Company lists · Data refreshed September 2026
Top 25 Billing inquiry call centers worldwide
RevenueBase identified 941 company matches for billing inquiry call centers worldwide as of September 2026 and tracks 45,240 professional contacts across them, including 3,883 with verified work emails. The United States is the largest market and Lahore the largest hub.
This list covers company matches for billing inquiry call centers 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 27, 2026. Country and city lists for billing inquiry call centers 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 billing inquiry call centers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,061 contacts → | ||||
Exact match “ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 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 27, 2026 · View company records in RevenueBase | |||||
| 3 | 2,221 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 1,404 contacts → | ||||
Exact match “NCO's Customer Fit Solutions are Custom Fit.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 1,198 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 1,058 contacts → | ||||
Exact match “Em breve uma nova página da BTCC Conexão Cliente.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 1,048 contacts → | ||||
Exact match “Valor Global is a global leader in providing extraordinary customer experiences for clients across the globe.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 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 27, 2026 · View company records in RevenueBase | |||||
| 9 | 744 contacts → | ||||
Exact match “We are a company present in three countries that offers financial services, specialists in CHARGE, SALES AND FIDELIZATION, OMNICANAL TECHNOLOGY AND BACK OFFICE.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 701 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 629 contacts → | ||||
Exact match “Client Services, Inc.(CSI) was founded in 1987 in the heartland of America.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 623 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 589 contacts → | ||||
Exact match “GEXEL est un centre de contact clients fondé en 1998 et dont le siège social est au Québec.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 514 contacts → | ||||
Exact match “Coast is a top-performing call center services company that specializes in onshore omni-channel solutions, accounts receivable management, and back-office functions for public and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 459 contacts → | ||||
Exact match “In 2006, Advensus embarked on its journey in the Dominican Republic, initially known as Nearshore, with a modest 100 telemarketing positions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 459 contacts → | ||||
Exact match “Unitono es un referente en el sector del Contact Center.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 454 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 447 contacts → | ||||
Exact match “Proper Business solutions is offering a comprehensive suite of customer care call center services, outbound and lead generation, back-office and data processing solutions to…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 425 contacts → | ||||
Exact match “Nuestros servicios contribuyen al desarrollo de negocios más rentables, ya que poseemos la experiencia y tecnología que nos permite trabajar en el descubrimiento de nuevas…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 382 contacts → | ||||
Exact match “TELENEWS es un Centro de Contacto Omnicanal con sede en Guayaquil, Ecuador, reconocido por su compromiso con la excelencia en el servicio al cliente y la innovación constante.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 354 contacts → | ||||
Exact match “For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 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 27, 2026 · View company records in RevenueBase | |||||
| 23 | 316 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 299 contacts → | ||||
Exact match “ACCUEIL is a leading Italian company in the field of Call Center and Business Process Outsourcing Services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 246 contacts → | ||||
Exact match “Since 1995, VOXDATA has been supplying outsourced call centre services, 24 hours a day, seven days a week, to meet all frontline customer relations needs.” Recorded in the RevenueBase company graph · Sep 27, 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 “billing inquiry call centers”. 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 941 billing inquiry call centers worldwide
See the full list, filter by size, metro and specialty, and access 3,883 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Billing inquiry call centers worldwide at a glance
As of Sep 27, 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 billing inquiry call centers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “billing inquiry call centers” 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 3,883 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 27, 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.
Billing inquiry call centers by location
3 lists · largest firstEvery Billing inquiry call centers 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 “billing inquiry call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many billing inquiry call centers are there worldwide?
RevenueBase identified 941 company matches for billing inquiry call centers 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?
EPX Eperformax Contact Centers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most billing inquiry call centers?
The United States leads with 161 companies, followed by India (77) and Germany (27). Every billing inquiry call centers list by country and city is linked on this page.
Which city has the most billing inquiry call centers?
Lahore leads with 18 company records, followed by Rawalpindi (18) and Noida (7).
