Company lists · Data refreshed September 2026

Top 25 Api accounting software companies based in the United States

RevenueBase identified 156 api accounting software companies headquartered in the United States as of September 2026 and tracks 4,099 professional contacts across them, including 448 with verified work emails. New York is the largest hub.

This list covers api 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
156Companies
4,099Contacts tracked
448Verified emails
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The 25 largest api accounting software companies based in the United States

Ranked by team size
Top 25 of 156 api accounting software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to api accounting software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceMiami, FL, United StatesHQ checked Sep 27, 2026201-500331 contacts →

Partial evidence

“Finally is a fast growing fintech company whose mission is to help small & medium sized businesses automate their accounting and finance.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceMinneapolis, MN, United StatesHQ checked Sep 27, 202651-200105 contacts →

Indirect evidence

“Deskera is an award-winning integrated platform that enables SMBs to scale faster with fewer tools.”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 27, 2026201-50092 contacts →

Indirect evidence

“For small businesses and sole proprietorships in need of fast and accurate document reduction and spending management solutions, The Neat Company provides a cloud-based expense…”

Source: RevenueBase Database · checked Sep 27, 2026
4Strong evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202651-20084 contacts →

Strong evidence

“AI-native accounting software, that works for you!”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceRemote First, United StatesHQ checked Sep 27, 202651-20068 contacts →

Indirect evidence

“Accurate Books.”

Source: RevenueBase Database · checked Sep 27, 2026
6Strong evidencePetaluma, CA, United StatesHQ checked Sep 27, 202611-5047 contacts →

Strong evidence

“AccountMate Software Corporation Founded in 1984, AccountMate develops and markets fully modifiable business accounting software.”

Source: RevenueBase Database · checked Sep 27, 2026
7Strong evidenceBoise, ID, United StatesHQ checked Sep 27, 202611-5042 contacts →

Strong evidence

“Founded in 1982, Cougar Mountain Software provides business accounting software and hardware solutions for more than retail, wholesale, nonprofit and service based businesses…”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceRocklin, CA, United StatesHQ checked Sep 27, 202651-20034 contacts →

Partial evidence

“HostBooks transforms and enriches your accounting experience through its structured and automated cloud-based accounting platform.”

Source: RevenueBase Database · checked Sep 27, 2026
9Strong evidencePalo Alto, CA, United StatesHQ checked Sep 27, 202611-5026 contacts →

Strong evidence

“Kick is accounting software that does the work for you.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceHonolulu, HI, United StatesHQ checked Sep 27, 2026501-1,00025 contacts →

Partial evidence

“PathQuest is an Automated Accounting Solution ecosystem designed with a vision to Simplify & Automate your Accounting Practice.”

Source: RevenueBase Database · checked Sep 27, 2026
11Strong evidenceRed Wing, MN, United StatesHQ checked Sep 27, 202611-5025 contacts →

Strong evidence

“Red Wing Software develops and supports accounting, payroll, and financial management software for small-to-mid-sized businesses, agribusinesses, nonprofits, and municipals across…”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202611-5022 contacts →

Indirect evidence

“Beyond Numbers.”

Source: RevenueBase Database · checked Sep 27, 2026
13Strong evidenceMonroe, LA, United StatesHQ checked Sep 27, 202611-5021 contacts →

Strong evidence

“AIMS offers money-saving accounting software for wholesale petroleum distributors.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceJanesville, WI, United StatesHQ checked Sep 27, 202611-5019 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceHouston, TX, United StatesHQ checked Sep 27, 202611-5012 contacts →

Partial evidence

“We build apps for our accounting firm to close the books continuously, and now you can use those apps too.”

Source: RevenueBase Database · checked Sep 27, 2026
16Strong evidenceNew York, United StatesHQ checked Sep 27, 202611-5011 contacts →

Strong evidence

“Avise is modern accounting software that solves for QuickBooks limitations, that accountants love using, and that businesses can scale on (avoiding an ERP implementation).”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidencePittsburgh, PA, United StatesHQ checked Sep 27, 202611-5011 contacts →

Partial evidence

“SoftLedger is a general ledger for organizations that have outgrown QuickBooks and don't want the overhead of legacy enterprise software.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceNew York, NY, United StatesHQ checked Sep 27, 202611-5011 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 27, 2026
19Strong evidencePasadena, CA, United StatesHQ checked Sep 27, 20261-1010 contacts →

Strong evidence

“TwinPeaks Online provides software and web based management and accounting applications to businesses all over the world.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceHouston, TX, United StatesHQ checked Sep 27, 202611-509 contacts →

Partial evidence

“AcctZen LLC is a leading financial services company transforming how businesses manage their accounting needs.”

Source: RevenueBase Database · checked Sep 27, 2026
21Strong evidenceDetroit, MI, United StatesHQ checked Sep 27, 202611-508 contacts →

Strong evidence

“Gravity Software (Gravity) is the cloud-based multi-entity accounting solution built for growing mid-market businesses.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceWilmington, DE, United StatesHQ checked Sep 27, 202611-508 contacts →

Indirect evidence

“Introducing Mima Business Inc- Your Ultimate Business Management Solution!”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceBountiful, UT, United StatesHQ checked Sep 27, 20261-107 contacts →

Partial evidence

“We build web apps that automate accounting to help businesses run smoothly.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceSheridan, WY, United StatesHQ checked Sep 27, 202611-507 contacts →

Indirect evidence

“Akounto, redefining the financial ecosystem for Small businesses, Freelancers, and Startups.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceNew Port Richey, FL, United StatesHQ checked Sep 27, 202611-506 contacts →

Indirect evidence

“With over two decades of experience, we provide CFO & Controller outsource services, including bookkeeping.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 156 api accounting software companies based in the United States

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

As of Sep 27, 2026
10.9%Verified-email coverage
26.3Average contacts per company
1-10Median size (employees)
5.1%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
53
51-200
10
201-500
3
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 156 companies.

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 api accounting 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.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “api accounting 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 api accounting 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 api 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 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, 448 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.

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 api accounting 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 api accounting software companies are there based in the United States?

RevenueBase identified 156 api 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?

Finally, headquartered in Miami, tops this list with the largest team on record.

Which city has the most api accounting software companies?

New York leads with 8 headquartered companies, followed by San Francisco (6) and Houston (5).

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 448 verified decision-maker contacts tracked across these 156 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.