Company lists · Data refreshed September 2026
Top 25 Audit support companies based in the United States
RevenueBase identified 282 audit support companies headquartered in the United States as of September 2026 and tracks 4,175 professional contacts across them, including 1,434 with verified work emails. Houston is the largest hub.
This list covers audit support 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 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.
The 25 largest audit support companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 148 contacts → | ||||
Indirect evidence “RRBB," an independent member of the Crete Professionals Alliance, is the brand name under which Rosenberg Rich Baker Berman, P.A.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 142 contacts → | ||||
Indirect evidence “Pattillo, Brown & Hill, L.L.P has been pace setter within the Waco, Texas community since its inauguration in 1923 and continues to be one of the oldest and most respected…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 137 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 134 contacts → | ||||
Partial evidence “Cotton is an audit and accounting firm located in Old Town Alexandria, VA.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 103 contacts → | ||||
Indirect evidence “Bringing our clients over 70 years of dedicated experience and service, D'Arcangelo & Co, LLP offers our clients a distinct difference through unsurpassed accounting, auditing…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 100 contacts → | ||||
Indirect evidence “Doeren Mayhew" is the brand name under which Doeren Mayhew Assurance and Doeren Mayhew Advisors, LLC and its subsidiary entities provide professional services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 87 contacts → | ||||
Indirect evidence “Top accounting firm Raffa, P.C.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 86 contacts → | ||||
Indirect evidence “Haefele Flanagan, founded in 1967, is a full service consulting, accounting, auditing, and tax service firm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 85 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, 2026Thanks. The Data Team will review it. | |||||
| 10 | 59 contacts → | ||||
Indirect evidence “PAAST (Perez-Abreu, Aguerrebere, Sueiro & Torres, PL) is a public accounting firm offering a full-line of services, including accounting, attestation, tax, financial due…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 58 contacts → | ||||
Partial evidence “The partners and staff at Wheeler Accountants (WCPA - formerly LMGW) combine to offer a full range of audit, accounting, taxation, consulting and compliance services for our…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 56 contacts → | ||||
Indirect evidence “We are now Acclarity.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 53 contacts → | ||||
Indirect evidence “HeinfeldMeech is a premier auditing and consulting firm specializing in the service of governmental and nonprofit organizations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 44 contacts → | ||||
Partial evidence “LEVITZACKS has been providing outstanding audit, review, compilation, domestic and international tax, management information, and management advisory services since 1964.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 44 contacts → | ||||
Indirect evidence “As a full-service CPA firm with over 50 years of experience, our firm is dedicated to helping you and/or your business succeed!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 41 contacts → | ||||
Partial evidence “McClintock & Associates offers a broad range of financial services, with a specialty in financial statement audits and student financial aid audits for the postsecondary education…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 41 contacts → | ||||
Indirect evidence “Our service team has a broad based local and national experience in the industries of professional services, technology & software, health care, alternative energy, e-commerce, as…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 41 contacts → | ||||
Indirect evidence “At HTL CPAs, we offer comprehensive accounting services to help businesses of all sizes achieve their financial goals.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 40 contacts → | ||||
Indirect evidence “Wojeski & Company is an Albany, New York based CPA mid-size Firm with an excellent reputation and a great culture.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 39 contacts → | ||||
Partial evidence “Accounting and Auditing Auditing service includes financial statement audit, compliance audit, internal audit and operation audit.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 34 contacts → | ||||
Indirect evidence “RM Advisory Services LLC is a licensed Certified Public Accountant and member, in good standing, with the Virginia Board of Accountancy.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 33 contacts → | ||||
Indirect evidence “RP & B CPAs is a premier, full-service accounting firm located in Riverside, California.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 33 contacts → | ||||
Indirect evidence “Accountability, respect, competence and trustworthiness.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 32 contacts → | ||||
Indirect evidence “At Lutz, Selig and Zeronda, L.L.P.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 32 contacts → | ||||
Indirect evidence “Haynes Downard LLP is a firm of certified public accountants and management consultants with offices in Birmingham and Jasper, Alabama.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: audit support companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names audit support companies.
- Partial evidence
- Its own public description names part of audit support companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name audit support companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 282 audit support companies based in the United States
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Audit support companies based in the United States at a glance
As of Sep 21, 2026Companies by employee count
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 282 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 audit support 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 “audit support 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 audit support 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 audit support 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, 1,434 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 audit support 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 audit support companies are there based in the United States?
RevenueBase identified 282 audit support 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?
RRBB, headquartered in Somerset, tops this list with the largest team on record.
Which city has the most audit support companies?
Houston leads with 11 headquartered companies, followed by Atlanta (6) and Chicago (6).
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 1,434 verified decision-maker contacts tracked across these 282 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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Audit support companies by geography
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- Audit support companies based in the Netherlands
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- Audit support companies based in Poland
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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.