Company lists · Data refreshed September 2026
Top 25 Invoicing software companies based in the United States
RevenueBase identified 79 invoicing software companies headquartered in the United States as of September 2026 and tracks 691 professional contacts across them, including 230 with verified work emails and 107 with mobile numbers. San Francisco is the largest hub.
This list covers invoicing software companies headquartered in the United States, 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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.
The 25 largest invoicing software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 29 | ||||
“It's time to wave goodbye to old-school billing and analytics software.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | 24 | ||||
“Invoice Home is a leading invoice generating software designed for the invoicing needs of small businesses, freelancers, and entrepreneurs worldwide.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 23 | ||||
“We are a mobile invoice-management application for small businesses.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 22 | ||||
“We are developers of time billing software.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 10 | ||||
“We help small and medium business owners to create professionally looking invoices, e-sign contracts, pay their freelancers and organize their accounting and taxes - all in one…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 9 | ||||
“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…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 8 | ||||
“Introducing Mima Business Inc- Your Ultimate Business Management Solution!” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 | ||||
“Akounto, redefining the financial ecosystem for Small businesses, Freelancers, and Startups.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 6 | ||||
“ZarMoney isn’t your typical off-the-shelf accounting software – it was built carefully and meticulously through several years of development to be the next-generation cloud…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 5 | ||||
“DepositFix integrates payments, invoicing, and A/R automation into CRMs and QuickBooks, helping mid-size businesses streamline cash flow and eliminate manual work.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 | ||||
“Inly is an invoicing and digital contract platform that allows you to send and manage your invoices in a simple, beautiful way.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 | ||||
“Invoice Ninja is a leading source-code available suite of apps focusing on SMB invoicing & payments.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 | ||||
“Stop using accounting software made for accountants and use software that was created for you.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 5 | ||||
“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…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 | ||||
“Online Billing and Invoicing Software for Small and Midsize Businesses.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 | ||||
“InvoiceASAP is revolutionizing the business accounting and mobile services industries.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 | ||||
“Inspired by our experience with countless businesses facing cash flow problems we knew there was a better way to get paid for their efforts.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 | ||||
“A Billing and Payments solution that seamlessly integrates with your accounting software.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | ZeeinvoicesIndirect evidence | 4 | |||
“Our motive is to uplift Startups, Small Businesses, and Freelancers with our free solution!” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 | ||||
“Creative studios have unique needs that generic accounting software and business management platforms don’t address.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 | ||||
“Hiveage helps freelancers and small businesses automate their online invoicing and billing.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 | ||||
“Other invoice tools take 3%+ of your revenue.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | GENIOIndirect evidence | 3 | |||
“Genio is the premier e-invoice generator for small business owners and freelancers.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 | ||||
“SherpaDesk builds software that makes running your business easier.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | Space InvoicesPartial evidence | 3 | |||
“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…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 79 invoicing software companies based in the United States
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Invoicing software companies based in the United States at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
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 invoicing software companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “invoicing software companies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among invoicing software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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 an evidence 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, 230 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 4, 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.
Frequently asked
How many invoicing software companies are there based in the United States?
RevenueBase identified 79 invoicing software companies headquartered in the United States 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?
Subscript, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most invoicing software companies?
San Francisco leads with 6 headquartered companies, followed by Houston (3) and New York (3).
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 230 verified decision-maker contacts tracked across these 79 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 4, 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.
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