Company lists · Data refreshed September 2026

Top 25 Client billing and invoicing software companies based in the United States

RevenueBase identified 254 company matches for client billing and invoicing software companies associated with the United States as of September 2026 and tracks 12,747 professional contacts across them, including 4,992 with verified work emails. New York is the largest hub.

This list covers company matches for client billing and invoicing software companies associated with the United States, 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.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
254Companies
12,747Contacts tracked
4,992Verified emails
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The 25 largest client billing and invoicing software companies based in the United States

Ranked by team size
Top 25 of 254 company matches for client billing and invoicing software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRedwood City, CA, United StatesHQ recorded Sep 27, 20261,001-5,0001,497 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchNorth Bethesda, MD, United StatesHQ recorded Sep 27, 20261,001-5,0001,214 contacts →

Exact match

“Over a decade ago, four friends set out to tackle the growing complexities of SaaS billing.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchCharlotte, NC, United StatesHQ recorded Sep 27, 20261,001-5,000935 contacts →

Exact match

“Paymentus® (NYSE: PAY) is the leading provider of real-time, cloud-based billing, payment, and customer engagement solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchDenver, CO, United StatesHQ recorded Sep 27, 20261,001-5,000791 contacts →

Exact match

“EverCommerce is a leading service commerce platform, providing vertically-tailored, integrated SaaS solutions that help more than global service-based businesses accelerate…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500739 contacts →

Exact match

“Elite is a leading independent technology company that helps law firms drive profitability through improved operational effectiveness, increased efficiency, and greater visibility…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchAuburn, AL, United StatesHQ recorded Sep 27, 20261,001-5,000633 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchDel Mar, CA, United StatesHQ recorded Sep 27, 2026201-500331 contacts →

Exact match

“CARET brings the latest in technology and automation to over legal and accounting firms, empowering highly skilled professionals to refocus their expertise on what truly matters.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchNashville, TN, United StatesHQ recorded Sep 27, 2026201-500313 contacts →

Exact match

“Celero Commerce offers payment processing services, business management software, and data intelligence to small and medium-sized businesses, in one holistic platform.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchEnglewood, CO, United StatesHQ recorded Sep 27, 2026201-500249 contacts →

Exact match

“BillingPlatform empowers businesses with innovative software solutions to optimize revenue generation through every stage of the customer lifecycle, powering growth through…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchAnn Arbor, MI, United StatesHQ recorded Sep 27, 2026201-500245 contacts →

Exact match

“We help businesses power their growth with software designed for their specific industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchNorcross, GA, United StatesHQ recorded Sep 27, 20261,001-5,000231 contacts →

Exact match

“TransCentra is one of the largest and most trusted billing and payments providers in the U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchIrvine, CA, United StatesHQ recorded Sep 27, 2026201-500210 contacts →

Exact match

“EBizCharge is the leading all-in-one integrated payment platform that helps businesses facilitate electronic payment processing, enhance transaction security, and increase client…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 202651-200192 contacts →

Exact match

“Rev.io is the only provider to seamlessly integrate native communication billing, professional service automation (PSA), and payment processing-delivering a comprehensive…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 27, 2026201-500168 contacts →

Exact match

“ProfitSolv is a comprehensive suite of billing, payments, and software solutions for legal, accounting, and other professional services firms including consulting, architecture…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPalo Alto, CA, United StatesHQ recorded Sep 27, 2026201-500166 contacts →

Exact match

“RecVue empowers enterprises to modernize their billing and revenue operations at speed and scale by harnessing previously untapped revenue potential and leveraging front-office…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchCupertino, CA, United StatesHQ recorded Sep 27, 202651-200130 contacts →

Exact match

“helps companies scale in the by simplifying and transforming their - operations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchDallas, TX, United StatesHQ recorded Sep 27, 2026n/a99 contacts →

Exact match

“Running a small business can feel overwhelming.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchAustin, TX, United StatesHQ recorded Sep 27, 202651-20074 contacts →

Exact match

“Gotransverse delivers a fast, flexible billing and revenue management solution.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchMclean, VA, United StatesHQ recorded Sep 27, 202651-20072 contacts →

Exact match

“Founded in 2013, BluLogix is the only billing solution provider that refines a business’s complex billing operations into a single process.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchTampa, FL, United StatesHQ recorded Sep 27, 202651-20071 contacts →

Exact match

“Payzli, living up to its tagline "for the joy of business," is at the cutting edge of payment technology.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchReston, VA, United StatesHQ recorded Sep 27, 202651-20064 contacts →

Exact match

“Congero Technology Group was founded on one truth: technology and innovation have the power to drive revenue.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-20056 contacts →

Exact match

“Skyline Payments powers B2B transactions for small and midsize businesses, directly integrating payments into ERP, accounting, and eCommerce systems.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchDenver, CO, United StatesHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“Businesses come to PaySimple with a simple, but important need – a better way to accept payments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchOverland Park, KS, United StatesHQ recorded Sep 27, 202651-20050 contacts →

Exact match

“NeuAnalytics is the enterprise intelligence platform that helps creditors and lenders manage receivables, ensure compliance, and run case management, all in one place.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchAustin, TX, United StatesHQ recorded Sep 27, 2026201-50048 contacts →

Exact match

“CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 254 client billing and invoicing software companies based in the United States

See the full list, filter by size, metro and specialty, and access 4,992 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Client billing and invoicing software companies based in the United States at a glance

As of Sep 27, 2026
39.2%Verified-email coverage
50.2Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
131
11-50
69
51-200
30
201-500
12
501-1,000
1
1,001-5,000
9
5,001-10,000
1
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 254 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “client billing and invoicing software 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,992 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.

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 “client billing and invoicing software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many client billing and invoicing software companies are there based in the United States?

RevenueBase identified 254 company matches for client billing and invoicing software companies associated with the United States 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?

ZUORA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most client billing and invoicing software companies?

New York leads with 11 company records, followed by San Francisco (10) and Austin (6).

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 4,992 professional contacts with verified work emails tracked across these 254 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.

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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.