Company lists · Data refreshed September 2026
Top 25 Customer retention outsourcing companies worldwide
RevenueBase identified 609 company matches for customer retention outsourcing companies worldwide as of September 2026 and tracks 18,990 professional contacts across them, including 1,759 with verified work emails. The United States is the largest market and Lahore the largest hub.
This list covers company matches for customer retention outsourcing 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 September 28, 2026. Country and city lists for customer retention outsourcing 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.
The 25 largest customer retention outsourcing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,774 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 1,710 contacts → | ||||
Exact match “Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 917 contacts → | ||||
Exact match “Our People.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 911 contacts → | ||||
Exact match “Somos a união da Liderança, e seus 34 anos de atendimento humanizado, com a Emdia, e sua expertise em inovação.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 902 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 873 contacts → | ||||
Exact match “At Convergys Intelligent Contact, we build sustainable revenue streams for our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 682 contacts → | ||||
Exact match “WEngage creates the best and authentic customer experiences driven by skilled employees, cutting-edge technology and certified working procedures.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 569 contacts → | ||||
Exact match “Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 517 contacts → | ||||
Exact match “iContact BPO is in the business of transforming global enterprises - because we provide the BPO solutions that organizations need to provide exceptional service.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 346 contacts → | ||||
Exact match “As a distinguished global leader in call center outsourcing, OnBrand24 takes pride in its 30-year legacy of delivering exceptional inbound and outbound call center services across…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 318 contacts → | ||||
Exact match “We are a diversified services company with extensive experience in design and execution of customer engagement programs meeting diverse requirements of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 260 contacts → | ||||
Exact match “Eben Telecom, a team with a clear concept of Customer Retention Management was established in the year 1995 in Cochin, the business and financial hub of Kerala.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 242 contacts → | ||||
Exact match “ICAN BPO Private Limited (ICAN) is a full service solutions provider with deep domain expertise in the areas of customer acquisition and retention across verticals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 234 contacts → | ||||
Exact match “Customer Direct, founded in 1997, empowers its clients to make better business decisions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 208 contacts → | ||||
Exact match “Somos especialistas en Atención de Clientes y Gestión de Cobranzas, cuidamos al cliente en cada punto de contacto y en cada paso del proceso.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 186 contacts → | ||||
Exact match “Som talk2me startet vi å drifte TM allerede i 1995.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 181 contacts → | ||||
Exact match “Signia aims to provide marketing services to targeted business environments in the US.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 150 contacts → | ||||
Exact match “Delivering outsourced business processing for comprehensive customer life cycle management, creating optimised customer connections for a brighter future.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 129 contacts → | ||||
Exact match “MYOL provides dynamic and flexible solutions for customer care in inbound segment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 123 contacts → | ||||
Exact match “Brindamos soluciones enfocadas en la retención de clientes, implementando programas de Lealtad, Fidelización, incentivos a canales, fuerzas de ventas y cliente frecuente en…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 123 contacts → | ||||
Exact match “We offer the full range of inbound customer services that help you increase sales, retain customers, and create brand loyalty.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 105 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 93 contacts → | ||||
Exact match “NEXUS CONTACT CENTER, spécialiste Offshore de la Relation Client, qui fonde son expertise sur 15 ans de métier et opérant principalement dans un environnement multi-langue de 250…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 83 contacts → | ||||
Exact match “High Performance is a top call center and business process outsourcing (BPO) company in Erbil, Kurdistan Region, serving businesses across Iraq and international clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 81 contacts → | ||||
Exact match “We are CLUSTER.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “customer retention outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 609 customer retention outsourcing companies worldwide
See the full list, filter by size, metro and specialty, and access 1,759 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Customer retention outsourcing companies worldwide at a glance
As of Sep 28, 2026Companies by employee count
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 customer retention outsourcing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “customer retention outsourcing 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 1,759 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 September 28, 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.
Customer retention outsourcing companies by location
1 lists · largest firstEvery Customer retention outsourcing 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 “customer retention outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many customer retention outsourcing companies are there worldwide?
RevenueBase identified 609 company matches for customer retention outsourcing companies worldwide as of September 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 customer retention outsourcing companies?
The United States leads with 106 companies. Every customer retention outsourcing companies list by country and city is linked on this page.
Which city has the most customer retention outsourcing companies?
Lahore leads with 11 company records, followed by Karachi (10) and London (9).
