Company lists · Data refreshed September 2026

Top 25 Linguistic consulting firms worldwide

Name: Linguistic consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 6,407 companies tracked

RevenueBase identified 6,407 linguistic consulting firms worldwide as of September 2026 and tracks 87,998 professional contacts across them, including 10,341 with verified work emails. The United States is the largest market and London the largest hub.

This list covers linguistic consulting firms 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 28, 2026. Country and city lists for linguistic consulting firms 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

6,407Companies

87,998Contacts tracked

10,341Verified emails

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The 25 largest linguistic consulting firms worldwide

Ranked by team size

Top 25 of 6,407 linguistic consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to linguistic consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Languageline Solutions	Indirect evidence	Monterey, CA, United StatesHQ checked Sep 28, 2026	10001+	6,440 contacts →
	Indirect evidence “LanguageLine Solutions is the world’s leading language solutions company.” Source: RevenueBase Database · checked Sep 28, 2026
2	Berlitz Corporation	Indirect evidence	Princeton, NJ, United StatesHQ checked Sep 28, 2026	5,001-10,000	3,273 contacts →
	Indirect evidence “Berlitz Corporation is a world-leading language and cultural training provider with over 140 years of experience.” Source: RevenueBase Database · checked Sep 28, 2026
3	Language Services Associates	Indirect evidence	Horsham, PA, United StatesHQ checked Sep 28, 2026	n/a	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 28, 2026
4	Lionbridge Technologies	Indirect evidence	Waltham, United StatesHQ checked Sep 28, 2026	5,001-10,000	1,141 contacts →
	Indirect evidence “Lionbridge es el proveedor líder mundial de servicios de traducción y localización.” Source: RevenueBase Database · checked Sep 28, 2026
5	Thebigword	Indirect evidence	Miami, FL, United KingdomHQ checked Sep 28, 2026	501-1,000	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 28, 2026
6	Global Lt, INC	Indirect evidence	Troy, MI, United StatesHQ checked Sep 28, 2026	n/a	915 contacts →
	Indirect evidence “Global LT has been a leading expert in Language Solutions and Expatriate Services since 1979.” Source: RevenueBase Database · checked Sep 28, 2026
7	Ccjk Technologies	Indirect evidence	Shen Zhen, ChinaHQ checked Sep 28, 2026	501-1,000	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 28, 2026
8	Seprotec Multilingual Solutions	Indirect evidence	Las Rozas, SpainHQ checked Sep 28, 2026	201-500	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 28, 2026
9	Multilingual Interpreters And Translators	Indirect evidence	Winter Haven, United StatesHQ checked Sep 28, 2026	n/a	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 28, 2026
10	BIG Language Solutions	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	501-1,000	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 28, 2026
11	Argos Multilingual	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	201-500	600 contacts →
	Indirect evidence “Argos Multilingual provides global language and data solutions.” Source: RevenueBase Database · checked Sep 28, 2026
12	Lilt AI	Indirect evidence	San Francisco, United StatesHQ checked Sep 28, 2026	201-500	562 contacts →
	Indirect evidence “Make anything multilingual.” Source: RevenueBase Database · checked Sep 28, 2026
13	Toppan Digital Language	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	201-500	554 contacts →
	Indirect evidence “Hello, we’re Toppan Digital Language.” Source: RevenueBase Database · checked Sep 28, 2026
14	Production SA	Indirect evidence	La Hulpe, BelgiumHQ checked Sep 28, 2026	n/a	553 contacts →
	Indirect evidence “Multilingual Services & Language Asset Management Solutions Production caters high standard multilingual services to a large number of smaller and larger companies in a wide array…” Source: RevenueBase Database · checked Sep 28, 2026
15	Semantix	Indirect evidence	Stockholm, SwedenHQ checked Sep 28, 2026	201-500	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 28, 2026
16	Masterword	Indirect evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	51-200	487 contacts →
	Indirect evidence “How can we help you?” Source: RevenueBase Database · checked Sep 28, 2026
17	CQ Fluency	Indirect evidence	Hackensack, NJ, United StatesHQ checked Sep 28, 2026	201-500	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 28, 2026