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 3,883 professional contacts with verified work emails tracked across these 941 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 941 billing inquiry call centers 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 billing inquiry call centers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 941 matching company records for billing inquiry call centers worldwide, with 45,240 tracked contacts and 3,883 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 27, 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 billing inquiry call centers 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 |  EPX Eperformax Contact Centerseperformax.comHQ: Pasay City, PhilippinesReported employees: 5,001-10,000 | Pasay City, Philippines | 5,001-10,000 | Exact match | 3,061 contacts → |
“ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CAT Technologies Argentinacat-technologies.comHQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 2,221 contacts → |
“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  NCO Financial Systemsncogroup.comHQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 1,404 contacts → |
“NCO's Customer Fit Solutions are Custom Fit.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  The Office Gurustheofficegurus.comHQ: St Petersburg, FL, RussiaReported employees: 1,001-5,000 | St Petersburg, FL, Russia | 1,001-5,000 | Exact match | 1,198 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Btcc Call Centerbtcc.net.brHQ: Goiânia, BrazilReported employees: 10001+ | Goiânia, Brazil | 10001+ | Exact match | 1,058 contacts → |
“Em breve uma nova página da BTCC Conexão Cliente.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Valor Globalvalorglobal.comHQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,048 contacts → |
“Valor Global is a global leader in providing extraordinary customer experiences for clients across the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  IBR Latamibrlatam.comHQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 744 contacts → |
“We are a company present in three countries that offers financial services, specialists in CHARGE, SALES AND FIDELIZATION, OMNICANAL TECHNOLOGY AND BACK OFFICE.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Vectorsouvector.com.brHQ: Fortaleza, BrazilReported employees: 1,001-5,000 | Fortaleza, Brazil | 1,001-5,000 | Exact match | 701 contacts → |
“A VECTOR SERVIÇOS é uma empresa especializada na criação, implantação e gestão de serviços de Contact Center.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Client Services Incorporatedclientservices.comHQ: Saint Charles, MO, United StatesReported employees: 501-1,000 | Saint Charles, MO, United States | 501-1,000 | Exact match | 629 contacts → |
“Client Services, Inc.(CSI) was founded in 1987 in the heartland of America.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Fastcofastcogroup.comHQ: Providencia, ChileReported employees: 1,001-5,000 | Providencia, Chile | 1,001-5,000 | Exact match | 623 contacts → |
“Impulsamos el éxito de nuestros clientes a través de soluciones personalizadas en Contact Center y experiencia al cliente.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Gexel Telecomgexel.comHQ: Montréal, CanadaReported employees: 501-1,000 | Montréal, Canada | 501-1,000 | Exact match | 589 contacts → |
“GEXEL est un centre de contact clients fondé en 1998 et dont le siège social est au Québec.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Coast Professional, INCcoastprofessional.comHQ: Geneseo, NY, United StatesReported employees: 501-1,000 | Geneseo, NY, United States | 501-1,000 | Exact match | 514 contacts → |
“Coast is a top-performing call center services company that specializes in onshore omni-channel solutions, accounts receivable management, and back-office functions for public and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Advensusadvensus.comHQ: Santo Domingo, Dominican RepublicReported employees: 5,001-10,000 | Santo Domingo, Dominican Republic | 5,001-10,000 | Exact match | 459 contacts → |
“In 2006, Advensus embarked on its journey in the Dominican Republic, initially known as Nearshore, with a modest 100 telemarketing positions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Unitono Contact Centercovisian.comHQ: San Fernando De Henares, SpainReported employees: 5,001-10,000 | San Fernando De Henares, Spain | 5,001-10,000 | Exact match | 459 contacts → |
“Unitono es un referente en el sector del Contact Center.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Supportzebrasupportzebra.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 454 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Proper Business Solutionsproperbusinesssolutions.comHQ: Cairo, EgyptReported employees: 1,001-5,000 | Cairo, Egypt | 1,001-5,000 | Exact match | 447 contacts → |
“Proper Business solutions is offering a comprehensive suite of customer care call center services, outbound and lead generation, back-office and data processing solutions to…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Upcom DTSupcom.clHQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 425 contacts → |