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 1,759 professional contacts with verified work emails tracked across these 609 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 September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 609 customer retention outsourcing companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 customer retention outsourcing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 609 matching company records for customer retention outsourcing companies worldwide, with 18,990 tracked contacts and 1,759 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 customer retention outsourcing companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Advanced Call Center Technologies, LLCacttoday.comHQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 2,774 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Support Services Groupsupportservicesgroup.coHQ: Waco, TX, United StatesReported employees: 5,001-10,000 | Waco, TX, United States | 5,001-10,000 | Exact match | 1,710 contacts → |
“Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Rewardscorewardsco.comHQ: Durban, South AfricaReported employees: 1,001-5,000 | Durban, South Africa | 1,001-5,000 | Exact match | 917 contacts → |
“Our People.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  EMDIAeuemdia.com.brHQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 911 contacts → |
“Somos a união da Liderança, e seus 34 anos de atendimento humanizado, com a Emdia, e sua expertise em inovação.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Inktel Contact Center Solutionsinktel.comHQ: Doral, FL, United StatesReported employees: 1,001-5,000 | Doral, FL, United States | 1,001-5,000 | Exact match | 902 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Convergys Intelligent Contactconvergys.comHQ: Altrincham, United KingdomReported employees: 10001+ | Altrincham, United Kingdom | 10001+ | Exact match | 873 contacts → |
“At Convergys Intelligent Contact, we build sustainable revenue streams for our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Wengagewengage.euHQ: Diegem, BelgiumReported employees: 1,001-5,000 | Diegem, Belgium | 1,001-5,000 | Exact match | 682 contacts → |
“WEngage creates the best and authentic customer experiences driven by skilled employees, cutting-edge technology and certified working procedures.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Vertex Data Sciencevertexgroup.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 569 contacts → |
“Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Icontact BPOicontactbpo.comHQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 517 contacts → |
“iContact BPO is in the business of transforming global enterprises - because we provide the BPO solutions that organizations need to provide exceptional service.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Onbrand24onbrand24.comHQ: Iowa City, United StatesReported employees: 1,001-5,000 | Iowa City, United States | 1,001-5,000 | Exact match | 346 contacts → |
“As a distinguished global leader in call center outsourcing, OnBrand24 takes pride in its 30-year legacy of delivering exceptional inbound and outbound call center services across…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ATS Services PVT LTDservicesats.comHQ: Faridabad, IndiaReported employees: 201-500 | Faridabad, India | 201-500 | Exact match | 318 contacts → |
“We are a diversified services company with extensive experience in design and execution of customer engagement programs meeting diverse requirements of our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Eben Telecom Pvt. LTDebentelecom.comHQ: Kochi, IndiaReported employees: 1,001-5,000 | Kochi, India | 1,001-5,000 | Exact match | 260 contacts → |
“Eben Telecom, a team with a clear concept of Customer Retention Management was established in the year 1995 in Cochin, the business and financial hub of Kerala.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ican BPO Pvt. LTDicanbpo.comHQ: Thane, IndiaReported employees: 201-500 | Thane, India | 201-500 | Exact match | 242 contacts → |
“ICAN BPO Private Limited (ICAN) is a full service solutions provider with deep domain expertise in the areas of customer acquisition and retention across verticals.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Customer Directcustomerdirect.comHQ: Maryland Heights, MO, United StatesReported employees: 201-500 | Maryland Heights, MO, United States | 201-500 | Exact match | 234 contacts → |
“Customer Direct, founded in 1997, empowers its clients to make better business decisions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Multiconex SAmulticonex.com.arHQ: Ciudad De Buenos Aires, ArgentinaReported employees: 501-1,000 | Ciudad De Buenos Aires, Argentina | 501-1,000 | Exact match | 208 contacts → |
“Somos especialistas en Atención de Clientes y Gestión de Cobranzas, cuidamos al cliente en cada punto de contacto y en cada paso del proceso.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Loyalty ASloyalty.noHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 186 contacts → |
“Som talk2me startet vi å drifte TM allerede i 1995.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Signiasigniaworks.comHQ: Westminster, CO, United StatesReported employees: 201-500 | Westminster, CO, United States | 201-500 | Exact match | 181 contacts → |
“Signia aims to provide marketing services to targeted business environments in the US.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Proceraproceragroup.comHQ: Ethekwini, South AfricaReported employees: 1,001-5,000 | Ethekwini, South Africa | 1,001-5,000 | Exact match | 150 contacts → |
“Delivering outsourced business processing for comprehensive customer life cycle management, creating optimised customer connections for a brighter future.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  MY Outsourcing Limitedmyolbd.comHQ: Dhaka, BangladeshReported employees: Not recorded | Dhaka, Bangladesh | Not recorded | Exact match | 129 contacts → |
