Company lists · Data refreshed October 2026

Top 25 Tax compliance companies based in the United States

RevenueBase identified 2,169 company matches for tax compliance companies associated with the United States as of October 2026 and tracks 79,981 professional contacts across them, including 9,460 with verified work emails. New York is the largest hub.

This list covers company matches for tax compliance companies 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
2,169Companies
79,981Contacts tracked
9,460Verified emails
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The 25 largest tax compliance companies based in the United States

Ranked by team size
Top 25 of 2,169 company matches for tax compliance companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKansas City, MO, United StatesHQ recorded Oct 22, 202610001+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
2Exact matchPalo Alto, CA, United StatesHQ recorded Oct 22, 2026201-500417 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
3Exact matchExton, PA, United StatesHQ recorded Oct 22, 2026501-1,000362 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
4Exact matchSterling, VA, United StatesHQ recorded Oct 22, 2026201-500356 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
5Exact matchHouston, TX, United StatesHQ recorded Oct 22, 2026501-1,000244 contacts →

Exact match

“Growth exposes financial weakness.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchFayetteville, AR, United StatesHQ recorded Oct 22, 202651-200214 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchPlano, TX, United StatesHQ recorded Oct 22, 202651-200114 contacts →

Exact match

“At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchSunrise, FL, United StatesHQ recorded Oct 22, 202651-20084 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Oct 22, 202651-20082 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5078 contacts →

Exact match

“Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchValley Stream, NY, United StatesHQ recorded Oct 22, 202651-20077 contacts →

Exact match

“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202611-5077 contacts →

Exact match

“Colbert/Ball Tax Service understands that whenever a customer visits their location for service, the client will be immediately assisted by a trained professional.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchDenver, CO, United StatesHQ recorded Oct 22, 202651-20073 contacts →

Exact match

“Navigating the labyrinth of sales tax is more than just an annoyance for e-commerce, SaaS, and other online sellers.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Oct 22, 202651-20052 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchBoca Raton, FL, United StatesHQ recorded Oct 22, 202651-20050 contacts →

Exact match

“LerroSarbey, PLLC, a full-service accounting firm located in Boca Raton and Fort Lauderdale, Florida.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchGlendale, CA, United StatesHQ recorded Oct 22, 202651-20047 contacts →

Exact match

“With over 50 years of experience, Robert Hall & Associates is your trusted partner for tax preparation and consulting.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchIrwindale, CA, United StatesHQ recorded Oct 22, 202651-20046 contacts →

Exact match

“Accounting and Auditing Auditing service includes financial statement audit, compliance audit, internal audit and operation audit.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchSt George, UT, United StatesHQ recorded Oct 22, 202651-20044 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchIrvine, CA, United StatesHQ recorded Oct 22, 202651-20043 contacts →

Exact match

“Make sure you get every dollar back from the government.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchSaint Louis Park, MN, United StatesHQ recorded Oct 22, 202611-5042 contacts →

Exact match

“Myslajek Kemp & Spencer, Ltd.(MKS) delivers innovative solutions with the highest level of client satisfaction in the profession.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchAnnapolis, MD, United StatesHQ recorded Oct 22, 202651-20041 contacts →

Exact match

“Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202651-20040 contacts →

Exact match

“Individual Tax | Business Tax | New Business Set Up | Payroll Tax | Book Keeping”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchKnoxville, TN, United StatesHQ recorded Oct 22, 202651-20039 contacts →

Exact match

“At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 22, 202611-5038 contacts →

Exact match

“Advantous uniquely provides customizable end-to-end tax solutions that range from turnkey compliance services to high-level planning and advisory consulting.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchCalabasas, CA, United StatesHQ recorded Oct 22, 202611-5037 contacts →

Exact match

“At Ascend, our team of advisors has over 40 years of combined strategic tax and accounting experience.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 2,169 tax compliance companies based in the United States

See the full list, filter by size, metro and specialty, and access 9,460 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax compliance companies based in the United States at a glance

As of Oct 22, 2026
11.8%Verified-email coverage
36.9Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · New York
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
1,719
11-50
348
51-200
66
201-500
10
501-1,000
3
1,001-5,000
3
5,001-10,000
2
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 2,169 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 compliance companies” 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 9,460 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.

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 compliance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax compliance companies are there based in the United States?

RevenueBase identified 2,169 company matches for tax compliance companies 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 compliance companies?

New York leads with 60 company records, followed by Houston (59) and Miami (38).

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 9,460 professional contacts with verified work emails tracked across these 2,169 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.