“Nuestros servicios contribuyen al desarrollo de negocios más rentables, ya que poseemos la experiencia y tecnología que nos permite trabajar en el descubrimiento de nuevas…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Telenewstelenews.com.ecHQ: Guayaquil, EcuadorReported employees: 501-1,000 | Guayaquil, Ecuador | 501-1,000 | Exact match | 382 contacts → |
“TELENEWS es un Centro de Contacto Omnicanal con sede en Guayaquil, Ecuador, reconocido por su compromiso con la excelencia en el servicio al cliente y la innovación constante.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The Connection Contact Centertheconnectioncc.comHQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 354 contacts → |
“For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Losangolosango.com.brHQ: Rio De Janeiro, BrazilReported employees: Not recorded | Rio De Janeiro, Brazil | Not recorded | Exact match | 316 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Accueilaccueil.itHQ: Reggio Calabria, ItalyReported employees: 501-1,000 | Reggio Calabria, Italy | 501-1,000 | Exact match | 299 contacts → |
“ACCUEIL is a leading Italian company in the field of Call Center and Business Process Outsourcing Services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Voxdatavoxdata.comHQ: Montréal, QC, CanadaReported employees: 201-500 | Montréal, QC, Canada | 201-500 | Exact match | 246 contacts → |
“Since 1995, VOXDATA has been supplying outsourced call centre services, 24 hours a day, seven days a week, to meet all frontline customer relations needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 941 company matches
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Billing inquiry call centers: dataset insights
September 27, 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
935 records in the displayed employee bands.
6 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 941 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 27, 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 ↗
Billing inquiry call centers by location
3 lists · largest firstEvery Billing inquiry call centers 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 billing inquiry call centers?
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 billing inquiry call centers did RevenueBase find worldwide?
The saved snapshot records 941 matching company records, 45,240 tracked contacts and 3,883 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 27, 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 billing inquiry call centers worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/billing-inquiry-call-centers.
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 billing inquiry call centers worldwide
RevenueBase records 941 matching company records for billing inquiry call centers worldwide, with 45,240 tracked contacts and 3,883 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 27, 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 billing inquiry call centers 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 | EPX Eperformax Contact Centerseperformax.com HQ: Pasay City, PhilippinesReported employees: 5,001-10,000 | Pasay City, Philippines | 5,001-10,000 | Exact match | 3,061 contacts → |
“ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CAT Technologies Argentinacat-technologies.com HQ: Buenos Aires, ArgentinaReported employees: 1,001-5,000 | Buenos Aires, Argentina | 1,001-5,000 | Exact match | 2,221 contacts → |
“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | NCO Financial Systemsncogroup.com HQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 1,404 contacts → |
“NCO's Customer Fit Solutions are Custom Fit.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The Office Gurustheofficegurus.com HQ: St Petersburg, FL, RussiaReported employees: 1,001-5,000 | St Petersburg, FL, Russia | 1,001-5,000 | Exact match | 1,198 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Btcc Call Centerbtcc.net.br HQ: Goiânia, BrazilReported employees: 10001+ | Goiânia, Brazil | 10001+ | Exact match | 1,058 contacts → |
“Em breve uma nova página da BTCC Conexão Cliente.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Valor Globalvalorglobal.com HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,048 contacts → |
“Valor Global is a global leader in providing extraordinary customer experiences for clients across the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IBR Latamibrlatam.com HQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 744 contacts → |
“We are a company present in three countries that offers financial services, specialists in CHARGE, SALES AND FIDELIZATION, OMNICANAL TECHNOLOGY AND BACK OFFICE.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vectorsouvector.com.br HQ: Fortaleza, BrazilReported employees: 1,001-5,000 | Fortaleza, Brazil | 1,001-5,000 | Exact match | 701 contacts → |
“A VECTOR SERVIÇOS é uma empresa especializada na criação, implantação e gestão de serviços de Contact Center.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Client Services Incorporatedclientservices.com HQ: Saint Charles, MO, United StatesReported employees: 501-1,000 | Saint Charles, MO, United States | 501-1,000 | Exact match | 629 contacts → |
