Company lists · Data refreshed September 2026
Top 25 Billing and invoicing outsourcing companies worldwide
RevenueBase identified 3,689 company matches for billing and invoicing outsourcing companies worldwide as of September 2026 and tracks 61,756 professional contacts across them, including 9,471 with verified work emails. The United States is the largest market and Ahmedabad the largest hub.
This list covers company matches for billing and invoicing 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 27, 2026. Country and city lists for billing and invoicing 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 billing and invoicing outsourcing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,677 contacts → | ||||
Exact match “Transworld Systems Inc.(TSI) stands as the leading tech-driven provider in Accounts Receivable Management (ARM), Healthcare Revenue Cycle Management (RCM), Customer Experience…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 1,969 contacts → | ||||
Exact match “Headquartered in Dallas, TX with over 2,500 employees worldwide, Credence Global Solutions offers technology, human resources and offsite infrastructure solutions and services…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 1,739 contacts → | ||||
Exact match “Radius Global Solutions is a leading provider of accounts receivable, customer relations and revenue cycle management solutions.” 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 | 1,021 contacts → | ||||
Exact match “D&V Philippines is a finance and accounting outsourcing company that helps CFOs, accounting firms, audit firms, and other professional services firms build reliable offshore…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 879 contacts → | ||||
Exact match “Started operation on 2004 with 25 employees, Currently iMarque has grown into a powerhouse of over professionals today, consistently achieving an impressive 40% average annual…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 831 contacts → | ||||
Exact match “IQ BackOffice is the leading accounting Business Process Outsourcing and Automation provider, offering 99.97% quality and up to 68% savings to companies around the globe.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 645 contacts → | ||||
Exact match “e-care India is one of the leading medical billing companies in India that provides a wide range of services to medical billing companies, Physicians, and Healthcare facilities in…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 571 contacts → | ||||
Exact match “Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 527 contacts → | ||||
Exact match “QWay Technologies QWay is a global business outsourcing provider with a strong background of Revenue Cycle Management and providing customer support.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 527 contacts → | ||||
Exact match “Cameo Corporate Services Limited is a Business Process Outsourcing firm headquartered in Chennai, India.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 477 contacts → | ||||
Exact match “Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 455 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 447 contacts → | ||||
Exact match “Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 421 contacts → | ||||
Exact match “Are you tired of dealing with the hassle of medical billing and administrative tasks?” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 418 contacts → | ||||
Exact match “Tessi IBERIA nace en 1.997 y aunque en el inicio se centra en la gestión hipotecaria, ya desde sus orígenes nace con unos valores fundamentales, que todavía hoy perviven, y…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 404 contacts → | ||||
Exact match “We are OBP.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 330 contacts → | ||||
Exact match “Nuestra Misión Brindamos soluciones y servicios de recuperación y normalización de cuentas por cobrar de personas y empresas en diversas industrias.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 328 contacts → | ||||
Exact match “Process Solutions (PS) is a group providing Business Process Outsourcing services, operating an independent accounting business in the Central European region.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 320 contacts → | ||||
Exact match “Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 311 contacts → | ||||
Exact match “GI Outsourcing is a UK-based accountants outsourcing firm.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 310 contacts → | ||||
Exact match “BDO Solutions is a Business Services & Outsourcing company located in Mauritius and forms part of the international BDO network, which extends across 166 countries and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 309 contacts → | ||||
Exact match “Anion is an ISO 27001:2013 and HIPAA compliant organization operating in the field of Healthcare Services, providing Back Office data processing (BPO) for Providers/Physicians…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 309 contacts → | ||||
Exact match “SPED Consulting BPO Bussiness Process Outsourcing Receivables Management and Control Accouting an Financial Adminsitration Inteligence and Management Processes of Recovery…” 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 and invoicing 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 3,689 billing and invoicing outsourcing companies worldwide
See the full list, filter by size, metro and specialty, and access 9,471 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Billing and invoicing outsourcing companies 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 and invoicing outsourcing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “billing and invoicing 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 9,471 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 and invoicing outsourcing companies by location
14 lists · largest firstEvery Billing and invoicing outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Billing and invoicing outsourcing companies based in the United States1,218
- Billing and invoicing outsourcing companies based in India523
- Billing and invoicing outsourcing companies based in Brazil282
- Billing and invoicing outsourcing companies based in the United Kingdom106
- Billing and invoicing outsourcing companies based in Pakistan93
- Billing and invoicing outsourcing companies based in Germany64
- Billing and invoicing outsourcing companies based in Australia54
- Billing and invoicing outsourcing companies based in the Philippines52
- Billing and invoicing outsourcing companies based in France51
- Billing and invoicing outsourcing companies based in the Netherlands45
- Billing and invoicing outsourcing companies based in Canada43
- Billing and invoicing outsourcing companies based in South Africa35
Cities
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 and invoicing outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many billing and invoicing outsourcing companies are there worldwide?