“MYOL provides dynamic and flexible solutions for customer care in inbound segment.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LMT Conexus-Groupconexus-group.com HQ: Curridabat, Costa RicaReported employees: 51-200 | Curridabat, Costa Rica | 51-200 | Exact match | 123 contacts → |
“Brindamos soluciones enfocadas en la retención de clientes, implementando programas de Lealtad, Fidelización, incentivos a canales, fuerzas de ventas y cliente frecuente en…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Contact Servicecontactservice.infoHQ: Belgrade, SerbiaReported employees: 51-200 | Belgrade, Serbia | 51-200 | Exact match | 123 contacts → |
“We offer the full range of inbound customer services that help you increase sales, retain customers, and create brand loyalty.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Justpressone, INCjustpressone.com HQ: Fountain Valley, CA, United StatesReported employees: 201-500 | Fountain Valley, CA, United States | 201-500 | Exact match | 105 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Nexus Contact Centernexuscontactcenter.comHQ: Ariana - Tunisi, TunisiaReported employees: 201-500 | Ariana - Tunisi, Tunisia | 201-500 | Exact match | 93 contacts → |
“NEXUS CONTACT CENTER, spécialiste Offshore de la Relation Client, qui fonde son expertise sur 15 ans de métier et opérant principalement dans un environnement multi-langue de 250…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | High Performancehighperformanceco.net HQ: Erbil, IraqReported employees: 201-500 | Erbil, Iraq | 201-500 | Exact match | 83 contacts → |
“High Performance is a top call center and business process outsourcing (BPO) company in Erbil, Kurdistan Region, serving businesses across Iraq and international clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cluster Outsourcing Services Limitedclusterosl.com HQ: Lisbon, PortugalReported employees: 201-500 | Lisbon, Portugal | 201-500 | Exact match | 81 contacts → |
“We are CLUSTER.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 609 company matches
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Customer retention outsourcing companies: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
607 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 609 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Customer retention outsourcing companies by location
1 lists · largest firstEvery Customer retention outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for customer retention outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many customer retention outsourcing companies did RevenueBase find worldwide?
The saved snapshot records 609 matching company records, 18,990 tracked contacts and 1,759 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 customer retention outsourcing companies worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/customer-retention-outsourcing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 customer retention outsourcing companies worldwide
RevenueBase records 609 matching company records for customer retention outsourcing companies worldwide, with 18,990 tracked contacts and 1,759 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 customer retention outsourcing companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Advanced Call Center Technologies, LLCacttoday.com HQ: Berwyn, PA, United StatesReported employees: 5,001-10,000 | Berwyn, PA, United States | 5,001-10,000 | Exact match | 2,774 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Support Services Groupsupportservicesgroup.co HQ: Waco, TX, United StatesReported employees: 5,001-10,000 | Waco, TX, United States | 5,001-10,000 | Exact match | 1,710 contacts → |
“Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Rewardscorewardsco.com HQ: Durban, South AfricaReported employees: 1,001-5,000 | Durban, South Africa | 1,001-5,000 | Exact match | 917 contacts → |
“Our People.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | EMDIAeuemdia.com.br HQ: São Paulo, BrazilReported employees: 1,001-5,000 | São Paulo, Brazil | 1,001-5,000 | Exact match | 911 contacts → |
“Somos a união da Liderança, e seus 34 anos de atendimento humanizado, com a Emdia, e sua expertise em inovação.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Inktel Contact Center Solutionsinktel.com HQ: Doral, FL, United StatesReported employees: 1,001-5,000 | Doral, FL, United States | 1,001-5,000 | Exact match | 902 contacts → |
“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 description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Convergys Intelligent Contactconvergys.com HQ: Altrincham, United KingdomReported employees: 10001+ | Altrincham, United Kingdom | 10001+ | Exact match | 873 contacts → |
“At Convergys Intelligent Contact, we build sustainable revenue streams for our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Wengagewengage.eu HQ: Diegem, BelgiumReported employees: 1,001-5,000 | Diegem, Belgium | 1,001-5,000 | Exact match | 682 contacts → |
“WEngage creates the best and authentic customer experiences driven by skilled employees, cutting-edge technology and certified working procedures.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vertex Data Sciencevertexgroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 569 contacts → |
“Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Icontact BPOicontactbpo.com HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 517 contacts → |
“iContact BPO is in the business of transforming global enterprises - because we provide the BPO solutions that organizations need to provide exceptional service.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Onbrand24onbrand24.com HQ: Iowa City, United StatesReported employees: 1,001-5,000 | Iowa City, United States | 1,001-5,000 | Exact match | 346 contacts → |
