Company lists · Data refreshed September 2026

Top 25 Multilingual call center staffing companies worldwide

RevenueBase identified 963 multilingual call center staffing companies worldwide as of September 2026 and tracks 41,046 professional contacts across them, including 2,853 with verified work emails. The United States is the largest market and London the largest hub.

This list covers multilingual call center staffing companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for multilingual call center staffing companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
963Companies
41,046Contacts tracked
2,853Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest multilingual call center staffing companies worldwide

Ranked by team size
Top 25 of 963 multilingual call center staffing companies worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to multilingual call center staffing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLahore, PakistanHQ checked Sep 29, 20265,001-10,0004,359 contacts →

Indirect evidence

“Founded in 2004, Mindbridge (Private) Limited is Pakistan’s largest BPO company, operating with a capacity.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202610001+3,396 contacts →

Indirect evidence

“Recognized as the #1 CX provider for disruptors and innovators across financial services, healthcare, and e-commerce, Ubiquity was founded on the belief that our clients and their…”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceWinter Haven, United StatesHQ checked Sep 29, 2026n/a617 contacts →

Partial evidence

“Multilingual Interpreters and Translators, a language service and business solutions Company based in Winter Haven, Florida.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceLa Hulpe, BelgiumHQ checked Sep 29, 2026n/a553 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceMagdalena Del Mar, United StatesHQ checked Sep 29, 2026201-500550 contacts →

Indirect evidence

“At Bilingual, we are your gateway to seamless global communication.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidence's Hertogenbosch, NetherlandsHQ checked Sep 29, 20261,001-5,000542 contacts →

Indirect evidence

“Custom Connect are a specialist in customer contact and related services.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceSalisbury, NC, United StatesHQ checked Sep 29, 2026501-1,000542 contacts →

Indirect evidence

“We are customer service experts.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 29, 202651-200537 contacts →

Partial evidence

“Multilingual recruitment specialists in Europe since 1990.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceStockholm, SwedenHQ checked Sep 29, 2026201-500531 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 29, 20261,001-5,000496 contacts →

Indirect evidence

“At Cygnific, we specialise in providing premium customer service solutions for leading brands such as KLM, Air France, Rituals, and Sunweb.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceSanto Domingo, Dominican RepublicHQ checked Sep 29, 20265,001-10,000459 contacts →

Indirect evidence

“In 2006, Advensus embarked on its journey in the Dominican Republic, initially known as Nearshore, with a modest 100 telemarketing positions.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceSofia, BulgariaHQ checked Sep 29, 20261,001-5,000398 contacts →

Partial evidence

“ResultsCX is an award-winning BPO and Multi-Lingual Contact Centre Outsourcing company in Bulgaria.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceThane, IndiaHQ checked Sep 29, 20261,001-5,000381 contacts →

Indirect evidence

“KServe BPO Private Limited is Business Solutions Provider with a consistent track-record of highly successful multi-lingual campaigns for its clients, not just in India but also…”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceHalifax, NS, CanadaHQ checked Sep 29, 2026501-1,000367 contacts →

Partial evidence

“Here’s our ten-second elevator pitch: we provide affordable, onshore and/or nearshore, high-touch customized contact center solutions for brands who care deeply about the quality…”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceLongview, TX, United StatesHQ checked Sep 29, 20261,001-5,000367 contacts →

Partial evidence

“Centris Information Services is a leading provider of comprehensive, high-quality, bilingual (English & Spanish) contact center services.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceNuremberg, GermanyHQ checked Sep 29, 20265,001-10,000359 contacts →

Indirect evidence

“The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.”

Source: RevenueBase Database · checked Sep 29, 2026
17Strong evidenceEnschede, NetherlandsHQ checked Sep 29, 2026501-1,000350 contacts →

Strong evidence

“Webhelp Enterprise is a high-end multilingual customer service provider with center of gravity in the Consumer Electronic, Personal Computer and Peripheral and Service industries.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceCork, IrelandHQ checked Sep 29, 20261,001-5,000348 contacts →

Partial evidence

“Voxpro powered by TELUS International is an award-winning provider of Multilingual Customer Experience & Technical Support solutions to giant global brands.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidencePlano, TX, United StatesHQ checked Sep 29, 2026501-1,000330 contacts →

Indirect evidence

“Akorbi has been acquired by Propio Language Services.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceSheffield, United KingdomHQ checked Sep 29, 2026501-1,000327 contacts →

Indirect evidence

“Skilled talent, proven processes and leading technology.”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceGuaynabo, Puerto RicoHQ checked Sep 29, 2026501-1,000326 contacts →

Partial evidence

“Linkactiv is a full service bilingual and bicultural Contact Center and Direct Marketing Company featuring integrated solutions designed to deliver measurable results for our…”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceMiami Beach, FL, United StatesHQ checked Sep 29, 2026201-500289 contacts →

Indirect evidence

“At Uassist.ME, we help businesses simplify how they scale-through high-performing, bilingual configurable BPO and Virtual Assistants solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
23Strong evidenceNew Delhi, IndiaHQ checked Sep 29, 2026201-500284 contacts →

Strong evidence

“Navigant Technologies is an ISO 9001-2008 certified international call center headquartered in Delhi, India.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidencePrinceton, NJ, United StatesHQ checked Sep 29, 2026501-1,000264 contacts →

Indirect evidence

“ExpertCallers (a division of Flatworld Solutions) is a global consulting and outsourcing company, with a wealth of experience in providing operational and strategic excellence to…”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceMontevideo, UruguayHQ checked Sep 29, 2026201-500261 contacts →

Partial evidence

“Somos una empresa uruguaya con más de 20 años de experiencia en la externalización de Contact Centers y servicios BPO.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 963 multilingual call center staffing companies worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,853 reachable decision-makers.

Free signup · no credit card

View the full list →

Multilingual call center staffing companies worldwide at a glance

As of Sep 29, 2026
7.0%Verified-email coverage
42.6Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
224
11-50
277
51-200
248
201-500
103
501-1,000
56
1,001-5,000
38
5,001-10,000
6
10001+
6

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among multilingual call center staffing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for multilingual call center staffing companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “multilingual call center staffing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names multilingual call center staffing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among multilingual call center staffing companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,853 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Multilingual call center staffing companies by location

5 lists · largest first

Every Multilingual call center staffing 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names multilingual call center staffing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many multilingual call center staffing companies are there worldwide?

RevenueBase identified 963 multilingual call center staffing companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Mindbridge, headquartered in Lahore, tops this list with the largest team on record.

Which country has the most multilingual call center staffing companies?

The United States leads with 195 companies, followed by Canada (36) and the United Kingdom (33). Every multilingual call center staffing companies list by country and city is linked on this page.

Which city has the most multilingual call center staffing companies?

London leads with 19 headquartered companies, followed by New York (11) and Miami (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,853 verified decision-maker contacts tracked across these 963 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 963 multilingual call center staffing companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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 Smart Search, 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.