RevenueBase identified 3,689 company matches for billing and invoicing 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?
TSI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most billing and invoicing outsourcing companies?
The United States leads with 1,218 companies, followed by India (523) and Brazil (282). Every billing and invoicing outsourcing companies list by country and city is linked on this page.
Which city has the most billing and invoicing outsourcing companies?
Ahmedabad leads with 77 company records, followed by Sao Paulo (63) and Lahore (40).
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 9,471 professional contacts with verified work emails tracked across these 3,689 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 3,689 billing and invoicing 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 billing and invoicing 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 3,689 matching company records for billing and invoicing outsourcing companies worldwide, with 61,756 tracked contacts and 9,471 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 and invoicing 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 |  TSItsico.comHQ: Fort Washington, WA, United StatesReported employees: 10001+ | Fort Washington, WA, United States | 10001+ | Exact match | 3,677 contacts → |
“Transworld Systems Inc.(TSI) stands as the leading tech-driven provider in Accounts Receivable Management (ARM), Healthcare Revenue Cycle Management (RCM), Customer Experience…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Credence Global Solutionscredencegs.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,969 contacts → |
“Headquartered in Dallas, TX with over 2,500 employees worldwide, Credence Global Solutions offers technology, human resources and offsite infrastructure solutions and services…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Radius Global Solutions LLCradiusgs.comHQ: Ambler, PA, United StatesReported employees: 1,001-5,000 | Ambler, PA, United States | 1,001-5,000 | Exact match | 1,739 contacts → |
“Radius Global Solutions is a leading provider of accounts receivable, customer relations and revenue cycle management solutions.” 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 |  D&v Philippinesdvphilippines.comHQ: Makati, PhilippinesReported employees: 1,001-5,000 | Makati, Philippines | 1,001-5,000 | Exact match | 1,021 contacts → |
“D&V Philippines is a finance and accounting outsourcing company that helps CFOs, accounting firms, audit firms, and other professional services firms build reliable offshore…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Imarque Solutions Pvt. LTDimarque.comHQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 879 contacts → |
“Started operation on 2004 with 25 employees, Currently iMarque has grown into a powerhouse of over professionals today, consistently achieving an impressive 40% average annual…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  IQ Backofficeiqbackoffice.comHQ: Manila, PhilippinesReported employees: 501-1,000 | Manila, Philippines | 501-1,000 | Exact match | 831 contacts → |
“IQ BackOffice is the leading accounting Business Process Outsourcing and Automation provider, offering 99.97% quality and up to 68% savings to companies around the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ecare India PVT LTDecareindia.comHQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 645 contacts → |
“e-care India is one of the leading medical billing companies in India that provides a wide range of services to medical billing companies, Physicians, and Healthcare facilities in…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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. | |||||
| 10 |  Metriqe Solutionsmetriqe.comHQ: Irving, TX, United StatesReported employees: 201-500 | Irving, TX, United States | 201-500 | Exact match | 571 contacts → |
“Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Qway Technologiesqwayhealthcare.comHQ: Princeton, NJ, United StatesReported employees: 501-1,000 | Princeton, NJ, United States | 501-1,000 | Exact match | 527 contacts → |
“QWay Technologies QWay is a global business outsourcing provider with a strong background of Revenue Cycle Management and providing customer support.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cameo Corporate Servicescameoindia.comHQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 527 contacts → |
“Cameo Corporate Services Limited is a Business Process Outsourcing firm headquartered in Chennai, India.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Outbooksoutbooks.co.ukHQ: Harrow, United KingdomReported employees: 201-500 | Harrow, United Kingdom | 201-500 | Exact match | 477 contacts → |
