Company lists · Data refreshed November 2026

Top 25 Multilingual testing companies worldwide

RevenueBase identified 4,093 company matches for multilingual testing companies worldwide as of November 2026 and tracks 93,751 professional contacts across them, including 16,381 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for multilingual testing 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 multilingual testing 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
4,093Companies
93,751Contacts tracked
16,381Verified emails
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The 25 largest multilingual testing companies worldwide

Ranked by team size
Top 25 of 4,093 company matches for multilingual testing 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWaltham, MA, United StatesHQ recorded Nov 6, 20265,001-10,0009,103 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
2Exact matchNew York, OR, United StatesHQ recorded Nov 6, 20261,001-5,0005,035 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
3Exact matchMaidenhead, United KingdomHQ recorded Nov 6, 20261,001-5,0002,444 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
4Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0001,744 contacts →

Exact match

“AQM Technologies Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHorsham, PA, United StatesHQ recorded Nov 6, 2026n/a1,720 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
6Exact matchFramingham, MA, United StatesHQ recorded Nov 6, 2026201-5001,463 contacts →

Exact match

“Applause is the global leader in managed software testing services and digital quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDecatur, United StatesHQ recorded Nov 6, 20261,001-5,0001,071 contacts →

Exact match

“a1qa is a global software testing and QA outsourcing company trusted by IT firms and Fortune 500 enterprises to deliver software quality that holds under real-world pressure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLas Rozas, SpainHQ recorded Nov 6, 2026201-500903 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
9Exact matchShen Zhen, ChinaHQ recorded Nov 6, 2026501-1,000888 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
10Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 20261,001-5,000885 contacts →

Exact match

“QASource is a leading provider of outsourced software quality engineering services, offering scalable and customizable QA solutions to clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWinter Haven, United StatesHQ recorded Nov 6, 2026n/a618 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
12Exact matchSan Francisco, United StatesHQ recorded Nov 6, 2026201-500597 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
13Exact matchLa Hulpe, BelgiumHQ recorded Nov 6, 2026n/a558 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
14Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500538 contacts →

Exact match

“Semantix is the Nordic region’s leading communication partner for multilingual services, working with a worldwide network of thousands of language specialists.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCambridge, United StatesHQ recorded Nov 6, 2026201-500538 contacts →

Exact match

“Localize more with Alpha.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBogotá, ColombiaHQ recorded Nov 6, 2026201-500536 contacts →

Exact match

“Empowering growth-driven technology companies with reliable and efficient software quality assurance solutions, our QA services specialize in QA automation, staff augmentation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBangalore, IndiaHQ recorded Nov 6, 2026501-1,000512 contacts →

Exact match

“Moolya prevents bugs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHackensack, NJ, United StatesHQ recorded Nov 6, 2026201-500502 contacts →

Exact match

“CQ Fluency helps organizations execute critical communications in complex, regulated environments, where accuracy, accessibility, and compliance directly impact outcomes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSunnyvale, United StatesHQ recorded Nov 6, 2026201-500461 contacts →

Exact match

“ThinkSys is a QA outsourcing and software testing company for SaaS, FinTech, and Healthcare engineering teams that need reliable quality at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIndianapolis, United StatesHQ recorded Nov 6, 2026501-1,000450 contacts →

Exact match

“iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSan Mateo, CA, United StatesHQ recorded Nov 6, 2026501-1,000437 contacts →

Exact match

“We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000420 contacts →

Exact match

“Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 202651-200419 contacts →

Exact match

“For 15 years, Astegic has been helping Fortune 500 through startup companies with their Testing & QA needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrno, Czech RepublicHQ recorded Nov 6, 20261,001-5,000400 contacts →

Exact match

“Moravia, an RWS company, delivers product localization, global digital marketing, and testing services to the world's top brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAtlanta, United StatesHQ recorded Nov 6, 2026201-500395 contacts →

Exact match

“Tescom is one of the world's largest independent Software Quality Assurance companies and a pioneer in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,093 multilingual testing companies worldwide

See the full list, filter by size, metro and specialty, and access 16,381 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multilingual testing companies worldwide at a glance

As of Nov 6, 2026
17.5%Verified-email coverage
22.9Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,941
11-50
1,365
51-200
529
201-500
147
501-1,000
43
1,001-5,000
27
5,001-10,000
8
10001+
6

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 multilingual testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “multilingual testing 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 16,381 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.

Multilingual testing companies by location

34 lists · largest first

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

How many multilingual testing companies are there worldwide?

RevenueBase identified 4,093 company matches for multilingual testing 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?

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

Which country has the most multilingual testing companies?

The United States leads with 476 companies, followed by India (409) and the United Kingdom (265). Every multilingual testing companies list by country and city is linked on this page.

Which city has the most multilingual testing companies?

London leads with 102 company records, followed by Bangalore (42) and Madrid (42).

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 16,381 professional contacts with verified work emails tracked across these 4,093 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.