Company lists · Data refreshed September 2026

Top 25 Invoicing accounting software companies based in the United States

Name: Invoicing accounting software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 102 companies tracked

RevenueBase identified 102 invoicing accounting software companies headquartered in the United States as of September 2026 and tracks 2,996 professional contacts across them, including 134 with verified work emails and 1,347 with mobile numbers. New York is the largest hub.

This list covers invoicing accounting 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.

How to read this list Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

102Companies

2,996Contacts tracked

134Verified emails

1,347Mobile numbers

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The 25 largest invoicing accounting software companies based in the United States

Ranked by team size

Top 25 of 102 invoicing accounting software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names invoicing accounting software companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Accountmate Software CorporationStrong evidence	Petaluma, CA, United StatesHQ checked Sep 4, 2026	11-50	47
	“AccountMate Software Corporation Founded in 1984, AccountMate develops and markets fully modifiable business accounting software.” Source: company website · checked Sep 4, 2026
2	KICKStrong evidence	Palo Alto, CA, United StatesHQ checked Sep 4, 2026	11-50	27
	“Kick is accounting software that does the work for you.” Source: company website · checked Sep 4, 2026
3	Invoice Home INCStrong evidence	Austin, TX, United StatesHQ checked Sep 4, 2026	11-50	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, 2026
4	Invoice Maker LLCIndirect evidence	Tampa, FL, United StatesHQ checked Sep 4, 2026	1-10	23
	“We are a mobile invoice-management application for small businesses.” Source: company website · checked Sep 4, 2026
5	Timesolv CorporationPartial evidence	Eagan, MN, United StatesHQ checked Sep 4, 2026	11-50	22
	“We are developers of time billing software.” Source: company website · checked Sep 4, 2026
6	Crystal Computer ConsultingPartial evidence	Janesville, WI, United StatesHQ checked Sep 4, 2026	11-50	19
	“Crystal Computer Consulting was founding in 1990, with the original mission to build customized business management and accounting packages for small to medium businesses.” Source: company website · checked Sep 4, 2026
7	MAROOPartial evidence	New York, NY, United StatesHQ checked Sep 4, 2026	11-50	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, 2026
8	BiztechnologiesStrong evidence	Lewis Center, OH, United StatesHQ checked Sep 4, 2026	11-50	8
	“BizTechnologies is the developer of BizSight 365, financial accounting software for Small Business, available in partnership with Microsoft Azure.” Source: company website · checked Sep 4, 2026
9	Mima Business INCIndirect evidence	Wilmington, DE, United StatesHQ checked Sep 4, 2026	11-50	8
	“Introducing Mima Business Inc- Your Ultimate Business Management Solution!” Source: company website · checked Sep 4, 2026
10	AkountoIndirect evidence	Sheridan, WY, United StatesHQ checked Sep 4, 2026	11-50	7
	“Akounto, redefining the financial ecosystem for Small businesses, Freelancers, and Startups.” Source: company website · checked Sep 4, 2026
11	Zarmoney Accounting SoftwareStrong evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	11-50	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, 2026
12	Invoice NinjaPartial evidence	Fort Myers Fort Myers, FL, United StatesHQ checked Sep 4, 2026	1-10	5
	“Invoice Ninja is a leading source-code available suite of apps focusing on SMB invoicing & payments.” Source: company website · checked Sep 4, 2026
13	Less AccountingStrong evidence	DE, United StatesHQ checked Sep 4, 2026	1-10	5
	“Stop using accounting software made for accountants and use software that was created for you.” Source: company website · checked Sep 4, 2026
14	LEDGRIndirect evidence	Underhill, VT, United StatesHQ checked Sep 4, 2026	11-50	5
	“Ledgr is a business service, insights, and analytics company that specializes in helping small business owners and entrepreneurs simplify their financial environments.” Source: company website · checked Sep 4, 2026
15	Onestep SolutionsStrong evidence	San Jose, CA, United StatesHQ checked Sep 4, 2026	51-200	5
	“We are a leading company providing accounting software solutions and accounting services to a clientele of more than companies.” Source: company website · checked Sep 4, 2026
16	CloudbooksStrong evidence	St. Petersburg, FL, United StatesHQ checked Sep 4, 2026	11-50	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, 2026
17	VatpayStrong evidence	Atlanta, GA, United StatesHQ checked Sep 4, 2026	11-50	4
	“Online Billing and Invoicing Software for Small and Midsize Businesses.” Source: company website · checked Sep 4, 2026
18	InvoiceasapPartial evidence	Oakland, CA, United StatesHQ checked Sep 4, 2026	11-50	4
	“InvoiceASAP is revolutionizing the business accounting and mobile services industries.” Source: company website · checked Sep 4, 2026
19	InvoicesherpaIndirect evidence	Sacramento, CA, United StatesHQ checked Sep 4, 2026	1-10	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, 2026
20	ZeeinvoicesIndirect evidence	Dallas, TX, United StatesHQ checked Sep 4, 2026	11-50	4
	“Our motive is to uplift Startups, Small Businesses, and Freelancers with our free solution!” Source: company website · checked Sep 4, 2026
21	StudioworksStrong evidence	Boulder, CO, United StatesHQ checked Sep 4, 2026	1-10	3
	“Creative studios have unique needs that generic accounting software and business management platforms don’t address.” Source: company website · checked Sep 4, 2026
22	HiveagePartial evidence	Boston, MA, United StatesHQ checked Sep 4, 2026	11-50	3
	“Hiveage helps freelancers and small businesses automate their online invoicing and billing.” Source: company website · checked Sep 4, 2026
23	GENIOIndirect evidence	San Francisco, CA, United StatesHQ checked Sep 4, 2026	11-50	3
	“Genio is the premier e-invoice generator for small business owners and freelancers.” Source: company website · checked Sep 4, 2026
24	Space InvoicesPartial evidence	San Mateo, CA, United StatesHQ checked Sep 4, 2026	1-10	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, 2026
25	Accounting Solutions PllcStrong evidence	Charlottesville, United States	1-10	2
	“ENHANCE YOUR FINANCIAL STATUS When you need computerized bookkeeping and accounting software, turn to Accounting Solutions PLLC in Charlottesville, VA.” Source: company website · checked Sep 4, 2026

Showing 25 of 102 invoicing accounting software companies based in the United States

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Invoicing accounting software companies based in the United States at a glance

As of Sep 4, 2026

1-10Median size (employees)

New YorkLargest hub · 5 HQs

1,347Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Verified emails by last verification

0–30

31–60

61–90

90–180

180+

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 accounting 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 accounting 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 accounting 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, 134 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 accounting software companies are there based in the United States?

RevenueBase identified 102 invoicing accounting 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?

Accountmate Software Corporation, headquartered in Petaluma, tops this list with the largest team on record.

Which city has the most invoicing accounting software companies?

New York leads with 5 headquartered companies, followed by Houston (4) and Los Angeles (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 134 verified decision-maker contacts tracked across these 102 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.