“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Physicians Revenue Group, INCprgmd.comHQ: Downers Grove, IL, United StatesReported employees: 1,001-5,000 | Downers Grove, IL, United States | 1,001-5,000 | Exact match | 455 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Velan Info Servicesvelaninfo.comHQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 447 contacts → |
“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ACE MED Assist Your Trusted Billing Partneracemedassist.com HQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 421 contacts → |
“Are you tired of dealing with the hassle of medical billing and administrative tasks?” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Diagonal Gest, SLdiagonalcompany.comHQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 418 contacts → |
“Tessi IBERIA nace en 1.997 y aunque en el inicio se centra en la gestión hipotecaria, ya desde sus orígenes nace con unos valores fundamentales, que todavía hoy perviven, y…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Offshore Business Processingoffshorebusinessprocessing.comHQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 404 contacts → |
“We are OBP.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Serbancserbanc.clHQ: Santiago De Chile, ChileReported employees: 201-500 | Santiago De Chile, Chile | 201-500 | Exact match | 330 contacts → |
“Nuestra Misión Brindamos soluciones y servicios de recuperación y normalización de cuentas por cobrar de personas y empresas en diversas industrias.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Process Solutionsps-bpo.comHQ: Budapest, HungaryReported employees: 201-500 | Budapest, Hungary | 201-500 | Exact match | 328 contacts → |
“Process Solutions (PS) is a group providing Business Process Outsourcing services, operating an independent accounting business in the Central European region.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Unison Globusunisonglobus.comHQ: Coral Springs, FL, United StatesReported employees: 201-500 | Coral Springs, FL, United States | 201-500 | Exact match | 320 contacts → |
“Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  GI Outsourcinggioutsourcing.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 311 contacts → |
“GI Outsourcing is a UK-based accountants outsourcing firm.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  BDO Solutionsbdo.solutionsHQ: Moka, MauritiusReported employees: 501-1,000 | Moka, Mauritius | 501-1,000 | Exact match | 310 contacts → |
“BDO Solutions is a Business Services & Outsourcing company located in Mauritius and forms part of the international BDO network, which extends across 166 countries and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Anion Healthcare Servicesanion.comHQ: Hyderabad, IndiaReported employees: 501-1,000 | Hyderabad, India | 501-1,000 | Exact match | 309 contacts → |
“Anion is an ISO 27001:2013 and HIPAA compliant organization operating in the field of Healthcare Services, providing Back Office data processing (BPO) for Providers/Physicians…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Grupo Asserthgrupoasserth.com.brHQ: São Paulo, BrazilReported employees: 501-1,000 | São Paulo, Brazil | 501-1,000 | Exact match | 309 contacts → |
“SPED Consulting BPO Bussiness Process Outsourcing Receivables Management and Control Accouting an Financial Adminsitration Inteligence and Management Processes of Recovery…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,689 company matches
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Billing and invoicing outsourcing companies: 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
3,677 records in the displayed employee bands.
12 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 3,689 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 and invoicing outsourcing companies by location
14 lists · largest firstEvery Billing and invoicing outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Billing and invoicing outsourcing companies based in the United States1,218
- Billing and invoicing outsourcing companies based in India523
- Billing and invoicing outsourcing companies based in Brazil282
- Billing and invoicing outsourcing companies based in the United Kingdom106
- Billing and invoicing outsourcing companies based in Pakistan93
- Billing and invoicing outsourcing companies based in Germany64
- Billing and invoicing outsourcing companies based in Australia54
- Billing and invoicing outsourcing companies based in the Philippines52
- Billing and invoicing outsourcing companies based in France51
- Billing and invoicing outsourcing companies based in the Netherlands45
- Billing and invoicing outsourcing companies based in Canada43
- Billing and invoicing outsourcing companies based in South Africa35
Cities
Questions about this company list
What does Exact match mean for billing and invoicing 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 billing and invoicing outsourcing companies did RevenueBase find worldwide?
