Company lists · Data refreshed November 2026
Top 25 Localization testing services worldwide
RevenueBase identified 2,609 company matches for localization testing services worldwide as of November 2026 and tracks 52,332 professional contacts across them, including 8,900 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for localization testing services 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 localization testing services 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.
The 25 largest localization testing services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 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 | |||||
| 4 | 749 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 538 contacts → | ||||
Exact match “Localize more with Alpha.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 501 contacts → | ||||
Exact match “Unlock new worlds!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 400 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 | |||||
| 8 | 369 contacts → | ||||
Exact match “Iyuno Media Group acquired SDI Media in 2021.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 357 contacts → | ||||
Exact match “Andovar is your gateway to global success, offering a comprehensive suite of custom language data services and localization solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 330 contacts → | ||||
Exact match “Acclaro is a content intelligence solutions business, helping brands communicate with purpose, precision, and global impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 273 contacts → | ||||
Exact match “Bayantech is a global localization and multilingual growth partner helping enterprises, startups, and organizations expand across international markets through translation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 268 contacts → | ||||
Exact match “Allcorrect has been producing high quality content for videogames since 2008.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 252 contacts → | ||||
Exact match “Lokalise is the most loved and trusted localization tool – partnering with over companies globally across product, engineering, marketing, content and design teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 239 contacts → | ||||
Exact match “With over 250 employees across its offices in Montréal and Toronto, difuze provides clients with a complete service offering in finishing, localization, accessibility, and media…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 236 contacts → | ||||
Exact match “VerboLabs, Your Gateway to Global Business, is a certified content company offering a one-stop solution to localization, dubbing & voice-over, content writing, desktop publishing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 235 contacts → | ||||
Exact match “translate plus, part of Publicis Groupe, is an award-winning language services provider (LSP) and technology company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 232 contacts → | ||||
Exact match “India's best Language Service Provider (LSP) with 36 years of industry experience in the language industry, specializing in Translation, Localization Data Services and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 224 contacts → | ||||
Exact match “Pacific Interpreters is now part of LanguageLine Solutions a comprehensive language solutions provider, helping to eliminate language barriers by offering interpreting via phone…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 221 contacts → | ||||
Exact match “TRSB, a trusted name in translation, in North America and around the world- Secure, integrated management systems for high volumes and total confidentiality - In-house…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 199 contacts → | ||||
Exact match “XTM is the AI Globalization Platform that helps the world's most ambitious enterprises create, manage and deliver multilingual content at scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 198 contacts → | ||||
Exact match “The Media Localization Partner for global audiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 194 contacts → | ||||
Exact match “CLS Communication is a subsidiary of Lionbridge, the largest localization and translation services provider in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 190 contacts → | ||||
Exact match “Go Global is your multilingual content partner in the tech-driven era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 185 contacts → | ||||
Exact match “KERN Global Language Services is a leading provider of language services worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 182 contacts → | ||||
Exact match “ISO 9001, ISO17100 and ISO27001 Certified “There is always a better way” This is our very core belief which we hold closely in our hearts here at SuccessGlo, Inc.” 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 “localization testing services”. 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 2,609 localization testing services worldwide
See the full list, filter by size, metro and specialty, and access 8,900 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Localization testing services worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 testing services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “localization testing services” 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 8,900 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.
Localization testing services by location
23 lists · largest firstEvery Localization testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Localization testing services based in the United States289
- Localization testing services based in India186
- Localization testing services based in the United Kingdom159
- Localization testing services based in Spain112
- Localization testing services based in Egypt95
- Localization testing services based in Germany94
- Localization testing services based in France77
- Localization testing services based in Türkiye69
- Localization testing services based in Italy66
- Localization testing services based in Brazil62
- Localization testing services based in Canada54
- Localization testing services based in Argentina46
- Localization testing services based in the United Arab Emirates44
- Localization testing services based in Poland41
- Localization testing services based in Japan36
- Localization testing services based in Ukraine25
- Localization testing services based in Vietnam25
Cities
- Localization testing services based in London, United Kingdom72
- Localization testing services based in Istanbul, Türkiye29
- Localization testing services based in Madrid, Spain29
- Localization testing services based in Barcelona, Spain27
- Localization testing services based in New York, United States27
- Localization testing services based in Dubai, United Arab Emirates26
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 testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many localization testing services are there worldwide?
