Company lists · Data refreshed September 2026

Top 25 Certified translation providers worldwide

Name: Certified translation providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 12,651 companies tracked

RevenueBase identified 12,651 company matches for certified translation providers worldwide as of September 2026 and tracks 127,092 professional contacts across them, including 14,225 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for certified translation providers 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 September 19, 2026. Country and city lists for certified translation providers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built

12,651Companies

127,092Contacts tracked

14,225Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest certified translation providers worldwide

Ranked by team size

Top 25 of 12,651 company matches for certified translation providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Lionbridge	Exact match	Waltham, MA, United StatesHQ recorded Sep 19, 2026	5,001-10,000	8,706 contacts →
	Exact match “Lionbridge partners with brands to break barriers and build bridges all over the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Languageline Solutions	Exact match	Monterey, CA, United StatesHQ recorded Sep 19, 2026	10001+	6,440 contacts →
	Exact match “LanguageLine Solutions is the world’s leading language solutions company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Propio Language Services	Exact match	Overland Park, KS, United StatesHQ recorded Sep 19, 2026	n/a	5,096 contacts →
	Exact match “Language Access, Driven by Innovation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Language Services Associates	Exact match	Horsham, PA, United StatesHQ recorded Sep 19, 2026	n/a	1,737 contacts →
	Exact match “Established in 1991, LSA’s mission is to help people and companies survive and thrive in a global environment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Thebigword	Exact match	Miami, FL, United KingdomHQ recorded Sep 19, 2026	501-1,000	1,105 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Ccjk Technologies	Exact match	Shen Zhen, ChinaHQ recorded Sep 19, 2026	501-1,000	896 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Seprotec Multilingual Solutions	Exact match	Las Rozas, SpainHQ recorded Sep 19, 2026	201-500	866 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Multilingual Interpreters And Translators	Exact match	Winter Haven, United StatesHQ recorded Sep 19, 2026	n/a	617 contacts →
	Exact match “Multilingual Interpreters and Translators, a language service and business solutions Company based in Winter Haven, Florida.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	BIG Language Solutions	Exact match	Atlanta, GA, United StatesHQ recorded Sep 19, 2026	501-1,000	604 contacts →
	Exact match “BIG Language Solutions is how even the most complex, highly regulated organizations can finally trust every word.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Toppan Digital Language	Exact match	London, United KingdomHQ recorded Sep 19, 2026	201-500	554 contacts →
	Exact match “Hello, we’re Toppan Digital Language.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	ALPHA	Exact match	Cambridge, GermanyHQ recorded Sep 19, 2026	201-500	526 contacts →
	Exact match “Localize more with Alpha.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Språkservice Sverige AB	Exact match	Malmö, SwedenHQ recorded Sep 19, 2026	51-200	506 contacts →
	Exact match “SPRÅKSERVICE is Sweden's leading agency for interpreting and translation services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Masterword	Exact match	Houston, TX, United StatesHQ recorded Sep 19, 2026	51-200	487 contacts →
	Exact match “How can we help you?” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	CQ Fluency	Exact match	Hackensack, NJ, United StatesHQ recorded Sep 19, 2026	201-500	464 contacts →
	Exact match “CQ fluency offers a full suite of tech-enabled, culturally relevant translation solutions in 300+ languages.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Oncall	Exact match	South Melbourne, AustraliaHQ recorded Sep 19, 2026	1,001-5,000	449 contacts →
	Exact match “Oncall is a world leader in quality interpreting and translation services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Mars Translation Services	Exact match	Shenzhen City, ChinaHQ recorded Sep 19, 2026	501-1,000	422 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Hanna Interpreting Services LLC	Exact match	Spring Valley, CA, United StatesHQ recorded Sep 19, 2026	51-200	413 contacts →
	Exact match “Hanna Interpreting is an award-winning, woman and minority-owned small business providing interpretation, translation, and transcription services nationwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	CBG	Exact match	Sundbyberg, SwedenHQ recorded Sep 19, 2026	51-200	402 contacts →
	Exact match “CBG provides end-to-end language solutions and intelligent translation technology.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Language Link	Exact match	Vancouver, WA, United StatesHQ recorded Sep 19, 2026	51-200	363 contacts →
	Exact match “Language Link and BIG Language Solutions is how even the most complex, highly regulated organizations can finally trust every word.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Tolkenett AS	Exact match	Oslo, NorwayHQ recorded Sep 19, 2026	n/a	344 contacts →
	Exact match “TolkeNett har 15 års erfaring innen tolke- og oversettingstjenester.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Word360	Exact match	Birmingham, United KingdomHQ recorded Sep 19, 2026	201-500	342 contacts →
	Exact match “Word360 are an industry leading language agency that delivers reliable, 24 hour interpretation and translation to global organisations and industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Ubiqus	Exact match	Paris La Défense, United StatesHQ recorded Sep 19, 2026	501-1,000	339 contacts →
	Exact match “Ubiqus language services expand under the Acolad brand.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	PTSGI	Exact match	Taipei, TaiwanHQ recorded Sep 19, 2026	201-500	334 contacts →
	Exact match “We are the largest multinational language service provider in Asia, with operations spanning the globe.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Akorbi	Exact match	Plano, TX, United StatesHQ recorded Sep 19, 2026	501-1,000	330 contacts →
	Exact match “Akorbi has been acquired by Propio Language Services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Interpreters And Translators, INC	Exact match	Glastonbury, CT, United StatesHQ recorded Sep 19, 2026	n/a	307 contacts →
	Exact match “Translation Services * Interpreter Services * Medical Interpreter Training * Language Services Interpreters and Translators, Inc.(iTi) is a well-respected and award-winning…” Recorded in the RevenueBase company graph · Sep 19, 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 “certified translation providers”. 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 12,651 certified translation providers worldwide

See the full list, filter by size, metro and specialty, and access 14,225 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Certified translation providers worldwide at a glance

As of Sep 19, 2026

11.2%Verified-email coverage

10.0Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

8,244

11-50

3,088

51-200

868

201-500

232

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

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 certified translation providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “certified translation providers” 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 14,225 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 September 19, 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.

Certified translation providers by location

50 lists · largest first

Every Certified translation providers 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 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 “certified translation providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many certified translation providers are there worldwide?

RevenueBase identified 12,651 company matches for certified translation providers worldwide as of September 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?

Lionbridge tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most certified translation providers?

The United States leads with 1,494 companies, followed by the United Kingdom (734) and Spain (647). Every certified translation providers list by country and city is linked on this page.

Which city has the most certified translation providers?

London leads with 266 company records, followed by Sao Paulo (189) and Madrid (141).

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 14,225 professional contacts with verified work emails tracked across these 12,651 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 September 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 12,651 certified translation providers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.