Company lists · Data refreshed September 2026

Top 23 Invoice and billing software startups based in the United States

RevenueBase identified 68 company matches for invoice and billing software startups associated with the United States as of September 2026 and tracks 3,050 professional contacts across them, including 203 with verified work emails. Houston is the largest hub.

This list covers company matches for invoice and billing software startups 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 28, 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 28, 2026 How this list was built
68Companies
3,050Contacts tracked
203Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 23 largest invoice and billing software startups based in the United States

Ranked by team size
Top 23 of 68 company matches for invoice and billing software startups based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchWest Palm Beach, FL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, United StatesHQ recorded Sep 28, 202611-5029 contacts →

Exact match

“It's time to wave goodbye to old-school billing and analytics software.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“Invoice Home is a leading invoice generating software designed for the invoicing needs of small businesses, freelancers, and entrepreneurs worldwide.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchTampa, FL, United StatesHQ recorded Sep 28, 20261-1023 contacts →

Exact match

“We are a mobile invoice-management application for small businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchEagan, MN, United StatesHQ recorded Sep 28, 202611-5022 contacts →

Exact match

“We are developers of time billing software.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchJanesville, WI, United StatesHQ recorded Sep 28, 202611-5019 contacts →

Exact match

“Crystal Computer Consulting was founding in 1990, with the original mission to build customized business management and accounting packages for small to medium businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchRedwood City, CA, United StatesHQ recorded Sep 28, 202651-20014 contacts →

Exact match

“Invoice2go from BILL is a mobile invoicing solution that helps small business owners run and grow their business their way.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchWest Chester, PA, United StatesHQ recorded Sep 28, 20261-1010 contacts →

Exact match

“Skynova is as SaaS company, established in 2011, providing web-based business tools to small businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchFargo, ND, United StatesHQ recorded Sep 28, 202611-509 contacts →

Exact match

“ConnectBooster, a Kaseya company, is a software platform that eliminates monthly accounting tasks, slashes payment fees, and automatically cuts the time from sending invoices to…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchFrisco, TX, United StatesHQ recorded Sep 28, 202611-505 contacts →

Exact match

“DepositFix integrates payments, invoicing, and A/R automation into CRMs and QuickBooks, helping mid-size businesses streamline cash flow and eliminate manual work.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchFort Myers, FL, United StatesHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Invoice Ninja is a leading source-code available suite of apps focusing on SMB invoicing & payments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSt. Petersburg, FL, United StatesHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Cloudbooks is an easy-to-use online invoicing software with time tracking that helps you send invoices for your projects and customer expenses, receive payments and track the…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchOakland, CA, United StatesHQ recorded Sep 28, 202611-504 contacts →

Exact match

“InvoiceASAP is revolutionizing the business accounting and mobile services industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchNashville, TN, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“A Billing and Payments solution that seamlessly integrates with your accounting software.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchSacramento, CA, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Inspired by our experience with countless businesses facing cash flow problems we knew there was a better way to get paid for their efforts.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202611-503 contacts →

Exact match

“Genio is the premier e-invoice generator for small business owners and freelancers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchSan Mateo, CA, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Off-the-shelf invoicing API and UI, our customers dramatically reduce their time-to-market from weeks or months to just days while simultaneously providing a new revenue stream by…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchExcelsior, MN, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“We Help Businesses Get Paid!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchBensalem, PA, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“QuickQore is cloud-based bookkeeping software built specifically for the realities of US pizza shops, multi-location restaurant operators, and franchise businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchElk Grove, CA, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchMckinney, TX, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Ichor Solutions specializes in providing Invoice Automation systems and solutions as well as assisting customers with improving all data capture projects.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchNewtown, PA, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“LiquidInvoice has been created for the purpose of automating invoicing and payments processes for small to mid-size businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchBaton Rouge, LA, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Business management software follows natural flow from contacts,quotes,orders,scheduling,accounting,inventory,marketing,receivables,payables to financials”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 23 of 68 invoice and billing software startups based in the United States

See the full list, filter by size, metro and specialty, and access 203 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Invoice and billing software startups based in the United States at a glance

As of Sep 28, 2026
6.7%Verified-email coverage
44.9Average contacts per company
1-10Median size (employees)
5.9%Largest-city concentration · Houston
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
44
11-50
18
51-200
2
201-500
1
501-1,000
1
1,001-5,000
2

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 68 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 “invoice and billing software startups” 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 203 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

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

How many invoice and billing software startups are there based in the United States?

RevenueBase identified 68 company matches for invoice and billing software startups 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?

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

Which city has the most invoice and billing software startups?

Houston leads with 4 company records, followed by San Francisco (4) and Dover (2).

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 203 professional contacts with verified work emails tracked across these 68 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 68 invoice and billing software startups based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.