RevenueBase identified 2,609 company matches for localization testing services 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 localization testing services?
The United States leads with 289 companies, followed by India (186) and the United Kingdom (159). Every localization testing services list by country and city is linked on this page.
Which city has the most localization testing services?
London leads with 73 company records, followed by Cairo (41) and Istanbul (29).
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 8,900 professional contacts with verified work emails tracked across these 2,609 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.
Ready to reach these companies? Verified emails and direct dials for all 2,609 localization testing services worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 localization testing services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,609 matching company records for localization testing services worldwide, with 52,332 tracked contacts and 8,900 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 localization testing services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Lionbridgelionbridge.comHQ: Waltham, MA, United StatesReported employees: 5,001-10,000 | Waltham, MA, United States | 5,001-10,000 | Exact match | 9,103 contacts → |
“Lionbridge partners with brands to break barriers and build bridges all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Welocalizewelocalize.comHQ: New York, OR, United StatesReported employees: 1,001-5,000 | New York, OR, United States | 1,001-5,000 | Exact match | 5,035 contacts → |
“Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ccjk Technologiesccjk.comHQ: Shen Zhen, ChinaReported employees: 501-1,000 | Shen Zhen, China | 501-1,000 | Exact match | 888 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  VSIvsi.tvHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 749 contacts → |
“Founded in 1989, VSI - Voice & Script International - has over 36 years of unrivalled expertise and success in all aspects of language versioning.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ALPHAalphacrc.comHQ: Cambridge, United StatesReported employees: 201-500 | Cambridge, United States | 201-500 | Exact match | 538 contacts → |
“Localize more with Alpha.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  EC Innovations, INCecinnovations.comHQ: Wilmington, NY, United StatesReported employees: 501-1,000 | Wilmington, NY, United States | 501-1,000 | Exact match | 501 contacts → |
“Unlock new worlds!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Moraviamoravia.comHQ: Brno, Czech RepublicReported employees: 1,001-5,000 | Brno, Czech Republic | 1,001-5,000 | Exact match | 400 contacts → |
“Moravia, an RWS company, delivers product localization, global digital marketing, and testing services to the world's top brands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Iyuno Media Groupiyuno.comHQ: Burbank, CA, United StatesReported employees: 1,001-5,000 | Burbank, CA, United States | 1,001-5,000 | Exact match | 369 contacts → |
“Iyuno Media Group acquired SDI Media in 2021.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Andovarandovar.comHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 357 contacts → |
“Andovar is your gateway to global success, offering a comprehensive suite of custom language data services and localization solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Acclaroacclaro.comHQ: Boston, CA, United StatesReported employees: 51-200 | Boston, CA, United States | 51-200 | Exact match | 330 contacts → |
“Acclaro is a content intelligence solutions business, helping brands communicate with purpose, precision, and global impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bayantechbayan-tech.comHQ: Dubai, United Arab EmiratesReported employees: 201-500 | Dubai, United Arab Emirates | 201-500 | Exact match | 273 contacts → |
“Bayantech is a global localization and multilingual growth partner helping enterprises, startups, and organizations expand across international markets through translation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Allcorrectallcorrectgames.comHQ: Dublin, ON, IrelandReported employees: 51-200 | Dublin, ON, Ireland | 51-200 | Exact match | 268 contacts → |
“Allcorrect has been producing high quality content for videogames since 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Lokaliselokalise.comHQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 252 contacts → |
“Lokalise is the most loved and trusted localization tool – partnering with over companies globally across product, engineering, marketing, content and design teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Difuzedifuze.comHQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 239 contacts → |
“With over 250 employees across its offices in Montréal and Toronto, difuze provides clients with a complete service offering in finishing, localization, accessibility, and media…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Verbolabsverbolabs.comHQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 236 contacts → |
