Company lists · Data refreshed September 2026

Top 25 Customer service outsourcing companies for healthcare worldwide

Name: Customer service outsourcing companies for healthcare worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 6,802 companies tracked

RevenueBase identified 6,802 customer service outsourcing companies for healthcare worldwide as of September 2026 and tracks 326,434 professional contacts across them, including 32,628 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers customer service outsourcing companies for healthcare 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 28, 2026. Country and city lists for customer service outsourcing companies for healthcare 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 RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

6,802Companies

326,434Contacts tracked

32,628Verified emails

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The 25 largest customer service outsourcing companies for healthcare worldwide

Ranked by team size

Top 25 of 6,802 customer service outsourcing companies for healthcare worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to customer service outsourcing companies for healthcare: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Ienergizer	Strong evidence	Noida, IndiaHQ checked Sep 28, 2026	10001+	14,745 contacts →
	Strong evidence “iEnergizer is a leading Business Process Outsourcing provider (“BPO”) of customer management solutions dedicated to delivering performance while actively supporting and advocating…” Source: RevenueBase Database · checked Sep 28, 2026
2	Intelcia	Partial evidence	Casablanca, MoroccoHQ checked Sep 28, 2026	10001+	13,214 contacts →
	Partial evidence “Intelcia is a global player in outsourcing, which has supported its clients for 20 years combining talents, technologies, and processes to offer a tailor-made service and skills…” Source: RevenueBase Database · checked Sep 28, 2026
3	Sagility	Partial evidence	Westminster, CO, United StatesHQ checked Sep 28, 2026	10001+	9,366 contacts →
	Partial evidence “Sagility is a U.S-based, tech-enabled healthcare business process management company that supports payers, providers, and their partners to deliver best-in-class operations…” Source: RevenueBase Database · checked Sep 28, 2026
4	Parallon	Indirect evidence	Nashville, TN, United StatesHQ checked Sep 28, 2026	10001+	5,984 contacts →
	Indirect evidence “Parallon leverages extensive expertise across a broad portfolio of revenue cycle, contact center, and clinical and administrative shared services.” Source: RevenueBase Database · checked Sep 28, 2026
5	Everise	Partial evidence	Plantation, FL, United StatesHQ checked Sep 28, 2026	10001+	5,863 contacts →
	Partial evidence “Everise delivers happiness to millions of customers around the world.” Source: RevenueBase Database · checked Sep 28, 2026
6	Raya CX	Partial evidence	Giza, EgyptHQ checked Sep 28, 2026	5,001-10,000	3,989 contacts →
	Partial evidence “RAYA Customer Experience provides next-generation BPO and customer experience management on behalf of clients across various industries.” Source: RevenueBase Database · checked Sep 28, 2026
7	Brasil Center Comunicações	Indirect evidence	n/a	5,001-10,000	3,979 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
8	GSS Global Sales Solutions	Indirect evidence	Madrid, SpainHQ checked Sep 28, 2026	10001+	3,716 contacts →
	Indirect evidence “is a tech company specialized in providing, and for.” Source: RevenueBase Database · checked Sep 28, 2026
9	TSI	Strong evidence	Fort Washington, WA, United StatesHQ checked Sep 28, 2026	10001+	3,677 contacts →
	Strong evidence “Transworld Systems Inc.(TSI) stands as the leading tech-driven provider in Accounts Receivable Management (ARM), Healthcare Revenue Cycle Management (RCM), Customer Experience…” Source: RevenueBase Database · checked Sep 28, 2026
10	Iqor Philippines	Indirect evidence	United StatesHQ checked Sep 28, 2026	n/a	3,370 contacts →
	Indirect evidence “We are a global BPO” Source: RevenueBase Database · checked Sep 28, 2026
11	Teleperformance Global Services	Indirect evidence	Kolkata, IndiaHQ checked Sep 28, 2026	1,001-5,000	3,346 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
12	Telvista	Partial evidence	Dallas, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	3,122 contacts →
	Partial evidence “Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Source: RevenueBase Database · checked Sep 28, 2026
13	Plansul	Indirect evidence	Florianópolis, BrazilHQ checked Sep 28, 2026	10001+	3,097 contacts →
	Indirect evidence “A Plansul é referência nacional em serviços terceirizados há mais de 40 anos, oferecendo soluções completas em Facilities e Contact Center para empresas públicas e privadas.” Source: RevenueBase Database · checked Sep 28, 2026
14	Advanced Call Center Technologies, LLC	Indirect evidence	Berwyn, PA, United StatesHQ checked Sep 28, 2026	5,001-10,000	2,774 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
15	Stream Global Services	Partial evidence	Eagan, MN, United StatesHQ checked Sep 28, 2026	10001+	2,772 contacts →
	Partial evidence “Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…” Source: RevenueBase Database · checked Sep 28, 2026
16	Inspiro	Strong evidence	Makati City Manila, PhilippinesHQ checked Sep 28, 2026	10001+	2,482 contacts →
	Strong evidence “A global CX outsourcing leader, Inspiro empowers smart, secure, seamless, scalable, and satisfying customer experience (CX) across a network of BPO and customer champions in 100…” Source: RevenueBase Database · checked Sep 28, 2026
17	Webhelp Onelink	Partial evidence	Guatemala, United StatesHQ checked Sep 28, 2026	10001+	2,245 contacts →
	Partial evidence “OneLink is the premier partner in outsourced omnichannel customer experience services.” Source: RevenueBase Database · checked Sep 28, 2026
18	CAT Technologies Argentina	Strong evidence	Buenos Aires, ArgentinaHQ checked Sep 28, 2026	1,001-5,000	2,221 contacts →
	Strong evidence “Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Source: RevenueBase Database · checked Sep 28, 2026
19	Liveops, INC	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	n/a	2,026 contacts →
	Partial evidence “Human-Led, Tech-Powered Customer Service For over 25 years, Liveops has redefined customer support by combining technology with real human connection.” Source: RevenueBase Database · checked Sep 28, 2026
20	Allied Global	Indirect evidence	GuatemalaHQ checked Sep 28, 2026	5,001-10,000	1,979 contacts →
	Indirect evidence “Regardless of your Company’s size (from Start-ups to Fortune 500), business vertical or service requirements, we act as a seamless extension of your team to help you grow, and…” Source: RevenueBase Database · checked Sep 28, 2026
21	Technotask Business Solutions PVT LTD	Partial evidence	Bhopal, IndiaHQ checked Sep 28, 2026	1,001-5,000	1,762 contacts →
	Partial evidence “Transforming Customer Experiences Worldwide** At Technotask, we've embarked on a journey of exponential growth and innovation since our inception in March 2020.” Source: RevenueBase Database · checked Sep 28, 2026
22	Km2 Solutions	Partial evidence	Boca Raton, FL, United StatesHQ checked Sep 28, 2026	5,001-10,000	1,741 contacts →
	Partial evidence “Award-winning outsourcing partner with two decades of experience operating an exclusively nearshore strategy that delivers better performance, close to home, and at a lower cost.” Source: RevenueBase Database · checked Sep 28, 2026
23	Supportninja	Partial evidence	Austin, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,711 contacts →
	Partial evidence “SupportNinja provides customer experience and back-office support services for tech companies and startups around the world.” Source: RevenueBase Database · checked Sep 28, 2026
24	Support Services Group	Partial evidence	Waco, TX, United StatesHQ checked Sep 28, 2026	5,001-10,000	1,710 contacts →
	Partial evidence “Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.” Source: RevenueBase Database · checked Sep 28, 2026
25	Pcci Group	Strong evidence	Dakar, SenegalHQ checked Sep 28, 2026	1,001-5,000	1,702 contacts →
	Strong evidence “Leading Customer Experience and Operations outsourcing provider in emerging markets, PCCI Group has quickly emerged as a key player delivering consistent and branded customer…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: customer service outsourcing companies for healthcare. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names customer service outsourcing companies for healthcare.
Partial evidence: Its own public description names part of customer service outsourcing companies for healthcare, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name customer service outsourcing companies for healthcare. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 6,802 customer service outsourcing companies for healthcare worldwide