“Client Services, Inc.(CSI) was founded in 1987 in the heartland of America.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fastcofastcogroup.com HQ: Providencia, ChileReported employees: 1,001-5,000 | Providencia, Chile | 1,001-5,000 | Exact match | 623 contacts → |
“Impulsamos el éxito de nuestros clientes a través de soluciones personalizadas en Contact Center y experiencia al cliente.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Gexel Telecomgexel.com HQ: Montréal, CanadaReported employees: 501-1,000 | Montréal, Canada | 501-1,000 | Exact match | 589 contacts → |
“GEXEL est un centre de contact clients fondé en 1998 et dont le siège social est au Québec.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Coast Professional, INCcoastprofessional.com HQ: Geneseo, NY, United StatesReported employees: 501-1,000 | Geneseo, NY, United States | 501-1,000 | Exact match | 514 contacts → |
“Coast is a top-performing call center services company that specializes in onshore omni-channel solutions, accounts receivable management, and back-office functions for public and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Advensusadvensus.com HQ: Santo Domingo, Dominican RepublicReported employees: 5,001-10,000 | Santo Domingo, Dominican Republic | 5,001-10,000 | Exact match | 459 contacts → |
“In 2006, Advensus embarked on its journey in the Dominican Republic, initially known as Nearshore, with a modest 100 telemarketing positions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Unitono Contact Centercovisian.com HQ: San Fernando De Henares, SpainReported employees: 5,001-10,000 | San Fernando De Henares, Spain | 5,001-10,000 | Exact match | 459 contacts → |
“Unitono es un referente en el sector del Contact Center.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Supportzebrasupportzebra.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 454 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Proper Business Solutionsproperbusinesssolutions.com HQ: Cairo, EgyptReported employees: 1,001-5,000 | Cairo, Egypt | 1,001-5,000 | Exact match | 447 contacts → |
“Proper Business solutions is offering a comprehensive suite of customer care call center services, outbound and lead generation, back-office and data processing solutions to…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Upcom DTSupcom.cl HQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 425 contacts → |
“Nuestros servicios contribuyen al desarrollo de negocios más rentables, ya que poseemos la experiencia y tecnología que nos permite trabajar en el descubrimiento de nuevas…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Telenewstelenews.com.ec HQ: Guayaquil, EcuadorReported employees: 501-1,000 | Guayaquil, Ecuador | 501-1,000 | Exact match | 382 contacts → |
“TELENEWS es un Centro de Contacto Omnicanal con sede en Guayaquil, Ecuador, reconocido por su compromiso con la excelencia en el servicio al cliente y la innovación constante.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The Connection Contact Centertheconnectioncc.com HQ: Bloomington, MN, United StatesReported employees: 1,001-5,000 | Bloomington, MN, United States | 1,001-5,000 | Exact match | 354 contacts → |
“For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Losangolosango.com.br HQ: Rio De Janeiro, BrazilReported employees: Not recorded | Rio De Janeiro, Brazil | Not recorded | Exact match | 316 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Accueilaccueil.it HQ: Reggio Calabria, ItalyReported employees: 501-1,000 | Reggio Calabria, Italy | 501-1,000 | Exact match | 299 contacts → |
“ACCUEIL is a leading Italian company in the field of Call Center and Business Process Outsourcing Services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Voxdatavoxdata.com HQ: Montréal, QC, CanadaReported employees: 201-500 | Montréal, QC, Canada | 201-500 | Exact match | 246 contacts → |
“Since 1995, VOXDATA has been supplying outsourced call centre services, 24 hours a day, seven days a week, to meet all frontline customer relations needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 941 company matches
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Billing inquiry call centers: dataset insights
September 27, 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
935 records in the displayed employee bands.
6 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 941 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 27, 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 ↗
Billing inquiry call centers by location
3 lists · largest firstEvery Billing inquiry call centers 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 billing inquiry call centers?
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 billing inquiry call centers did RevenueBase find worldwide?
The saved snapshot records 941 matching company records, 45,240 tracked contacts and 3,883 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 27, 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.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 billing inquiry call centers worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/billing-inquiry-call-centers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