The saved snapshot records 3,689 matching company records, 61,756 tracked contacts and 9,471 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 and invoicing outsourcing companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/billing-and-invoicing-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 billing and invoicing outsourcing companies worldwide
RevenueBase records 3,689 matching company records for billing and invoicing outsourcing companies worldwide, with 61,756 tracked contacts and 9,471 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 and invoicing 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 | TSItsico.com HQ: Fort Washington, WA, United StatesReported employees: 10001+ | Fort Washington, WA, United States | 10001+ | Exact match | 3,677 contacts → |
“Transworld Systems Inc.(TSI) stands as the leading tech-driven provider in Accounts Receivable Management (ARM), Healthcare Revenue Cycle Management (RCM), Customer Experience…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Credence Global Solutionscredencegs.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,969 contacts → |
“Headquartered in Dallas, TX with over 2,500 employees worldwide, Credence Global Solutions offers technology, human resources and offsite infrastructure solutions and services…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Radius Global Solutions LLCradiusgs.com HQ: Ambler, PA, United StatesReported employees: 1,001-5,000 | Ambler, PA, United States | 1,001-5,000 | Exact match | 1,739 contacts → |
“Radius Global Solutions is a leading provider of accounts receivable, customer relations and revenue cycle management solutions.” 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 | D&v Philippinesdvphilippines.com HQ: Makati, PhilippinesReported employees: 1,001-5,000 | Makati, Philippines | 1,001-5,000 | Exact match | 1,021 contacts → |
“D&V Philippines is a finance and accounting outsourcing company that helps CFOs, accounting firms, audit firms, and other professional services firms build reliable offshore…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Imarque Solutions Pvt. LTDimarque.com HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 879 contacts → |
“Started operation on 2004 with 25 employees, Currently iMarque has grown into a powerhouse of over professionals today, consistently achieving an impressive 40% average annual…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | IQ Backofficeiqbackoffice.com HQ: Manila, PhilippinesReported employees: 501-1,000 | Manila, Philippines | 501-1,000 | Exact match | 831 contacts → |
“IQ BackOffice is the leading accounting Business Process Outsourcing and Automation provider, offering 99.97% quality and up to 68% savings to companies around the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ecare India PVT LTDecareindia.com HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 645 contacts → |
“e-care India is one of the leading medical billing companies in India that provides a wide range of services to medical billing companies, Physicians, and Healthcare facilities in…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | Metriqe Solutionsmetriqe.com HQ: Irving, TX, United StatesReported employees: 201-500 | Irving, TX, United States | 201-500 | Exact match | 571 contacts → |
“Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Qway Technologiesqwayhealthcare.com HQ: Princeton, NJ, United StatesReported employees: 501-1,000 | Princeton, NJ, United States | 501-1,000 | Exact match | 527 contacts → |
“QWay Technologies QWay is a global business outsourcing provider with a strong background of Revenue Cycle Management and providing customer support.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cameo Corporate Servicescameoindia.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 527 contacts → |
“Cameo Corporate Services Limited is a Business Process Outsourcing firm headquartered in Chennai, India.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Outbooksoutbooks.co.uk HQ: Harrow, United KingdomReported employees: 201-500 | Harrow, United Kingdom | 201-500 | Exact match | 477 contacts → |
“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Physicians Revenue Group, INCprgmd.com HQ: Downers Grove, IL, United StatesReported employees: 1,001-5,000 | Downers Grove, IL, United States | 1,001-5,000 | Exact match | 455 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Velan Info Servicesvelaninfo.com HQ: Dover, DE, United StatesReported employees: 201-500 | Dover, DE, United States | 201-500 | Exact match | 447 contacts → |
“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ACE MED Assist Your Trusted Billing Partneracemedassist.com HQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 421 contacts → |
