Company lists · Data refreshed November 2026

Top 25 Inbound call handling companies worldwide

RevenueBase identified 4,647 company matches for inbound call handling companies worldwide as of November 2026 and tracks 116,976 professional contacts across them, including 8,449 with verified work emails. The United States is the largest market and Rawalpindi the largest hub.

This list covers company matches for inbound call handling 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 inbound call handling 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
4,647Companies
116,976Contacts tracked
8,449Verified emails
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The 25 largest inbound call handling companies worldwide

Ranked by team size
Top 25 of 4,647 company matches for inbound call handling 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 matchBerwyn, PA, United StatesHQ recorded Nov 6, 20265,001-10,0003,116 contacts →

Exact match

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBuenos Aires, FL, ArgentinaHQ recorded Nov 6, 20261,001-5,0002,460 contacts →

Exact match

“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchVieux Fort, JamaicaHQ recorded Nov 6, 20261,001-5,0001,475 contacts →

Exact match

“itel is the Caribbean’s largest homegrown, award-winning customer experience (CX) partner, with operations across the Caribbean and Latin America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Nov 6, 20261,001-5,0001,361 contacts →

Exact match

“Chez Phone Régie, nous composons des expériences d'accueil physique et téléphonique pour assurer des parcours clients et visiteurs sur mesure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSt Petersburg, RussiaHQ recorded Nov 6, 20261,001-5,0001,318 contacts →

Exact match

“The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAmman, JordanHQ recorded Nov 6, 20261,001-5,0001,223 contacts →

Exact match

“Crystel emerged as a leading Outsourcing Service Provider (OSP) since its establishment in Jordan in early 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCape Town, South AfricaHQ recorded Nov 6, 20261,001-5,0001,162 contacts →

Exact match

“We specialise in inbound multichannel customer support across multiple verticals from our quality, strategically located centres in Fiji, South Africa and Peru and via our work…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHyderabad, IndiaHQ recorded Nov 6, 20261,001-5,0001,132 contacts →

Exact match

“Even the markets know that we’re the good call’!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGennevilliers Cedex, FranceHQ recorded Nov 6, 202610001+1,087 contacts →

Exact match

“Expert de la relation client depuis 1996, b2s est le N°1 de l’externalisation de votre relation client en qualité délivrée.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDoral, FL, United StatesHQ recorded Nov 6, 20261,001-5,000969 contacts →

Exact match

“Our Company Inktel is a leading business process outsourcer that specializes in creating personalized call center solutions which enable our clients to increase market share…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHorsham, PA, United StatesHQ recorded Nov 6, 2026501-1,000946 contacts →

Exact match

“If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPortland, ME, United StatesHQ recorded Nov 6, 2026201-500932 contacts →

Exact match

“NexRep is a leader in virtual contact center solutions, with more than 100 years of combined contact center leadership.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCedar Falls, IA, United StatesHQ recorded Nov 6, 20261,001-5,000883 contacts →

Exact match

“CBE Companies is the parent organization of CBE Customer Solutions and CBE Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFortaleza, BrazilHQ recorded Nov 6, 20261,001-5,000795 contacts →

Exact match

“A VECTOR SERVIÇOS é uma empresa especializada na criação, implantação e gestão de serviços de Contact Center.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchProvidencia, ChileHQ recorded Nov 6, 20261,001-5,000720 contacts →

Exact match

“Impulsamos el éxito de nuestros clientes a través de soluciones personalizadas en Contact Center y experiencia al cliente.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchJaipur, IndiaHQ recorded Nov 6, 2026501-1,000681 contacts →

Exact match

“We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCebu City, PhilippinesHQ recorded Nov 6, 20261,001-5,000661 contacts →

Exact match

“AZPIRED is a world-class provider of call center outsourcing services, proudly operating multiple locations across the Philippines.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGurgaon, IndiaHQ recorded Nov 6, 20261,001-5,000650 contacts →

Exact match

“Welcome to the India page of Transcom!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSalisbury, VA, United StatesHQ recorded Nov 6, 2026501-1,000623 contacts →

Exact match

“We are customer service experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAlabang, PhilippinesHQ recorded Nov 6, 20261,001-5,000622 contacts →

Exact match

“ServiceFirst is a World Class Call Center and BPO with strategic locations around the globe providing an elevated Customer Experience to benefit your business with exceptional…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Nov 6, 2026n/a584 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Fernando De Henares, SpainHQ recorded Nov 6, 20265,001-10,000576 contacts →

Exact match

“Unitono es un referente en el sector del Contact Center.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026201-500556 contacts →

Exact match

“A HOME AGENT S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHouston, United StatesHQ recorded Nov 6, 20261,001-5,000513 contacts →

Exact match

“SupportZebra is a business process outsourcing company based in the Philippines, with headquarters in the Houston,TX region, that specializes in: Sales & Marketing Retention |…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchChesapeake, VA, United StatesHQ recorded Nov 6, 2026501-1,000509 contacts →

Exact match

“Since 1991 MAP Communications has been providing professional live telephone answering services 24/7/365.”

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

Showing 25 of 4,647 inbound call handling companies worldwide

See the full list, filter by size, metro and specialty, and access 8,449 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Inbound call handling companies worldwide at a glance

As of Nov 6, 2026
7.2%Verified-email coverage
25.2Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Rawalpindi
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,195
11-50
1,583
51-200
1,134
201-500
389
501-1,000
169
1,001-5,000
113
5,001-10,000
17
10001+
12

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 inbound call handling companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “inbound call handling 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 8,449 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.

Inbound call handling companies by location

16 lists · largest first

Every Inbound call handling 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 “inbound call handling companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many inbound call handling companies are there worldwide?

RevenueBase identified 4,647 company matches for inbound call handling 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?

Advanced Call Center Technologies, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most inbound call handling companies?

The United States leads with 1,054 companies, followed by India (290) and the United Kingdom (241). Every inbound call handling companies list by country and city is linked on this page.

Which city has the most inbound call handling companies?

Rawalpindi leads with 88 company records, followed by Lahore (72) and London (56).

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 8,449 professional contacts with verified work emails tracked across these 4,647 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.