Company lists · Data refreshed September 2026

Top 25 Tax compliance services based in the United States

Name: Tax 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 Sep 22, 2026 2,246 companies tracked

RevenueBase identified 2,246 tax compliance services headquartered in the United States as of September 2026 and tracks 78,811 professional contacts across them, including 9,752 with verified work emails. Houston is the largest hub.

This list covers tax compliance 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 22, 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 22, 2026 86% judged on-target in blind review

2,246Companies

78,811Contacts tracked

9,752Verified emails

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The 25 largest tax compliance services based in the United States

Ranked by team size

Top 25 of 2,246 tax compliance services based in the United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to tax compliance 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	H&r Block	Indirect evidence	Kansas City, MO, United StatesHQ checked Sep 22, 2026	10001+	59,451 contacts →
	Indirect evidence “H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Source: RevenueBase Database · checked Sep 22, 2026
2	Apercen Partners LLC	Partial evidence	Palo Alto, CA, United StatesHQ checked Sep 22, 2026	201-500	399 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
3	Cohesive	Indirect evidence	Exton, PA, United StatesHQ checked Sep 22, 2026	501-1,000	364 contacts →
	Indirect evidence “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Source: RevenueBase Database · checked Sep 22, 2026
4	Advantage ONE TAX Consulting	Partial evidence	Sterling, VA, United StatesHQ checked Sep 22, 2026	201-500	347 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
5	Mayatax	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	501-1,000	269 contacts →
	Indirect evidence “Growth exposes financial weakness.” Source: RevenueBase Database · checked Sep 22, 2026
6	Zenwork, INC	Strong evidence	Fayetteville, AR, United StatesHQ checked Sep 22, 2026	51-200	206 contacts →
	Strong evidence “Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Source: RevenueBase Database · checked Sep 22, 2026
7	Mytaxfiler	Partial evidence	Plano, TX, United StatesHQ checked Sep 22, 2026	51-200	100 contacts →
	Partial evidence “At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.” Source: RevenueBase Database · checked Sep 22, 2026
8	Crescent TAX Filing, INC	Partial evidence	United StatesHQ checked Sep 22, 2026	51-200	85 contacts →
	Partial evidence “Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…” Source: RevenueBase Database · checked Sep 22, 2026
9	R&g Brenner TAX Accounting	Partial evidence	Valley Stream, NY, United StatesHQ checked Sep 22, 2026	51-200	78 contacts →
	Partial evidence “Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Source: RevenueBase Database · checked Sep 22, 2026
10	Colbert Ball TAX Service	Partial evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	11-50	77 contacts →
	Partial evidence “Colbert/Ball Tax Service understands that whenever a customer visits their location for service, the client will be immediately assisted by a trained professional.” Source: RevenueBase Database · checked Sep 22, 2026
11	ZAMP	Strong evidence	New York, NY, United StatesHQ checked Sep 22, 2026	11-50	74 contacts →
	Strong evidence “Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.” Source: RevenueBase Database · checked Sep 22, 2026
12	Neil Jesani Advisors, INC	Strong evidence	Sunrise, FL, United StatesHQ checked Sep 22, 2026	51-200	70 contacts →
	Strong evidence “Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…” Source: RevenueBase Database · checked Sep 22, 2026
13	Hintonburdick Cpas & Advisors	Partial evidence	St George, UT, United StatesHQ checked Sep 22, 2026	51-200	64 contacts →
	Partial evidence “As the area’s largest full-service CPA firm, we are uniquely qualified to handle the most challenging tax issues as well as prepare simple returns in a cost-effective manner.” Source: RevenueBase Database · checked Sep 22, 2026
14	Think LLP	Partial evidence	Washington, DC, United StatesHQ checked Sep 22, 2026	51-200	54 contacts →
	Partial evidence “Think, LLP is a national professional tax services firm that consists of former Big-4 partners from the national tax practices, attorneys, CPAs, engineers, former IRS technicians…” Source: RevenueBase Database · checked Sep 22, 2026
15	Lerrosarbey, Pllc	Indirect evidence	Boca Raton, FL, United StatesHQ checked Sep 22, 2026	51-200	54 contacts →
	Indirect evidence “LerroSarbey, PLLC, a full-service accounting firm located in Boca Raton and Fort Lauderdale, Florida.” Source: RevenueBase Database · checked Sep 22, 2026