“Are you tired of dealing with the hassle of medical billing and administrative tasks?” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Diagonal Gest, SLdiagonalcompany.com HQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 418 contacts → |
“Tessi IBERIA nace en 1.997 y aunque en el inicio se centra en la gestión hipotecaria, ya desde sus orígenes nace con unos valores fundamentales, que todavía hoy perviven, y…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Offshore Business Processingoffshorebusinessprocessing.com HQ: Melbourne, AustraliaReported employees: 501-1,000 | Melbourne, Australia | 501-1,000 | Exact match | 404 contacts → |
“We are OBP.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Serbancserbanc.cl HQ: Santiago De Chile, ChileReported employees: 201-500 | Santiago De Chile, Chile | 201-500 | Exact match | 330 contacts → |
“Nuestra Misión Brindamos soluciones y servicios de recuperación y normalización de cuentas por cobrar de personas y empresas en diversas industrias.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Process Solutionsps-bpo.com HQ: Budapest, HungaryReported employees: 201-500 | Budapest, Hungary | 201-500 | Exact match | 328 contacts → |
“Process Solutions (PS) is a group providing Business Process Outsourcing services, operating an independent accounting business in the Central European region.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Unison Globusunisonglobus.com HQ: Coral Springs, FL, United StatesReported employees: 201-500 | Coral Springs, FL, United States | 201-500 | Exact match | 320 contacts → |
“Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | GI Outsourcinggioutsourcing.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 311 contacts → |
“GI Outsourcing is a UK-based accountants outsourcing firm.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | BDO Solutionsbdo.solutions HQ: Moka, MauritiusReported employees: 501-1,000 | Moka, Mauritius | 501-1,000 | Exact match | 310 contacts → |
“BDO Solutions is a Business Services & Outsourcing company located in Mauritius and forms part of the international BDO network, which extends across 166 countries and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Anion Healthcare Servicesanion.com HQ: Hyderabad, IndiaReported employees: 501-1,000 | Hyderabad, India | 501-1,000 | Exact match | 309 contacts → |
“Anion is an ISO 27001:2013 and HIPAA compliant organization operating in the field of Healthcare Services, providing Back Office data processing (BPO) for Providers/Physicians…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Grupo Asserthgrupoasserth.com.br HQ: São Paulo, BrazilReported employees: 501-1,000 | São Paulo, Brazil | 501-1,000 | Exact match | 309 contacts → |
“SPED Consulting BPO Bussiness Process Outsourcing Receivables Management and Control Accouting an Financial Adminsitration Inteligence and Management Processes of Recovery…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Billing and invoicing outsourcing companies: 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
3,677 records in the displayed employee bands.
12 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 3,689 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 and invoicing outsourcing companies by location
14 lists · largest firstEvery Billing and invoicing outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Billing and invoicing outsourcing companies based in the United States1,218
- Billing and invoicing outsourcing companies based in India523
- Billing and invoicing outsourcing companies based in Brazil282
- Billing and invoicing outsourcing companies based in the United Kingdom106
- Billing and invoicing outsourcing companies based in Pakistan93
- Billing and invoicing outsourcing companies based in Germany64
- Billing and invoicing outsourcing companies based in Australia54
- Billing and invoicing outsourcing companies based in the Philippines52
- Billing and invoicing outsourcing companies based in France51
- Billing and invoicing outsourcing companies based in the Netherlands45
- Billing and invoicing outsourcing companies based in Canada43
- Billing and invoicing outsourcing companies based in South Africa35
Cities
Questions about this company list
What does Exact match mean for billing and invoicing 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 billing and invoicing outsourcing companies did RevenueBase find worldwide?
The saved snapshot records 3,689 matching company records, 61,756 tracked contacts and 9,471 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
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Cite this list
RevenueBase Data Team. Top 25 billing and invoicing outsourcing companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/billing-and-invoicing-outsourcing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