Company lists · Data refreshed September 2026

Top 25 Localization companies worldwide

Name: Localization companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 15,177 companies tracked

RevenueBase identified 15,177 company matches for localization companies worldwide as of September 2026 and tracks 212,330 professional contacts across them, including 33,520 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for localization companies 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 20, 2026. Country and city lists for localization companies 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 20, 2026 How this list was built

15,177Companies

212,330Contacts tracked

33,520Verified emails

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The 25 largest localization companies worldwide

Ranked by team size

Top 25 of 15,177 company matches for localization companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Transperfect	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	5,001-10,000	10,750 contacts →
	Exact match “TransPerfect helps organizations streamline global operations through language and AI solutions, advanced automation, and enterprise-grade technology integrations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Lionbridge	Exact match	Waltham, MA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
3	Languageline Solutions	Exact match	Monterey, CA, United StatesHQ recorded Sep 20, 2026	10001+	6,440 contacts →
	Exact match “LanguageLine Solutions is the world’s leading language solutions company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Keywords Studios	Exact match	Dublin, GermanyHQ recorded Sep 20, 2026	10001+	5,340 contacts →
	Exact match “We work behind the scenes with game developers, publishers, and entertainment companies to bring their ideas to life and keep them running smoothly.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Propio Language Services	Exact match	Overland Park, KS, United StatesHQ recorded Sep 20, 2026	n/a	5,096 contacts →
	Exact match “Language Access, Driven by Innovation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Welocalize	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	1,001-5,000	4,873 contacts →
	Exact match “Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	IYUNO	Exact match	Burbank, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	2,592 contacts →
	Exact match “Iyuno (iyuno.com) is the global media and entertainment industry’s leading localization service provider.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	SDL	Exact match	Maidenhead, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	2,391 contacts →
	Exact match “SDL is the intelligent language and content company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Language Services Associates	Exact match	Horsham, PA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
10	Globalstep	Exact match	Dallas, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,580 contacts →
	Exact match “GlobalStep provides creative and technical outsourced solutions to the video games industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Acolad Group	Exact match	Boulogne-billancourt, FranceHQ recorded Sep 20, 2026	1,001-5,000	1,283 contacts →
	Exact match “Acolad is a global leader in content and language solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Translated	Exact match	Rome, ItalyHQ recorded Sep 20, 2026	201-500	1,231 contacts →
	Exact match “We have been offering human translation services for the past 25 years to hundreds of thousands of clients across over 200 languages and 40 areas of expertise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	SIDE	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	1,208 contacts →
	Exact match “Side (formerly PTW) is a global video game development and services partner, offering technical and creative solutions to many of the largest developers and publishers around the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Thebigword	Exact match	Miami, FL, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
15	Global Lt, INC	Exact match	Troy, MI, United StatesHQ recorded Sep 20, 2026	n/a	915 contacts →
	Exact match “Global LT has been a leading expert in Language Solutions and Expatriate Services since 1979.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Ccjk Technologies	Exact match	Shen Zhen, ChinaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
17	Seprotec Multilingual Solutions	Exact match	Las Rozas, SpainHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
18	VSI Voice & Script International	Exact match	London, United KingdomHQ recorded Sep 20, 2026	501-1,000	727 contacts →
	Exact match “Founded in 1989, VSI - Voice & Script International - has over 36 years of unrivalled expertise and success in all aspects of language versioning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Vistatec	Exact match	Dublin, IrelandHQ recorded Sep 20, 2026	10001+	663 contacts →
	Exact match “We have been helping some of the world’s most iconic brands to optimize their global commercial potential since 1997.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Productive Playhouse	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 20, 2026	201-500	654 contacts →
	Exact match “Productive Playhouse is the execution partner technical program managers trust when scale, compliance, and quality can’t slip.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Multilingual Interpreters And Translators	Exact match	Winter Haven, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
22	BIG Language Solutions	Exact match	Atlanta, GA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
23	Argos Multilingual	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	201-500	600 contacts →
	Exact match “Argos Multilingual provides global language and data solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Dubbing Brothers	Exact match	La Plaine Saint Denis, FranceHQ recorded Sep 20, 2026	51-200	571 contacts →
	Exact match “Crée en 1989, le groupe Dubbing Brothers est aujourd’hui leader sur le marché du doublage.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Lilt AI	Exact match	San Francisco, United StatesHQ recorded Sep 20, 2026	201-500	562 contacts →
	Exact match “Make anything multilingual.” Recorded in the RevenueBase company graph · Sep 20, 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 “localization companies”. 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 15,177 localization companies worldwide

See the full list, filter by size, metro and specialty, and access 33,520 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Localization companies worldwide at a glance

As of Sep 20, 2026

15.8%Verified-email coverage

14.0Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

9,488

11-50

3,897

51-200

1,198

201-500

322

501-1,000

106

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 localization companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “localization companies” 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 33,520 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 20, 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.

Localization companies by location

70 lists · largest first

Every Localization companies 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 “localization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many localization companies are there worldwide?

RevenueBase identified 15,177 company matches for localization companies 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?

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

Which country has the most localization companies?

The United States leads with 1,828 companies, followed by the United Kingdom (904) and Spain (758). Every localization companies list by country and city is linked on this page.

Which city has the most localization companies?

London leads with 362 company records, followed by Sao Paulo (233) and Madrid (176).

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 33,520 professional contacts with verified work emails tracked across these 15,177 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 20, 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 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.