“VerboLabs, Your Gateway to Global Business, is a certified content company offering a one-stop solution to localization, dubbing & voice-over, content writing, desktop publishing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Translate Plustranslateplus.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 235 contacts → |
“translate plus, part of Publicis Groupe, is an award-winning language services provider (LSP) and technology company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Crystal Hues Limitedcrystalhues.comHQ: New Delhi, IndiaReported employees: 201-500 | New Delhi, India | 201-500 | Exact match | 232 contacts → |
“India's best Language Service Provider (LSP) with 36 years of industry experience in the language industry, specializing in Translation, Localization Data Services and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Pacific Interpreters, A Languageline Solutions Companylanguageline.comHQ: Monterey, CA, United StatesReported employees: 10001+ | Monterey, CA, United States | 10001+ | Exact match | 224 contacts → |
“Pacific Interpreters is now part of LanguageLine Solutions a comprehensive language solutions provider, helping to eliminate language barriers by offering interpreting via phone…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Trsb INCtrsb.comHQ: Montréal, NY, CanadaReported employees: 201-500 | Montréal, NY, Canada | 201-500 | Exact match | 221 contacts → |
“TRSB, a trusted name in translation, in North America and around the world- Secure, integrated management systems for high volumes and total confidentiality - In-house…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  XTMxtm.aiHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 199 contacts → |
“XTM is the AI Globalization Platform that helps the world's most ambitious enterprises create, manage and deliver multilingual content at scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Amberscriptamberscript.comHQ: Amsterdam, United StatesReported employees: 51-200 | Amsterdam, United States | 51-200 | Exact match | 198 contacts → |
“The Media Localization Partner for global audiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  CLS Communicationcls-communication.comHQ: Glattbrugg-zurich, SwitzerlandReported employees: 501-1,000 | Glattbrugg-zurich, Switzerland | 501-1,000 | Exact match | 194 contacts → |
“CLS Communication is a subsidiary of Lionbridge, the largest localization and translation services provider in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  GO Globalgoglobal-consulting.comHQ: Buenos Aires, OR, ArgentinaReported employees: 51-200 | Buenos Aires, OR, Argentina | 51-200 | Exact match | 190 contacts → |
“Go Global is your multilingual content partner in the tech-driven era.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kern Global Language Servicese-kern.comHQ: Frankfurt, GermanyReported employees: 201-500 | Frankfurt, Germany | 201-500 | Exact match | 185 contacts → |
“KERN Global Language Services is a leading provider of language services worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Successglo PTE LTDsuccessglo.comHQ: Beijing, SingaporeReported employees: 201-500 | Beijing, Singapore | 201-500 | Exact match | 182 contacts → |
“ISO 9001, ISO17100 and ISO27001 Certified “There is always a better way” This is our very core belief which we hold closely in our hearts here at SuccessGlo, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,609 company matches
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Localization testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,591 records in the displayed employee bands.
18 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,609 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Localization testing services by location
23 lists · largest firstEvery Localization testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Localization testing services based in the United States289
- Localization testing services based in India186
- Localization testing services based in the United Kingdom159
- Localization testing services based in Spain112
- Localization testing services based in Egypt95
- Localization testing services based in Germany94
- Localization testing services based in France77
- Localization testing services based in Türkiye69
- Localization testing services based in Italy66
- Localization testing services based in Brazil62
- Localization testing services based in Canada54
- Localization testing services based in Argentina46
- Localization testing services based in the United Arab Emirates44
- Localization testing services based in Poland41
- Localization testing services based in Japan36
- Localization testing services based in Ukraine25
- Localization testing services based in Vietnam25
Cities
- Localization testing services based in London, United Kingdom72
- Localization testing services based in Istanbul, Türkiye29
- Localization testing services based in Madrid, Spain29
- Localization testing services based in Barcelona, Spain27
- Localization testing services based in New York, United States27
- Localization testing services based in Dubai, United Arab Emirates26
Questions about this company list
What does Exact match mean for localization testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many localization testing services did RevenueBase find worldwide?
