Company lists · Data refreshed November 2026

Top 25 Api localization companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,518 companies tracked

RevenueBase identified 6,518 company matches for api localization companies worldwide as of November 2026 and tracks 126,403 professional contacts across them, including 20,560 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for api 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 November 6, 2026. Country and city lists for api 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 Nov 6, 2026 How this list was built

6,518Companies

126,403Contacts tracked

20,560Verified emails

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The 25 largest api localization companies worldwide

Ranked by team size

Top 25 of 6,518 company matches for api localization companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	11,258 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 · Nov 6, 2026 · View company records in RevenueBase
2	Lionbridge	Exact match	Waltham, MA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,103 contacts →
	Exact match “Lionbridge partners with brands to break barriers and build bridges all over the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Languageline Solutions	Exact match	Monterey, CA, United StatesHQ recorded Nov 6, 2026	10001+	6,855 contacts →
	Exact match “LanguageLine Solutions is the world’s leading language solutions company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Welocalize	Exact match	New York, OR, United StatesHQ recorded Nov 6, 2026	1,001-5,000	5,035 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 · Nov 6, 2026 · View company records in RevenueBase
5	SDL	Exact match	Maidenhead, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	2,444 contacts →
	Exact match “SDL is the intelligent language and content company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Language Services Associates	Exact match	Horsham, PA, United StatesHQ recorded Nov 6, 2026	n/a	1,720 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 · Nov 6, 2026 · View company records in RevenueBase
7	Acolad Group	Exact match	Boulogne-billancourt, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,322 contacts →
	Exact match “Acolad is a global leader in content and language solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Translated	Exact match	Rome, ItalyHQ recorded Nov 6, 2026	201-500	1,197 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 · Nov 6, 2026 · View company records in RevenueBase
9	Thebigword	Exact match	Miami, FL, United KingdomHQ recorded Nov 6, 2026	501-1,000	1,124 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 · Nov 6, 2026 · View company records in RevenueBase
10	Seprotec Multilingual Solutions	Exact match	Las Rozas, SpainHQ recorded Nov 6, 2026	201-500	903 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 · Nov 6, 2026 · View company records in RevenueBase
11	Ccjk Technologies	Exact match	Shen Zhen, ChinaHQ recorded Nov 6, 2026	501-1,000	888 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 · Nov 6, 2026 · View company records in RevenueBase
12	Vistatec	Exact match	Dublin, CA, IrelandHQ recorded Nov 6, 2026	10001+	681 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 · Nov 6, 2026 · View company records in RevenueBase
13	Multilingual Interpreters And Translators	Exact match	Winter Haven, United StatesHQ recorded Nov 6, 2026	n/a	618 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 · Nov 6, 2026 · View company records in RevenueBase
14	Lilt AI	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	201-500	602 contacts →
	Exact match “Make anything multilingual.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Argos Multilingual	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	201-500	597 contacts →
	Exact match “Argos Multilingual provides global language and data solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Production SA	Exact match	La Hulpe, BelgiumHQ recorded Nov 6, 2026	n/a	558 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Toppan Digital Language	Exact match	London, NY, United KingdomHQ recorded Nov 6, 2026	201-500	542 contacts →
	Exact match “Hello, we’re Toppan Digital Language.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	ALPHA	Exact match	Cambridge, United StatesHQ recorded Nov 6, 2026	201-500	538 contacts →
	Exact match “Localize more with Alpha.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	EC Innovations, INC	Exact match	Wilmington, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	501 contacts →
	Exact match “Unlock new worlds!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Språkservice Sverige AB	Exact match	Malmö, SwedenHQ recorded Nov 6, 2026	51-200	492 contacts →
	Exact match “SPRÅKSERVICE is Sweden's leading agency for interpreting and translation services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	GENGO	Exact match	Shibuya-ku, JapanHQ recorded Nov 6, 2026	51-200	488 contacts →
	Exact match “Gengo is a global provider of crowdsourced human translation at scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Masterword	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	51-200	483 contacts →
	Exact match “How can we help you?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Oncall	Exact match	South Melbourne, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	468 contacts →
	Exact match “Oncall is a world leader in quality interpreting and translation services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Languagewire	Exact match	Copenhagen, DenmarkHQ recorded Nov 6, 2026	201-500	439 contacts →
	Exact match “Founded in LanguageWire is your trusted partner for connecting with global audiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	CBG	Exact match	Sundbyberg, SwedenHQ recorded Nov 6, 2026	51-200	420 contacts →
	Exact match “CBG provides end-to-end language solutions and intelligent translation technology.” Recorded in the RevenueBase company graph · Nov 6, 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 “api 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 6,518 api localization companies worldwide

See the full list, filter by size, metro and specialty, and access 20,560 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api localization companies worldwide at a glance

As of Nov 6, 2026

16.3%Verified-email coverage

19.4Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,546

11-50

1,945

51-200

662

201-500

185

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 api localization companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “api 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 20,560 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 6, 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.

Api localization companies by location

55 lists · largest first

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

How many api localization companies are there worldwide?

RevenueBase identified 6,518 company matches for api localization companies 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?

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

Which country has the most api localization companies?

The United States leads with 827 companies, followed by the United Kingdom (414) and India (336). Every api localization companies list by country and city is linked on this page.

Which city has the most api localization companies?

London leads with 166 company records, followed by Madrid (75) and Cairo (74).

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 20,560 professional contacts with verified work emails tracked across these 6,518 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 6, 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.