16	The Accounting LAB	Partial evidence	Knoxville, TN, United StatesHQ checked Sep 22, 2026	51-200	48 contacts →
	Partial evidence “At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.” Source: RevenueBase Database · checked Sep 22, 2026
17	Strategic TAX Planning	Partial evidence	Annapolis, MD, United StatesHQ checked Sep 22, 2026	51-200	45 contacts →
	Partial evidence “Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.” Source: RevenueBase Database · checked Sep 22, 2026
18	Righttaxmate	Indirect evidence	Katy, TX, United StatesHQ checked Sep 22, 2026	1,001-5,000	42 contacts →
	Indirect evidence “RightTaxMate is trusted partner for individual and businesses seeking expert financial guidance and support.” Source: RevenueBase Database · checked Sep 22, 2026
19	Robert Hall & Associates	Partial evidence	Glendale, CA, United StatesHQ checked Sep 22, 2026	51-200	40 contacts →
	Partial evidence “With over 50 years of experience, Robert Hall & Associates is your trusted partner for tax preparation and consulting.” Source: RevenueBase Database · checked Sep 22, 2026
20	Myslajek Kemp & Spencer, LTD	Indirect evidence	Saint Louis Park, MN, United StatesHQ checked Sep 22, 2026	11-50	40 contacts →
	Indirect evidence “Myslajek Kemp & Spencer, Ltd.(MKS) delivers innovative solutions with the highest level of client satisfaction in the profession.” Source: RevenueBase Database · checked Sep 22, 2026
21	Chen And FAN Accountancy Corporation	Partial evidence	Irwindale, CA, United StatesHQ checked Sep 22, 2026	51-200	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 22, 2026
22	Guardian TAX	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 22, 2026	51-200	37 contacts →
	Indirect evidence “Make sure you get every dollar back from the government.” Source: RevenueBase Database · checked Sep 22, 2026
23	Ascend TAX And Business Advisors	Partial evidence	Calabasas, CA, United StatesHQ checked Sep 22, 2026	11-50	35 contacts →
	Partial evidence “At Ascend, our team of advisors has over 40 years of combined strategic tax and accounting experience.” Source: RevenueBase Database · checked Sep 22, 2026
24	TAX Care Franchise Group INC	Partial evidence	Miami, FL, United StatesHQ checked Sep 22, 2026	51-200	34 contacts →
	Partial evidence “Tax Care Inc.” Source: RevenueBase Database · checked Sep 22, 2026
25	Liberty TAX	Indirect evidence	Lewisville, TX, United StatesHQ checked Sep 22, 2026	n/a	34 contacts →
	Indirect evidence “Adjusted gross income.” Source: RevenueBase Database · checked Sep 22, 2026

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: tax compliance services. 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 tax compliance services.
Partial evidence: Its own public description names part of tax compliance services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name tax compliance services. 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 2,246 tax compliance services based in the United States

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Tax compliance services based in the United States at a glance

As of Sep 22, 2026

12.4%Verified-email coverage

35.1Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · Houston

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

1,774

11-50

367

51-200

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 2,246 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 tax compliance 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 “tax compliance 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 tax compliance 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 tax compliance 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, 9,752 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 22, 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.

Tax compliance services by metro

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 tax compliance 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 tax compliance services are there based in the United States?

RevenueBase identified 2,246 tax compliance 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?

H&r Block, headquartered in Kansas City, tops this list with the largest team on record.

Which city has the most tax compliance services?

Houston leads with 64 headquartered companies, followed by New York (57) and Miami (38).

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 9,752 verified decision-maker contacts tracked across these 2,246 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 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 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.