Company lists · Data refreshed September 2026
Top 25 Over the phone interpretation companies worldwide
RevenueBase identified 5,990 over the phone interpretation companies worldwide as of September 2026 and tracks 95,753 professional contacts across them, including 9,095 with verified work emails. The United States is the largest market and London the largest hub.
This list covers over the phone 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 over the phone 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 over the phone interpretation companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,440 contacts → | ||||
Indirect 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 → | ||||
Indirect evidence “Language Access, Driven by Innovation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,503 contacts → | ||||
Indirect 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. | |||||
| 4 | 1,737 contacts → | ||||
Indirect evidence “Established in 1991, LSA’s mission is to help people and companies survive and thrive in a global environment.” 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 | 1,105 contacts → | ||||
Indirect evidence “As one of the largest language service providers globally, we utilise the greatest minds and boundary shattering technology to deliver phenomenal quality at scale to both our…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 896 contacts → | ||||
Indirect evidence “CCJK (Brand of MarsHub) is a globally known, ISO-certified language services provider that has become the industry leader after years of high-quality services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 866 contacts → | ||||
Indirect evidence “At Seprotec Multilingual Solutions we help thousands of companies around the world to improve their sales by delivering content and facilitating communications in their customer’s…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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. | |||||
| 11 | 833 contacts → | ||||
Indirect 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. | |||||
| 12 | 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. | |||||
| 13 | 617 contacts → | ||||
Indirect evidence “Multilingual Interpreters and Translators, a language service and business solutions Company based in Winter Haven, Florida.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 604 contacts → | ||||
Indirect evidence “BIG Language Solutions is how even the most complex, highly regulated organizations can finally trust every word.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 557 contacts → | ||||
Indirect evidence “Jeenie is on a mission to end language barriers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 550 contacts → | ||||
Indirect evidence “At Bilingual, we are your gateway to seamless global communication.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 531 contacts → | ||||
Indirect evidence “Semantix is the Nordic region’s leading communication partner for multilingual services, working with a worldwide network of thousands of language specialists.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 506 contacts → | ||||
Indirect evidence “SPRÅKSERVICE is Sweden's leading agency for interpreting and translation services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 501 contacts → | ||||
Indirect evidence “We are a U.S.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 487 contacts → | ||||
Indirect evidence “How can we help you?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 475 contacts → | ||||
Indirect 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. | |||||
| 22 | 464 contacts → | ||||
Indirect evidence “CQ fluency offers a full suite of tech-enabled, culturally relevant translation solutions in 300+ languages.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 449 contacts → | ||||
Indirect evidence “Oncall is a world leader in quality interpreting and translation services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 438 contacts → | ||||
Partial evidence “Metlang is an established, veteran-owned provider of translation, interpretation and analytical services to government agencies and corporations nationwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 437 contacts → | ||||
Partial evidence “MCIS Language Solutions is a not-for-profit social enterprise that offers the highest quality, most responsive and cost effective 24/7 solutions in over 350 languages.” 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: over the phone 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 over the phone interpretation companies.
- Partial evidence
- Its own public description names part of over the phone interpretation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name over the phone 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 5,990 over the phone interpretation companies worldwide
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Over the phone 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 over the phone 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 over the phone interpretation companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “over the phone 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 over the phone 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 over the phone 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, 9,095 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.
Over the phone interpretation companies by location
35 lists · largest firstEvery Over the phone interpretation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Over the phone interpretation companies based in the United States1,333
- Over the phone interpretation companies based in the United Kingdom398
- Over the phone interpretation companies based in Spain262
- Over the phone interpretation companies based in Germany207
- Over the phone interpretation companies based in India201
- Over the phone interpretation companies based in France194
- Over the phone interpretation companies based in Brazil185
- Over the phone interpretation companies based in Italy172
- Over the phone interpretation companies based in Canada127
- Over the phone interpretation companies based in Argentina117
- Over the phone interpretation companies based in Mexico98
- Over the phone interpretation companies based in Türkiye98
- Over the phone interpretation companies based in the United Arab Emirates80
- Over the phone interpretation companies based in Egypt76
- Over the phone interpretation companies based in the Netherlands60
- Over the phone interpretation companies based in Poland50
- Over the phone interpretation companies based in Portugal47
- Over the phone interpretation companies based in Australia44
- Over the phone interpretation companies based in Belgium42
- Over the phone interpretation companies based in Romania42
- Over the phone interpretation companies based in Denmark38
- Over the phone interpretation companies based in Japan37
- Over the phone interpretation companies based in Switzerland32
- Over the phone interpretation companies based in Finland30
- Over the phone interpretation companies based in Sweden26
- Over the phone interpretation companies based in Vietnam26
Cities
- Over the phone interpretation companies based in London, United Kingdom137
- Over the phone interpretation companies based in Madrid, Spain79
- Over the phone interpretation companies based in New York, United States78
- Over the phone interpretation companies based in Sao Paulo, Brazil78
- Over the phone interpretation companies based in Paris, France55
- Over the phone interpretation companies based in Miami, United States40
- Over the phone interpretation companies based in Barcelona, Spain39
- Over the phone interpretation companies based in Houston, United States32
- Over the phone interpretation companies based in Atlanta, United States26
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 over the phone 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 over the phone interpretation companies are there worldwide?
RevenueBase identified 5,990 over the phone 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 over the phone interpretation companies?
The United States leads with 1,333 companies, followed by the United Kingdom (398) and Spain (262). Every over the phone interpretation companies list by country and city is linked on this page.
Which city has the most over the phone interpretation companies?
London leads with 139 headquartered companies, followed by Madrid (79) and New York (78).
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 9,095 verified decision-maker contacts tracked across these 5,990 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.