The saved snapshot records 2,609 matching company records, 52,332 tracked contacts and 8,900 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 localization testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/localization-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 localization testing services worldwide
RevenueBase records 2,609 matching company records for localization testing services worldwide, with 52,332 tracked contacts and 8,900 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 localization testing services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Lionbridgelionbridge.com HQ: Waltham, MA, United StatesReported employees: 5,001-10,000 | Waltham, MA, United States | 5,001-10,000 | Exact match | 9,103 contacts → |
“Lionbridge partners with brands to break barriers and build bridges all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Welocalizewelocalize.com HQ: New York, OR, United StatesReported employees: 1,001-5,000 | New York, OR, United States | 1,001-5,000 | Exact match | 5,035 contacts → |
“Welocalize, a Welo Global brand, serves localization teams through AI-enabled multilingual content solutions that enable enterprises to operate and scale globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ccjk Technologiesccjk.com HQ: Shen Zhen, ChinaReported employees: 501-1,000 | Shen Zhen, China | 501-1,000 | Exact match | 888 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | VSIvsi.tv HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 749 contacts → |
“Founded in 1989, VSI - Voice & Script International - has over 36 years of unrivalled expertise and success in all aspects of language versioning.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ALPHAalphacrc.com HQ: Cambridge, United StatesReported employees: 201-500 | Cambridge, United States | 201-500 | Exact match | 538 contacts → |
“Localize more with Alpha.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | EC Innovations, INCecinnovations.com HQ: Wilmington, NY, United StatesReported employees: 501-1,000 | Wilmington, NY, United States | 501-1,000 | Exact match | 501 contacts → |
“Unlock new worlds!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Moraviamoravia.com HQ: Brno, Czech RepublicReported employees: 1,001-5,000 | Brno, Czech Republic | 1,001-5,000 | Exact match | 400 contacts → |
“Moravia, an RWS company, delivers product localization, global digital marketing, and testing services to the world's top brands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Iyuno Media Groupiyuno.com HQ: Burbank, CA, United StatesReported employees: 1,001-5,000 | Burbank, CA, United States | 1,001-5,000 | Exact match | 369 contacts → |
“Iyuno Media Group acquired SDI Media in 2021.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Andovarandovar.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 357 contacts → |
“Andovar is your gateway to global success, offering a comprehensive suite of custom language data services and localization solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Acclaroacclaro.com HQ: Boston, CA, United StatesReported employees: 51-200 | Boston, CA, United States | 51-200 | Exact match | 330 contacts → |
“Acclaro is a content intelligence solutions business, helping brands communicate with purpose, precision, and global impact.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bayantechbayan-tech.com HQ: Dubai, United Arab EmiratesReported employees: 201-500 | Dubai, United Arab Emirates | 201-500 | Exact match | 273 contacts → |
“Bayantech is a global localization and multilingual growth partner helping enterprises, startups, and organizations expand across international markets through translation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Allcorrectallcorrectgames.com HQ: Dublin, ON, IrelandReported employees: 51-200 | Dublin, ON, Ireland | 51-200 | Exact match | 268 contacts → |
“Allcorrect has been producing high quality content for videogames since 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lokaliselokalise.com HQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 252 contacts → |
“Lokalise is the most loved and trusted localization tool – partnering with over companies globally across product, engineering, marketing, content and design teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Difuzedifuze.com HQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 239 contacts → |
“With over 250 employees across its offices in Montréal and Toronto, difuze provides clients with a complete service offering in finishing, localization, accessibility, and media…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Verbolabsverbolabs.com HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 236 contacts → |
“VerboLabs, Your Gateway to Global Business, is a certified content company offering a one-stop solution to localization, dubbing & voice-over, content writing, desktop publishing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Translate Plustranslateplus.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 235 contacts → |