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Customer service outsourcing companies for healthcare worldwide at a glance

As of Sep 28, 2026

10.0%Verified-email coverage

48.0Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Lahore

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,531

11-50

2,314

51-200

1,681

201-500

625

501-1,000

300

1,001-5,000

256

5,001-10,000

10001+

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 customer service outsourcing companies for healthcare, 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 customer service outsourcing companies for healthcare are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “customer service outsourcing companies for healthcare”. 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 customer service outsourcing companies for healthcare), 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 customer service outsourcing companies for healthcare, 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, 32,628 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 28, 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.

Customer service outsourcing companies for healthcare by location

34 lists · largest first

Every Customer service outsourcing companies for healthcare list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase 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 customer service outsourcing companies for healthcare, 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 customer service outsourcing companies for healthcare are there worldwide?

RevenueBase identified 6,802 customer service outsourcing companies for healthcare 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?

Ienergizer, headquartered in Noida, tops this list with the largest team on record.

Which country has the most customer service outsourcing companies for healthcare?

The United States leads with 1,677 companies, followed by India (897) and Pakistan (406). Every customer service outsourcing companies for healthcare list by country and city is linked on this page.

Which city has the most customer service outsourcing companies for healthcare?

Lahore leads with 158 headquartered companies, followed by London (75) and Rawalpindi (68).

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 32,628 verified decision-maker contacts tracked across these 6,802 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 28, 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 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.