Company lists · Data refreshed September 2026
Top 25 Billing and customer service software companies worldwide
RevenueBase identified 1,703 billing and customer service software companies worldwide as of September 2026 and tracks 24,404 professional contacts across them, including 7,101 with verified work emails. The United States is the largest market and Austin the largest hub.
This list covers billing and customer service software companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026. Country and city lists for billing and customer service software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest billing and customer service software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,497 contacts → | ||||
Indirect evidence “Zuora was born out of a vision that we could evangelize a fundamentally new way of doing business by shifting the focus of companies to deliver recurring, people-centric services…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,214 contacts → | ||||
Partial evidence “Over a decade ago, four friends set out to tackle the growing complexities of SaaS billing.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,143 contacts → | ||||
Indirect evidence “O Asaas é uma empresa brasileira com investidores globais que ajuda autônomos, MEIs e grandes empresas a automatizar e profissionalizar os processos financeiros, melhorando o…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,062 contacts → | ||||
Strong evidence “Vyapar is the simplest and easy to use Billing, Accounting and Inventory management software.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 935 contacts → | ||||
Strong evidence “Paymentus® (NYSE: PAY) is the leading provider of real-time, cloud-based billing, payment, and customer engagement solutions.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 757 contacts → | ||||
Indirect evidence “Intec is now CSG International.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 645 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 633 contacts → | ||||
Partial evidence “Backed by Aquiline Capital Partners and ADIA, Fullsteam is a dynamic and growing team of over 2,100 employees committed to driving innovation and delivering best-in-class software…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 275 contacts → | ||||
Partial evidence “EMS|MC is the largest billing services provider focused exclusively on emergency medical services in the United States.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 262 contacts → | ||||
Indirect evidence “Independente” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 254 contacts → | ||||
Partial evidence “Exponere Billing, LLC is among the leading billing companies.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 252 contacts → | ||||
Strong evidence “Our comprehensive suite of solutions includes medical billing and clinical software, bureau services, and value-added services that free up valuable time for practitioners to…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 249 contacts → | ||||
Strong evidence “BillingPlatform empowers businesses with innovative software solutions to optimize revenue generation through every stage of the customer lifecycle, powering growth through…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 242 contacts → | ||||
Indirect evidence “In today’s on-demand world, enterprises need the agility to adapt at market speed.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 231 contacts → | ||||
Partial evidence “TransCentra is one of the largest and most trusted billing and payments providers in the U.S.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 228 contacts → | ||||
Partial evidence “Founded in 2013, Ignition is the recurring revenue and billing automation platform for firms and agencies to transform their sales, billing and payment processes.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 192 contacts → | ||||
Partial evidence “Rev.io is the only provider to seamlessly integrate native communication billing, professional service automation (PSA), and payment processing-delivering a comprehensive…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 180 contacts → | ||||
Partial evidence “Sellsy is a CRM, invoicing and pre-accounting suite for optimized business management and customer experience.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 176 contacts → | ||||
Indirect evidence “Zealie automates many touch points for the Behavioral Health and Substance Abuse Treatment Revenue Cycle Management (RCM) industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 174 contacts → | ||||
Partial evidence “At Right Medical Billing Company (RMB), we are dedicated to providing top-notch Medical Billing and Revenue Cycle Management services tailored to the specific needs of healthcare…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 168 contacts → | ||||
Strong evidence “ProfitSolv is a comprehensive suite of billing, payments, and software solutions for legal, accounting, and other professional services firms including consulting, architecture…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 166 contacts → | ||||
Partial evidence “RecVue empowers enterprises to modernize their billing and revenue operations at speed and scale by harnessing previously untapped revenue potential and leveraging front-office…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 142 contacts → | ||||
Strong evidence “DRD Communications & Software Private Limited is a subsidiary of DRD Communications Ltd, UK to provide software development and support services to telecom billing.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 134 contacts → | ||||
Strong evidence “MIND is a leading provider of convergent real-time end-to-end billing and customer care product based solutions as well as call accounting solutions for organizations and large…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 132 contacts → | ||||
Partial evidence “Regulus Group is the premier provider of outsourced billing and payment services designed to accelerate cash, improve corporate productivity and reduce overall management costs.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: billing and customer service software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names billing and customer service software companies.
- Partial evidence
- Its own public description names part of billing and customer service software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name billing and customer service software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,703 billing and customer service software companies worldwide
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Billing and customer service software 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
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among billing and customer service software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for billing and customer service software companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “billing and customer service software companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names billing and customer service software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among billing and customer service software companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 7,101 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Billing and customer service software companies by location
9 lists · largest firstEvery Billing and customer service software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Billing and customer service software companies based in the United States681
- Billing and customer service software companies based in India161
- Billing and customer service software companies based in Brazil60
- Billing and customer service software companies based in Germany52
- Billing and customer service software companies based in Canada37
- Billing and customer service software companies based in the United Kingdom34
- Billing and customer service software companies based in Australia28
- Billing and customer service software companies based in France26
- Billing and customer service software companies based in the Netherlands25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names billing and customer service software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many billing and customer service software companies are there worldwide?
RevenueBase identified 1,703 billing and customer service software companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
ZUORA, headquartered in Redwood City, tops this list with the largest team on record.
Which country has the most billing and customer service software companies?
The United States leads with 681 companies, followed by India (161) and Brazil (60). Every billing and customer service software companies list by country and city is linked on this page.
Which city has the most billing and customer service software companies?
Austin leads with 24 headquartered companies, followed by New York (23) and Chennai (21).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,101 verified decision-maker contacts tracked across these 1,703 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.