Company lists · Data refreshed October 2026

Top 25 Tax preparation and compliance services based in the United States

Name: Tax preparation and compliance services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 14,964 companies tracked

RevenueBase identified 14,964 company matches for tax preparation and compliance services associated with the United States as of October 2026 and tracks 184,100 professional contacts across them, including 57,721 with verified work emails. New York is the largest hub.

This list covers company matches for tax preparation and compliance services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 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 RevenueBase SmartSearch · Exact Recorded Oct 22, 2026 How this list was built

14,964Companies

184,100Contacts tracked

57,721Verified emails

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The 25 largest tax preparation and compliance services based in the United States

Ranked by team size

Top 25 of 14,964 company matches for tax preparation and compliance services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	H&r Block	Exact match	Kansas City, MO, United StatesHQ recorded Oct 22, 2026	10001+	60,358 contacts →
	Exact match “H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	RYAN	Exact match	Dallas, TX, United StatesHQ recorded Oct 22, 2026	5,001-10,000	6,427 contacts →
	Exact match “Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	Eide Bailly LLP	Exact match	United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,399 contacts →
	Exact match “We’re Eide Bailly (I’d bay-lee), a business advisory, accounting and technology firm built with our clients in mind.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	Carr, Riggs & Ingram	Exact match	Enterprise, AL, United StatesHQ recorded Oct 22, 2026	1,001-5,000	2,146 contacts →
	Exact match “Carr, Riggs & Ingram (CRI) is a Top 25 nationally-ranked accounting and advisory firm driven by relationships to cultivate growth.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	PKF O'connor Davies	Exact match	Harrison, NY, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,784 contacts →
	Exact match “PKF O’Connor Davies is a top-tier accounting, tax and advisory practice with a long history of serving domestic and international clients.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	Wolters Kluwer TAX & Accounting US	Exact match	New York, NY, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,648 contacts →
	Exact match “Wolters Kluwer Tax & Accounting U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	Block Advisors	Exact match	Kansas City, MO, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,383 contacts →
	Exact match “We are Block Advisors by H&R Block.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	Berrydunn Assurance, TAX And Consulting	Exact match	Portland, ME, United StatesHQ recorded Oct 22, 2026	501-1,000	1,051 contacts →
	Exact match “BerryDunn is the brand name under which Berry, Dunn, McNeil & Parker, LLC and BDMP Assurance, LLP, independently owned entities, provide services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	HCVT	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 22, 2026	501-1,000	928 contacts →
	Exact match “HCVT is Southern California’s leading public accounting firm, the largest headquartered in Los Angeles, and the third-largest in the Western U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	KSM Katz, Sapper & Miller	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 22, 2026	501-1,000	835 contacts →
	Exact match “KSM (Katz, Sapper & Miller) is a nationally recognized advisory, tax, and audit firm.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	Mauldin & Jenkins	Exact match	Atlanta, GA, United StatesHQ recorded Oct 22, 2026	501-1,000	742 contacts →
	Exact match “Mauldin & Jenkins, LLC believes that by working together with our clients, we can accomplish anything!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	HBK Cpas & Consultants	Exact match	Canfield, OH, United StatesHQ recorded Oct 22, 2026	501-1,000	673 contacts →
	Exact match “Established in 1949, HBK is a multidisciplinary financial services firm offering the collective intelligence of hundreds of professionals committed to delivering exceptional…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Dean Dorton	Exact match	Lexington, KY, United StatesHQ recorded Oct 22, 2026	501-1,000	606 contacts →
	Exact match “Dean Dorton provides an integrated suite of audit, tax, business management, consulting, and technology solutions.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Anchin	Exact match	New York, NY, United StatesHQ recorded Oct 22, 2026	501-1,000	586 contacts →
	Exact match “Effective July 1, 2026, Anchin combined with Baker Tilly, a leading advisory, tax, and assurance firm with a national and global presence across major U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Bennett Thrasher	Exact match	Atlanta, GA, United StatesHQ recorded Oct 22, 2026	201-500	576 contacts →
	Exact match “Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Sensiba LLP	Exact match	San Jose, CA, United StatesHQ recorded Oct 22, 2026	501-1,000	510 contacts →
	Exact match “Sensiba’s comprehensive accounting, tax, and consulting services help businesses and people solve problems, navigate complexity, and build a foundation for sustainable growth.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Brown Edwards	Exact match	Roanoke, VA, United StatesHQ recorded Oct 22, 2026	201-500	508 contacts →
	Exact match “Providing Professional Business Advisory and Consulting Services including tax, accounting and IT services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	Singerlewak LLP	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 22, 2026	201-500	502 contacts →
	Exact match “SingerLewak has a 60-year history of serving clients as one of the leading West Coast based public accounting firms; SingerLewak understands the needs of business owners and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	Smith Howard	Exact match	Atlanta, GA, United StatesHQ recorded Oct 22, 2026	501-1,000	487 contacts →
	Exact match “Smith + Howard is a tax, accounting, advisory, and consulting firm headquartered in Atlanta, with a global presence.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	SAX	Exact match	Parsippany, NJ, United StatesHQ recorded Oct 22, 2026	201-500	456 contacts →
	Exact match “SAX is a multi-disciplinary accounting, tax and advisory firm serving the needs of privately held companies, family-owned businesses, not-for-profit organizations and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Apercen Partners LLC	Exact match	Palo Alto, CA, United StatesHQ recorded Oct 22, 2026	201-500	417 contacts →
	Exact match “Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	Cohesive	Exact match	Exton, PA, United StatesHQ recorded Oct 22, 2026	501-1,000	362 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	GBQ Partners	Exact match	Columbus, OH, United StatesHQ recorded Oct 22, 2026	201-500	361 contacts →
	Exact match “A top tax, accounting and consulting firm based in Ohio with a reach and understanding that expands the globe, GBQ has empowered growth of our people, our communities, and our…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Advantage ONE TAX Consulting	Exact match	Sterling, VA, United StatesHQ recorded Oct 22, 2026	201-500	356 contacts →
	Exact match “Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	Squire	Exact match	Orem, UT, United StatesHQ recorded Oct 22, 2026	201-500	324 contacts →
	Exact match “Squire is a nationally recognized audit, tax, and business advisory firm serving clients across the U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “tax preparation and compliance services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,964 tax preparation and compliance services based in the United States

See the full list, filter by size, metro and specialty, and access 57,721 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax preparation and compliance services based in the United States at a glance

As of Oct 22, 2026

31.4%Verified-email coverage

12.3Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · New York

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

10,880

11-50

3,337

51-200

526

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 14,964 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with the United States whose business descriptions match “tax preparation and compliance services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 57,721 professional contacts with verified work emails across the full matched dataset. 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 October 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Tax preparation and compliance services by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax preparation and compliance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax preparation and compliance services are there based in the United States?

RevenueBase identified 14,964 company matches for tax preparation and compliance services associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most tax preparation and compliance services?

New York leads with 340 company records, followed by Houston (301) and Miami (168).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 57,721 professional contacts with verified work emails tracked across these 14,964 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 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.