18	Oncall	Indirect evidence	South Melbourne, AustraliaHQ checked Sep 28, 2026	1,001-5,000	449 contacts →
	Indirect evidence “Oncall is a world leader in quality interpreting and translation services.” Source: RevenueBase Database · checked Sep 28, 2026
19	Metlang	Indirect evidence	Dania, FL, United StatesHQ checked Sep 28, 2026	501-1,000	438 contacts →
	Indirect 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 28, 2026
20	Mars Translation Services	Indirect evidence	Shenzhen City, ChinaHQ checked Sep 28, 2026	501-1,000	422 contacts →
	Indirect evidence “Mars Translation is an ISO-certified translation service provider that boasts a global network of native translators proficient in over 230 languages and 25+ industries.” Source: RevenueBase Database · checked Sep 28, 2026
21	Hanna Interpreting Services LLC	Indirect evidence	Spring Valley, CA, United StatesHQ checked Sep 28, 2026	51-200	413 contacts →
	Indirect evidence “Hanna Interpreting is an award-winning, woman and minority-owned small business providing interpretation, translation, and transcription services nationwide.” Source: RevenueBase Database · checked Sep 28, 2026
22	Language Link	Indirect evidence	Vancouver, WA, United StatesHQ checked Sep 28, 2026	51-200	363 contacts →
	Indirect evidence “Language Link and BIG Language Solutions is how even the most complex, highly regulated organizations can finally trust every word.” Source: RevenueBase Database · checked Sep 28, 2026
23	Andovar	Indirect evidence	SingaporeHQ checked Sep 28, 2026	51-200	356 contacts →
	Indirect evidence “Andovar is your gateway to global success, offering a comprehensive suite of custom language data services and localization solutions.” Source: RevenueBase Database · checked Sep 28, 2026
24	Word360	Indirect evidence	Birmingham, United KingdomHQ checked Sep 28, 2026	201-500	342 contacts →
	Indirect evidence “Word360 are an industry leading language agency that delivers reliable, 24 hour interpretation and translation to global organisations and industry.” Source: RevenueBase Database · checked Sep 28, 2026
25	Ubiqus	Indirect evidence	Paris La Défense, United StatesHQ checked Sep 28, 2026	501-1,000	339 contacts →
	Indirect evidence “Ubiqus language services expand under the Acolad brand.” Source: RevenueBase Database · checked Sep 28, 2026

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: linguistic consulting firms. 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 linguistic consulting firms.
Partial evidence: Its own public description names part of linguistic consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name linguistic consulting firms. 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 6,407 linguistic consulting firms worldwide

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Linguistic consulting firms worldwide at a glance

As of Sep 28, 2026

11.8%Verified-email coverage

13.7Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,767

11-50

1,829

51-200

537

201-500

146

501-1,000

1,001-5,000

5,001-10,000

10001+

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 linguistic consulting firms, 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 linguistic consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “linguistic consulting firms”. 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 linguistic consulting firms), 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 linguistic consulting firms, 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, 10,341 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 28, 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.

Linguistic consulting firms by location

37 lists · largest first

Every Linguistic consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 linguistic consulting firms, 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 linguistic consulting firms are there worldwide?

RevenueBase identified 6,407 linguistic consulting firms 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 linguistic consulting firms?

The United States leads with 963 companies, followed by the United Kingdom (411) and Spain (315). Every linguistic consulting firms list by country and city is linked on this page.

Which city has the most linguistic consulting firms?

London leads with 163 headquartered companies, followed by Sao Paulo (93) and Madrid (81).

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 10,341 verified decision-maker contacts tracked across these 6,407 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 28, 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.