Company lists · Data refreshed November 2026

Top 25 Language quality assurance companies worldwide

RevenueBase identified 397 company matches for language quality assurance companies worldwide as of November 2026 and tracks 4,626 professional contacts across them, including 475 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for language quality assurance 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 language quality assurance 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
397Companies
4,626Contacts tracked
475Verified emails
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The 25 largest language quality assurance companies worldwide

Ranked by team size
Top 25 of 397 company matches for language quality assurance 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 matchChennai, IndiaHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“Codoid Innovations – a futuristic QA Company - offers you innovative technology solutions that are guaranteed to accelerate your business, keep existing customers engaged, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMálaga, SpainHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“Localsoft is a world-class, one-stop localization service provider with more than 30 years of experience in localizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLahore, PakistanHQ recorded Nov 6, 202611-5073 contacts →

Exact match

“headed into a firm in 2017, rooted in delivering excellent Software quality assurance () and software testing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMountain View, MA, United StatesHQ recorded Nov 6, 2026201-50068 contacts →

Exact match

“Over one billion people worldwide benefit from SimulTrans’ translations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchManchester, United KingdomHQ recorded Nov 6, 2026201-50064 contacts →

Exact match

“Transcom Global is an ISO 9001:2015 and ISO 17100:2015 certified provider of translation, localization and QA services for the global life science industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChicago, DC, United StatesHQ recorded Nov 6, 202611-5063 contacts →

Exact match

“BURG Translations is one of the oldest language service companies in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchChepstow, United KingdomHQ recorded Nov 6, 202611-5061 contacts →

Exact match

“Indulge in expert insight translations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchZlin, Czech RepublicHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“We are a language service provider (LSP) with more than 35 years’ experience specializing in professional translation and localization services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHelsingborg, SwedenHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“LocalizeDirect is an international game and software localization company based in Sweden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDublin 2, IrelandHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“We specialize in localization quality assurance, and take a holistic view of the localization lifecycle model, with a focus on LQA, value stream analysis, and optimization to help…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAd, NetherlandsHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“AVB Vertalingen/Translation clients benefit from our wide range of reliable language services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMowbray, South AfricaHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“At AfroLingo, we're passionate about helping businesses like yours connect with the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPhnom Penh, CambodiaHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“First Class offers translation in any language you require, following a rigorous three-step translation process of translating, crosschecking and proofreading.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVeenendaal, NetherlandsHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Euro-Com International is a Dutch ISO 9001, 17100 and 18587 certified translation agency specializing in the delivery of high-quality translations and localizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBeaverton, OR, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“For over 45 years, PTIGlobal’s goal has been to help global companies compete in worldwide markets by delivering messages and products that speak engagingly to all audiences in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMons, QC, BelgiumHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“When Stoquart founder Dimitri Stoquart launched his freelance career in 1986, little did he know that his efforts would culminate in the Stoquart we know today-an SME with global…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBasel, SwitzerlandHQ recorded Nov 6, 20261-1029 contacts →

Exact match

“Traductor is a translation and localization company based out of Zwingerstrasse 12, Basel, Switzerland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLongueuil, QC, CanadaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Traducta is Canada’s most established provider of translation and localization services, specializing in multilingual solutions and renowned for its exceptional quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchVilnius, LithuaniaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Alchemy Translations is committed to localizing your message, ensuring that it find an appropriate voice within a new language; that it resonate in its new home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWellington, New ZealandHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“NZTC International (NZTC) is a translation company with 30 years of experience in the international translation market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“Welcome to Orient!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHanoi, VietnamHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Founded in 2015, MercTrans is a young company in the translation and localization industry, yet we have been able to deliver quality services that match industrial standards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Translate By Humans is a Language Services Provider (LSP) headquartered in London, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVilnius, LithuaniaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Diskusija is a boutique translation and localisation company that helps corporate clients and multilingual language companies worldwide to reach their goals by providing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchQuébec, QC, CanadaHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“CSF inc.”

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

Showing 25 of 397 language quality assurance companies worldwide

See the full list, filter by size, metro and specialty, and access 475 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Language quality assurance companies worldwide at a glance

As of Nov 6, 2026
10.3%Verified-email coverage
11.7Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
229
11-50
123
51-200
29
201-500
9
501-1,000
2
1,001-5,000
1
5,001-10,000
1

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 language quality assurance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “language quality assurance 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 475 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.

Language quality assurance companies by location

1 lists · largest first

Every Language quality assurance companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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

How many language quality assurance companies are there worldwide?

RevenueBase identified 397 company matches for language quality assurance 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?

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

Which country has the most language quality assurance companies?

The United Kingdom leads with 27 companies. Every language quality assurance companies list by country and city is linked on this page.

Which city has the most language quality assurance companies?

London leads with 7 company records, followed by Barcelona (6) and Cairo (6).

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 475 professional contacts with verified work emails tracked across these 397 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.