“As a distinguished global leader in call center outsourcing, OnBrand24 takes pride in its 30-year legacy of delivering exceptional inbound and outbound call center services across…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ATS Services PVT LTDservicesats.com HQ: Faridabad, IndiaReported employees: 201-500 | Faridabad, India | 201-500 | Exact match | 318 contacts → |
“We are a diversified services company with extensive experience in design and execution of customer engagement programs meeting diverse requirements of our clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Eben Telecom Pvt. LTDebentelecom.com HQ: Kochi, IndiaReported employees: 1,001-5,000 | Kochi, India | 1,001-5,000 | Exact match | 260 contacts → |
“Eben Telecom, a team with a clear concept of Customer Retention Management was established in the year 1995 in Cochin, the business and financial hub of Kerala.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ican BPO Pvt. LTDicanbpo.com HQ: Thane, IndiaReported employees: 201-500 | Thane, India | 201-500 | Exact match | 242 contacts → |
“ICAN BPO Private Limited (ICAN) is a full service solutions provider with deep domain expertise in the areas of customer acquisition and retention across verticals.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Customer Directcustomerdirect.com HQ: Maryland Heights, MO, United StatesReported employees: 201-500 | Maryland Heights, MO, United States | 201-500 | Exact match | 234 contacts → |
“Customer Direct, founded in 1997, empowers its clients to make better business decisions.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Multiconex SAmulticonex.com.ar HQ: Ciudad De Buenos Aires, ArgentinaReported employees: 501-1,000 | Ciudad De Buenos Aires, Argentina | 501-1,000 | Exact match | 208 contacts → |
“Somos especialistas en Atención de Clientes y Gestión de Cobranzas, cuidamos al cliente en cada punto de contacto y en cada paso del proceso.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Loyalty ASloyalty.no HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 186 contacts → |
“Som talk2me startet vi å drifte TM allerede i 1995.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Signiasigniaworks.com HQ: Westminster, CO, United StatesReported employees: 201-500 | Westminster, CO, United States | 201-500 | Exact match | 181 contacts → |
“Signia aims to provide marketing services to targeted business environments in the US.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Proceraproceragroup.com HQ: Ethekwini, South AfricaReported employees: 1,001-5,000 | Ethekwini, South Africa | 1,001-5,000 | Exact match | 150 contacts → |
“Delivering outsourced business processing for comprehensive customer life cycle management, creating optimised customer connections for a brighter future.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MY Outsourcing Limitedmyolbd.com HQ: Dhaka, BangladeshReported employees: Not recorded | Dhaka, Bangladesh | Not recorded | Exact match | 129 contacts → |
“MYOL provides dynamic and flexible solutions for customer care in inbound segment.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LMT Conexus-Groupconexus-group.com HQ: Curridabat, Costa RicaReported employees: 51-200 | Curridabat, Costa Rica | 51-200 | Exact match | 123 contacts → |
“Brindamos soluciones enfocadas en la retención de clientes, implementando programas de Lealtad, Fidelización, incentivos a canales, fuerzas de ventas y cliente frecuente en…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Contact Servicecontactservice.info HQ: Belgrade, SerbiaReported employees: 51-200 | Belgrade, Serbia | 51-200 | Exact match | 123 contacts → |
“We offer the full range of inbound customer services that help you increase sales, retain customers, and create brand loyalty.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Justpressone, INCjustpressone.com HQ: Fountain Valley, CA, United StatesReported employees: 201-500 | Fountain Valley, CA, United States | 201-500 | Exact match | 105 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Nexus Contact Centernexuscontactcenter.com HQ: Ariana - Tunisi, TunisiaReported employees: 201-500 | Ariana - Tunisi, Tunisia | 201-500 | Exact match | 93 contacts → |
“NEXUS CONTACT CENTER, spécialiste Offshore de la Relation Client, qui fonde son expertise sur 15 ans de métier et opérant principalement dans un environnement multi-langue de 250…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | High Performancehighperformanceco.net HQ: Erbil, IraqReported employees: 201-500 | Erbil, Iraq | 201-500 | Exact match | 83 contacts → |
“High Performance is a top call center and business process outsourcing (BPO) company in Erbil, Kurdistan Region, serving businesses across Iraq and international clients.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cluster Outsourcing Services Limitedclusterosl.com HQ: Lisbon, PortugalReported employees: 201-500 | Lisbon, Portugal | 201-500 | Exact match | 81 contacts → |
“We are CLUSTER.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 609 company matches
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Customer retention outsourcing companies: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
607 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 609 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Customer retention outsourcing companies by location
1 lists · largest firstEvery Customer retention outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for customer retention outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many customer retention outsourcing companies did RevenueBase find worldwide?
The saved snapshot records 609 matching company records, 18,990 tracked contacts and 1,759 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 customer retention outsourcing companies worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/customer-retention-outsourcing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