“translate plus, part of Publicis Groupe, is an award-winning language services provider (LSP) and technology company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Crystal Hues Limitedcrystalhues.com HQ: New Delhi, IndiaReported employees: 201-500 | New Delhi, India | 201-500 | Exact match | 232 contacts → |
“India's best Language Service Provider (LSP) with 36 years of industry experience in the language industry, specializing in Translation, Localization Data Services and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Pacific Interpreters, A Languageline Solutions Companylanguageline.com HQ: Monterey, CA, United StatesReported employees: 10001+ | Monterey, CA, United States | 10001+ | Exact match | 224 contacts → |
“Pacific Interpreters is now part of LanguageLine Solutions a comprehensive language solutions provider, helping to eliminate language barriers by offering interpreting via phone…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Trsb INCtrsb.com HQ: Montréal, NY, CanadaReported employees: 201-500 | Montréal, NY, Canada | 201-500 | Exact match | 221 contacts → |
“TRSB, a trusted name in translation, in North America and around the world- Secure, integrated management systems for high volumes and total confidentiality - In-house…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | XTMxtm.ai HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 199 contacts → |
“XTM is the AI Globalization Platform that helps the world's most ambitious enterprises create, manage and deliver multilingual content at scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Amberscriptamberscript.com HQ: Amsterdam, United StatesReported employees: 51-200 | Amsterdam, United States | 51-200 | Exact match | 198 contacts → |
“The Media Localization Partner for global audiences.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | CLS Communicationcls-communication.com HQ: Glattbrugg-zurich, SwitzerlandReported employees: 501-1,000 | Glattbrugg-zurich, Switzerland | 501-1,000 | Exact match | 194 contacts → |
“CLS Communication is a subsidiary of Lionbridge, the largest localization and translation services provider in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | GO Globalgoglobal-consulting.com HQ: Buenos Aires, OR, ArgentinaReported employees: 51-200 | Buenos Aires, OR, Argentina | 51-200 | Exact match | 190 contacts → |
“Go Global is your multilingual content partner in the tech-driven era.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kern Global Language Servicese-kern.com HQ: Frankfurt, GermanyReported employees: 201-500 | Frankfurt, Germany | 201-500 | Exact match | 185 contacts → |
“KERN Global Language Services is a leading provider of language services worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Successglo PTE LTDsuccessglo.com HQ: Beijing, SingaporeReported employees: 201-500 | Beijing, Singapore | 201-500 | Exact match | 182 contacts → |
“ISO 9001, ISO17100 and ISO27001 Certified “There is always a better way” This is our very core belief which we hold closely in our hearts here at SuccessGlo, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,609 company matches
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Localization testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,591 records in the displayed employee bands.
18 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,609 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Localization testing services by location
23 lists · largest firstEvery Localization testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Localization testing services based in the United States289
- Localization testing services based in India186
- Localization testing services based in the United Kingdom159
- Localization testing services based in Spain112
- Localization testing services based in Egypt95
- Localization testing services based in Germany94
- Localization testing services based in France77
- Localization testing services based in Türkiye69
- Localization testing services based in Italy66
- Localization testing services based in Brazil62
- Localization testing services based in Canada54
- Localization testing services based in Argentina46
- Localization testing services based in the United Arab Emirates44
- Localization testing services based in Poland41
- Localization testing services based in Japan36
- Localization testing services based in Ukraine25
- Localization testing services based in Vietnam25
Cities
- Localization testing services based in London, United Kingdom72
- Localization testing services based in Istanbul, Türkiye29
- Localization testing services based in Madrid, Spain29
- Localization testing services based in Barcelona, Spain27
- Localization testing services based in New York, United States27
- Localization testing services based in Dubai, United Arab Emirates26
Questions about this company list
What does Exact match mean for localization testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many localization testing services did RevenueBase find worldwide?
The saved snapshot records 2,609 matching company records, 52,332 tracked contacts and 8,900 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 localization testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/localization-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