Company lists · Data refreshed September 2026

Top 25 Bookkeeping software development services based in the United States

RevenueBase identified 1,040 bookkeeping software development services headquartered in the United States as of September 2026 and tracks 6,657 professional contacts across them, including 1,149 with verified work emails. New York is the largest hub.

This list covers bookkeeping software development services 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
1,040Companies
6,657Contacts tracked
1,149Verified emails
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The 25 largest bookkeeping software development services based in the United States

Ranked by team size
Top 25 of 1,040 bookkeeping software development services 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 bookkeeping software development services: 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
1Strong evidencePalo Alto, CA, United StatesHQ checked Sep 27, 2026201-500414 contacts →

Strong evidence

“Zeni is an AI bookkeeping software backed by a dedicated finance team.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 2026201-500366 contacts →

Partial evidence

“At Bench by Mainstreet, we believe small business owners deserve more than just software - they deserve real financial support.”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect 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
4Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 27, 202651-20067 contacts →

Indirect evidence

“We’re Your Partner in Energy Asset Management, from Advising to Outsourcing.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidencePetaluma, CA, United StatesHQ checked Sep 27, 202611-5047 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceKnoxville, TN, United StatesHQ checked Sep 27, 202651-20036 contacts →

Indirect evidence

“Entrepreneurs and small businesses have a passion for their products or services.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceWynnewood, PA, United StatesHQ checked Sep 27, 202611-5035 contacts →

Partial evidence

“We Offer Outsourced Accounting and Bookkeeping Services for All Your Business Needs Who Are We?”

Source: RevenueBase Database · checked Sep 27, 2026
8Strong evidenceCulver City, VT, United StatesHQ checked Sep 27, 202611-5034 contacts →

Strong evidence

“FIXE combines restaurant expertise, best in class software, dedicated customer service, and automation to streamline bookkeeping.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceCypress, CA, United StatesHQ checked Sep 27, 202611-5030 contacts →

Partial evidence

“DoubleRule streamlines bookkeeping and accounting processes for service-based SME's, gaining and leveraging insight into how each business can grow.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidencePalo Alto, CA, United StatesHQ checked Sep 27, 202611-5026 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceDallas, TX, United StatesHQ checked Sep 27, 202611-5025 contacts →

Indirect evidence

“We can provide qualified accounting professionals who can ensure that your financial records are maintained correctly and accurately.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceRed Wing, MN, United StatesHQ checked Sep 27, 202611-5025 contacts →

Partial 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
13Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202611-5022 contacts →

Indirect evidence

“Beyond Numbers.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceIrvine, CA, United StatesHQ checked Sep 27, 202611-5022 contacts →

Partial evidence

“Irvine Bookkeeping was established to provide Business owners with bookkeeping solutions either in operational bookkeeping (A/R&A/P) or after the fact bookkeeping.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202611-5020 contacts →

Partial evidence

“CustomBooks™ is a comprehensive software solution designed specifically for small to mid-sized businesses that manage accounting, inventory, distribution, wholesale, and ecommerce.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceJanesville, WI, United StatesHQ checked Sep 27, 202611-5019 contacts →

Indirect 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
17Indirect evidenceAustin, TX, United StatesHQ checked Sep 27, 20261-1017 contacts →

Indirect evidence

“Keeper is an app to help bookkeepers run a better month-end close.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceNewark, CA, United StatesHQ checked Sep 27, 20261-1016 contacts →

Partial evidence

“These are some of the services that we offer: Bookkeeping Services • Reconciliation of bank account & credit card statement.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidencePort Charlotte, OR, United StatesHQ checked Sep 27, 202611-5015 contacts →

Indirect evidence

“Outsourced Accounting Services provides client-focused services to address all of your firms accounting needs.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceLake Forest, CA, United StatesHQ checked Sep 27, 202611-5014 contacts →

Indirect evidence

“Say hello to SmartBean®!”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceHouston, TX, United StatesHQ checked Sep 27, 202611-5012 contacts →

Indirect 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
22Indirect evidenceTotowa, NJ, United StatesHQ checked Sep 27, 202611-5012 contacts →

Indirect evidence

“Welcome to FCCGroup Inc.”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceHonolulu, HI, United StatesHQ checked Sep 27, 202611-5011 contacts →

Partial evidence

“Meet e-manage|ONE, the brainchild of Marketplace Software, a comprehensive business management solution engineered to streamline and optimize a wide spectrum of operational…”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceNew York, United StatesHQ checked Sep 27, 202611-5011 contacts →

Partial 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
25Partial 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

Showing 25 of 1,040 bookkeeping software development services based in the United States

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Bookkeeping software development services based in the United States at a glance

As of Sep 27, 2026
17.3%Verified-email coverage
6.4Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
910
11-50
108
51-200
14
201-500
4
1,001-5,000
2
5,001-10,000
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 1,040 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 bookkeeping software development services, 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 “bookkeeping software development services”. 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 bookkeeping software development services), 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 bookkeeping software development services, 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, 1,149 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 bookkeeping software development services, 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 bookkeeping software development services are there based in the United States?

RevenueBase identified 1,040 bookkeeping software development services 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?

ZENI, headquartered in Palo Alto, tops this list with the largest team on record.

Which city has the most bookkeeping software development services?

New York leads with 22 headquartered companies, followed by Houston (18) and Los Angeles (17).

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 1,149 verified decision-maker contacts tracked across these 1,040 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.