Company lists · Data refreshed September 2026
Top 25 Healthcare customer support outsourcers worldwide
RevenueBase identified 1,709 healthcare customer support outsourcers worldwide as of September 2026 and tracks 126,268 professional contacts across them, including 15,133 with verified work emails and 0 with mobile numbers. The United States is the largest market and Lahore the largest hub.
This list covers healthcare customer support outsourcers 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 16, 2026. Country and city lists for healthcare customer support outsourcers 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.
The 25 largest healthcare customer support outsourcers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 9,366 contacts → | ||||
Strong 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 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 5,863 contacts → | ||||
Partial evidence “Everise delivers happiness to millions of customers around the world.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,346 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,774 contacts → | ||||
Partial 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 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 2,482 contacts → | ||||
Partial 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 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1,856 contacts → | ||||
Indirect evidence “IKS Health is on a mission to enable the efficient delivery of high quality care through a combination of leading edge technology and human expertise.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,741 contacts → | ||||
Indirect 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 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,711 contacts → | ||||
Strong evidence “SupportNinja provides customer experience and back-office support services for tech companies and startups around the world.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,710 contacts → | ||||
Strong 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 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,676 contacts → | ||||
Indirect evidence “Phreesia was founded in 2005 to help patients take an active role in their care.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1,609 contacts → | ||||
Indirect evidence “Sybrid (Pvt) Ltd is Pakistan's leading technology solutions provider, helping businesses optimize their operations and drive growth.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1,606 contacts → | ||||
Partial evidence “Carenet Health is committed to delivering the business of healthcare through leading-edge technology, unmatched perspective and insights, and operational excellence to help…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1,554 contacts → | ||||
Partial evidence “Rising cost of healthcare, increased adoption of technology, prevalence of quality- and performance-based reimbursement models, evolving physician-hospital -patient dynamics are…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1,275 contacts → | ||||
Indirect evidence “BroadPath provides transformational outsourcing and managed services powered by our one-of-a-kind, 100% remote business model.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1,048 contacts → | ||||
Partial evidence “Valor Global is a global leader in providing extraordinary customer experiences for clients across the globe.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1,021 contacts → | ||||
Indirect evidence “Open Access is a leading outsourcing solutions provider with a history of delivering high-quality services to global businesses across industries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 974 contacts → | ||||
Partial evidence “NASCO empowers health plans to innovate, grow, and deliver better experiences through a comprehensive suite of healthcare technology solutions and services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 966 contacts → | ||||
Indirect evidence “Complete Revenue Cycle Management” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 902 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 860 contacts → | ||||
Partial evidence “Horatio is a premier, tech-enabled outsourcing partner helping ambitious companies scale customer experience and complex business operations without compromising quality…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 807 contacts → | ||||
Partial evidence “Global Healthcare Resource is a full service healthcare solutions firm focused on maximizing return on investment, increasing revenues and improving productivity for our valued…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 801 contacts → | ||||
Indirect evidence “Acquired by Fusion BPO in 2021” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: healthcare customer support outsourcers. 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 healthcare customer support outsourcers.
- Partial evidence
- Its own public description names part of healthcare customer support outsourcers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name healthcare customer support outsourcers. 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 1,709 healthcare customer support outsourcers worldwide
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Healthcare customer support outsourcers worldwide at a glance
As of Sep 16, 2026Companies by employee count
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 healthcare customer support outsourcers, 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
- 9 countries, largest first: the United States, India, Pakistan, the Philippines, Brazil, the United Kingdom, France, Germany, Canada. Country and city lists for healthcare customer support outsourcers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “healthcare customer support outsourcers”. 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 healthcare customer support outsourcers), 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 healthcare customer support outsourcers, 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, 15,133 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 16, 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.
Healthcare customer support outsourcers by location
9 lists · largest firstEvery Healthcare customer support outsourcers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Healthcare customer support outsourcers based in the United States752
- Healthcare customer support outsourcers based in India343
- Healthcare customer support outsourcers based in Pakistan203
- Healthcare customer support outsourcers based in the Philippines107
- Healthcare customer support outsourcers based in Brazil75
- Healthcare customer support outsourcers based in the United Kingdom71
- Healthcare customer support outsourcers based in France62
- Healthcare customer support outsourcers based in Germany54
- Healthcare customer support outsourcers based in Canada42
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 healthcare customer support outsourcers, 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 healthcare customer support outsourcers are there worldwide?
RevenueBase identified 1,709 healthcare customer support outsourcers 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 healthcare customer support outsourcers?
The United States leads with 752 companies, followed by India (343) and Pakistan (203). Every healthcare customer support outsourcers list by country and city is linked on this page.
Which city has the most healthcare customer support outsourcers?
Lahore leads with 81 headquartered companies, followed by Rawalpindi (38) and London (36).
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 15,133 verified decision-maker contacts tracked across these 1,709 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 16, 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.