed employee bands.
14 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 1,338 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 5, 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 ↗
Sign language interpreter services by location
7 lists · largest firstEvery Sign language interpreter services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Sign language interpreter services based in the United States553
- Sign language interpreter services based in the United Kingdom108
- Sign language interpreter services based in Brazil78
- Sign language interpreter services based in France44
- Sign language interpreter services based in Germany43
- Sign language interpreter services based in Canada37
Cities
Questions about this company list
What does Exact match mean for sign language interpreter 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 sign language interpreter services did RevenueBase find worldwide?
The saved snapshot records 1,338 matching company records, 40,195 tracked contacts and 5,352 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 5, 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 sign language interpreter services worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/sign-language-interpreter-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 sign language interpreter services worldwide
RevenueBase records 1,338 matching company records for sign language interpreter services worldwide, with 40,195 tracked contacts and 5,352 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 5, 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 sign language interpreter 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 | Languageline Solutionslanguageline.com HQ: Monterey, CA, United StatesReported employees: 10001+ | Monterey, CA, United States | 10001+ | Exact match | 6,855 contacts → |
“LanguageLine Solutions is the world’s leading language solutions company.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Propio Language Servicespropio.com HQ: Overland Park, KS, United StatesReported employees: Not recorded | Overland Park, KS, United States | Not recorded | Exact match | 5,848 contacts → |
“Language Access, Driven by Innovation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sorenson Communicationssorenson.com HQ: Salt Lake City, UT, United StatesReported employees: 10001+ | Salt Lake City, UT, United States | 10001+ | Exact match | 2,960 contacts → |
“Sorenson is a global language services providers, combining assistive technology with human-centric accessibility solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | DALSdals.co.uk HQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 1,230 contacts → |
“The world is a better, fairer place when everyone is understood.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Interpretiainterpretia.com HQ: Miraflores, PeruReported employees: 1,001-5,000 | Miraflores, Peru | 1,001-5,000 | Exact match | 946 contacts → |
“At Interpretia, we help people understand one another through professional remote interpretation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | VOYCEmartti.io HQ: Sunrise, FL, United StatesReported employees: Not recorded | Sunrise, FL, United States | Not recorded | Exact match | 759 contacts → |
“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.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Certified Languages Internationalcertifiedlanguages.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 619 contacts → |
“We provide on-demand interpreting services via phone and video.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 606 contacts → |
“Communication Service for the Deaf, Inc.(CSD) is a private, nonprofit organization dedicated to creating and providing technologies and services that benefit the deaf and hard of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Jeeniejeenie.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 556 contacts → |
“Jeenie is on a mission to end language barriers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Masterwordmasterword.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 483 contacts → |
“How can we help you?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AD Astra, INCad-astrainc.com HQ: Silver Spring, MD, United StatesReported employees: 201-500 | Silver Spring, MD, United States | 201-500 | Exact match | 455 contacts → |
“Welcome to Ad Astra, a leading global communication solutions and language services brand.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Language Empirelanguage-empire.com HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 375 contacts → |
“Language Empire was established in 2001.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ZVRSzpbettertogether.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 291 contacts → |
“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…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fluent Language Solutions, INCfluentls.com HQ: Charlotte, NC, United StatesReported employees: Not recorded | Charlotte, NC, United States | Not recorded | Exact match | 288 contacts → |
“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…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 279 contacts → |
“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.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Liberty Language Serviceslibertylanguageservices.com HQ: Vienna, VA, United StatesReported employees: Not recorded | Vienna, VA, United States | Not recorded | Exact match | 263 contacts → |
“Liberty Language Services is a small, woman- and minority-owned language services agency headquartered in Tysons Corner, Virginia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | The Language Group, LLCthelanguagegroup.com HQ: Virginia Beach, VA, United StatesReported employees: Not recorded | Virginia Beach, VA, United States | Not recorded | Exact match | 242 contacts → |
“For over 25 years, The Language Group (TLG) has helped organizations communicate clearly, confidently, and securely across languages and cultures.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Fayetteville, NC, United StatesReported employees: 501-1,000 | Fayetteville, NC, United States | 501-1,000 | Exact match | 225 contacts → |
“About us WorldWide Language Resources is a leading international organization that has provided elite operational combat interpreters and translators to support US, Allied and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Linguavalinguava.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 213 contacts → |
“Linguava is a full-service provider of spoken and signed languages specializing in Over the Phone Interpretation, Video Remote Interpretation (VRI), Scheduled Video Interpretation…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Translittranslit.com HQ: Limerick, IrelandReported employees: Not recorded | Limerick, Ireland | Not recorded | Exact match | 187 contacts → |
“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…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Interpreters Unlimited, INCinterpreters.com HQ: San Diego, FL, United StatesReported employees: Not recorded | San Diego, FL, United States | Not recorded | Exact match | 162 contacts → |
“Interpreters Unlimited (IU) provides solutions wherever language creates a barrier to effective communication.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Translation & Interpretation Networktintranslation.com HQ: Fort Worth, TX, United StatesReported employees: Not recorded | Fort Worth, TX, United States | Not recorded | Exact match | 153 contacts → |
“TIN is a translation and interpreting company that exists to promote communication between and among individuals who speak, write and read different languages.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Interprefyinterprefy.com HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 146 contacts → |
“Interprefy is the world's leading provider of human and AI-powered solutions and services for multilingual events and meetings.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | The Language Shop LTDlanguageshop.org HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 140 contacts → |
“The Language Shop is one of the UK's leading providers of interpreting, translation and examination services to the private and public sector.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | AIRAaira.io HQ: La Jolla, CA, United StatesReported employees: 11-50 | La Jolla, CA, United States | 11-50 | Exact match | 137 contacts → |
“Aira (pronounced eye ruh) was founded in 2015 to uniquely address the needs of people who are blind or have low vision by providing access to visual information thereby providing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Sign language interpreter services: dataset insights
November 5, 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
1,324 records in the displayed employee bands.
14 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 1,338 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 5, 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 ↗
Sign language interpreter services by location
7 lists · largest firstEvery Sign language interpreter services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Sign language interpreter services based in the United States553
- Sign language interpreter services based in the United Kingdom108
- Sign language interpreter services based in Brazil78
- Sign language interpreter services based in France44
- Sign language interpreter services based in Germany43
- Sign language interpreter services based in Canada37
Cities
Questions about this company list
What does Exact match mean for sign language interpreter 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 sign language interpreter services did RevenueBase find worldwide?
The saved snapshot records 1,338 matching company records, 40,195 tracked contacts and 5,352 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 5, 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 sign language interpreter services worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/sign-language-interpreter-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