Company lists · Data refreshed September 2026

Top 25 Accounting systems services based in the United States

RevenueBase identified 6,443 accounting systems services headquartered in the United States as of September 2026 and tracks 24,590 professional contacts across them, including 6,993 with verified work emails. New York is the largest hub.

This list covers accounting systems 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 21, 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 21, 2026 86% judged on-target in blind review
6,443Companies
24,590Contacts tracked
6,993Verified emails
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The 25 largest accounting systems services based in the United States

Ranked by team size
Top 25 of 6,443 accounting systems services based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to accounting systems 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
1Indirect evidenceBeverly, MA, United StatesHQ checked Sep 21, 202651-200415 contacts →

Indirect evidence

“Outsourced Bookkeeping and Controller Services Supporting Strategies provides outsourced bookkeeping services, controller services and operational support to growing businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 21, 2026201-500366 contacts →

Indirect 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 21, 2026
3Partial evidencePortland, OR, United StatesHQ checked Sep 21, 2026n/a257 contacts →

Partial evidence

“Kindercare Learing Center is an Accounting company located in 650 NE Holladay St # 1400, Portland, Oregon, United States.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceLos Angeles, United StatesHQ checked Sep 21, 2026201-500175 contacts →

Indirect evidence

“Indinero is on a mission to help every business realize its potential.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceBuffalo, NY, United StatesHQ checked Sep 21, 202651-200151 contacts →

Indirect evidence

“Lumsden McCormick CPA is located in the newly renovated Cyclorama Building in downtown Buffalo.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 21, 202651-200134 contacts →

Partial evidence

“Kruze Consulting is a leading provider of accounting, finance, HR and tax consulting to seed and venture capital funded startups.”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceDelaware, DE, United StatesHQ checked Sep 21, 2026501-1,000115 contacts →

Partial evidence

“Welcome to GLOCAL Accounting.”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceMonroeville, PA, United StatesHQ checked Sep 21, 202651-200109 contacts →

Partial evidence

“Boston Financial Advisory Group is a one-stop-shop solution for all your Accounting and Financial consulting needs.”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidencePalatine, United StatesHQ checked Sep 21, 2026n/a101 contacts →

Partial evidence

“We specialize in accounting services for small and family-owned businesses-serving as the perfect extension of your company’s financial team.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceTampa, FL, United StatesHQ checked Sep 21, 202651-20092 contacts →

Partial evidence

“Rivero, Gordimer & Company is a full-service accounting and advisory firm based in Tampa Bay.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceSan Angelo, TX, United StatesHQ checked Sep 21, 202651-20091 contacts →

Indirect evidence

“For more than 60 years, Armstrong, Backus & Co.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceHouston, TX, United StatesHQ checked Sep 21, 202611-5091 contacts →

Partial evidence

“DRDA, LLC is a full-service accounting firm serving clients throughout the area, dedicated to providing our clients with professional, personalized services and guidance in a wide…”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceAtlanta, GA, United StatesHQ checked Sep 21, 202651-20089 contacts →

Partial evidence

“Acuity is the modern-day accounting organization built specifically for startups and small businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceYakima, WA, United StatesHQ checked Sep 21, 202611-5085 contacts →

Partial evidence

“We provide "full-service" financial accounting services, including compilations, reviews, and audits of financial statements for all sizes of closely held businesses, non-profit…”

Source: RevenueBase Database · checked Sep 21, 2026
15Strong evidenceManteca, CA, United StatesHQ checked Sep 21, 202651-20083 contacts →

Strong evidence

“Clarity Of Your Business Financials Without The Accounting Headache If you are a struggling small business owner you are probably frustrated by your cash flow and financial system.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceReston, VA, United StatesHQ checked Sep 21, 202651-20078 contacts →

Indirect evidence

“We’re here to help businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceTigard, OR, United StatesHQ checked Sep 21, 202651-20076 contacts →

Indirect evidence

“Out of the Box helps growing businesses build finance functions that move as fast as they do.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceNew York, NY, United StatesHQ checked Sep 21, 202651-20075 contacts →

Partial evidence

“Fasten Halberstam LLP is a full service accounting firm offering a broad range of services for a diversified clientele representing a variety of industries.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceFully Remote, United StatesHQ checked Sep 21, 202651-20074 contacts →

Indirect evidence

“We handle the financial operations so small businesses don’t have to.”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceAntioch, IL, United StatesHQ checked Sep 21, 202651-20072 contacts →

Partial evidence

“We help business owners get out of the frustration that comes with messy or unclear financials and replace it with systems, consistency, and advice they can actually rely on.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceNew York, United StatesHQ checked Sep 21, 202651-20064 contacts →

Partial evidence

“Our accounting team utilizes online technology to help scale up your business by managing your Bookkeeping and Accounting, with a personalized touch.”

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceNew York, NY, United StatesHQ checked Sep 21, 202651-20062 contacts →

Partial evidence

“We offer a wide range of custom accounting, bookkeeping and consulting services: Tax Accounting Services, Bookkeeping, Consulting Services, Payroll, Report Generation, QuickBooks…”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceNew City, NY, United StatesHQ checked Sep 21, 202611-5059 contacts →

Indirect evidence

“Not more than 5 minutes of your day will be spent on your bookkeeping,we will do it all.”

Source: RevenueBase Database · checked Sep 21, 2026
24Partial evidenceSeminole, TX, United StatesHQ checked Sep 21, 202651-20055 contacts →

Partial evidence

“South Plains Implement Ltd is an Accounting company located at 204 North Highway 385, Seminole, Texas 79360.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceSalt Lake City, UT, United StatesHQ checked Sep 21, 202651-20054 contacts →

Indirect evidence

“Nimbl's purpose is to enable committed leaders to expand the impact they're making in the world by harnessing the power of people & process.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 6,443 accounting systems services based in the United States

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Accounting systems services based in the United States at a glance

As of Sep 21, 2026
28.4%Verified-email coverage
3.8Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
5,546
11-50
753
51-200
103
201-500
11
501-1,000
2
1,001-5,000
3
5,001-10,000
1
10001+
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 6,443 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 accounting systems 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 “accounting systems 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 accounting systems 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 accounting systems 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, 6,993 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 21, 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 accounting systems 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 accounting systems services are there based in the United States?

RevenueBase identified 6,443 accounting systems 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?

Supporting Strategies, headquartered in Beverly, tops this list with the largest team on record.

Which city has the most accounting systems services?

New York leads with 134 headquartered companies, followed by Houston (122) and Los Angeles (89).

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 6,993 verified decision-maker contacts tracked across these 6,443 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 21, 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.