Company lists · Data refreshed October 2026

Top 25 Irs tax compliance services worldwide

RevenueBase identified 2,494 company matches for irs tax compliance services worldwide as of October 2026 and tracks 72,322 professional contacts across them, including 8,742 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for irs tax compliance services worldwide, 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. Country and city lists for irs tax compliance services follow the table.

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
2,494Companies
72,322Contacts tracked
8,742Verified emails
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The 25 largest irs tax compliance services worldwide

Ranked by team size
Top 25 of 2,494 company matches for irs tax compliance services worldwide, 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 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
3Exact matchSterling, VA, United StatesHQ recorded Oct 22, 2026201-500230 contacts →

Exact match

“AOTAX is a leading U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Oct 22, 2026201-500143 contacts →

Exact match

“We care about people.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchWinston Salem, NC, United StatesHQ recorded Oct 22, 202651-200105 contacts →

Exact match

“Protection Plus provides top-tier tax resolution services, offering up to in services to resolve IRS notices, inquiries, and audits.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchChennai, IndiaHQ recorded Oct 22, 202651-20089 contacts →

Exact match

“Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchLewes, DE, United KingdomHQ recorded Oct 22, 202651-20085 contacts →

Exact match

“Shoonya Tax is a consulting firm registered in US and India providing services like Tax return filing for Individual and Corporates, book keeping and payroll services for both US…”

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 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
11Exact 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
12Exact matchCologne, GermanyHQ recorded Oct 22, 202651-20064 contacts →

Exact match

“Unsere Steuerberater in Köln, Düsseldorf, Frankfurt, Bonn und Dubai haben sich besonders auf die Steuerberatung von Kapitalgesellschaften und Personengesellschaften spezialisiert.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchBrossard, QC, CanadaHQ recorded Oct 22, 202651-20059 contacts →

Exact match

“Services * Expansion américaine et/ou internationale;* Conformité fiscale américaine (corporative);* Conformité fiscale américaine (individu);* « Snowbirds » et immobilier…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchNy, United StatesHQ recorded Oct 22, 202651-20056 contacts →

Exact match

“Tax Preparation for U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact 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
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 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
18Exact 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
19Exact 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
20Exact matchBalwyn, United StatesHQ recorded Oct 22, 202651-20040 contacts →

Exact match

“Join a firm where you look forward to meeting with us and we look forward to receiving your call.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchValencia, CA, United StatesHQ recorded Oct 22, 2026n/a37 contacts →

Exact match

“IRS Solutions® is a full-service tax resolution and IRS monitoring platform that helps CPAs, attorneys, and enrolled agents earn more in fewer hours at their desks.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchBangalore, IndiaHQ recorded Oct 22, 202611-5036 contacts →

Exact match

“A boutique tax consulting organisation focused on helping its clients comply with the tax laws in letter and in spirit.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchBengaluru South, IndiaHQ recorded Oct 22, 202611-5034 contacts →

Exact match

“FIBACT is formed with the objective to provide Bookkeeping, Accounting and Tax Compliance Services to Accounting Firms, Small and Medium Enterprises in US & India.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5033 contacts →

Exact match

“Most companies find out they have a sales tax problem the same way: a letter from a state they didn't know they owed tax in.”

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

Showing 25 of 2,494 irs tax compliance services worldwide

See the full list, filter by size, metro and specialty, and access 8,742 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Irs tax compliance services worldwide at a glance

As of Oct 22, 2026
12.1%Verified-email coverage
29.0Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Houston
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
1,809
11-50
547
51-200
96
201-500
11
501-1,000
3
1,001-5,000
2
10001+
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for irs tax compliance services are linked below.
What qualifies
Company records worldwide whose business descriptions match “irs tax 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. 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 8,742 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.

Irs tax compliance services by location

8 lists · largest first

Every Irs tax compliance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “irs tax compliance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many irs tax compliance services are there worldwide?

RevenueBase identified 2,494 company matches for irs tax compliance services worldwide 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 country has the most irs tax compliance services?

The United States leads with 1,317 companies, followed by India (274) and Germany (110). Every irs tax compliance services list by country and city is linked on this page.

Which city has the most irs tax compliance services?

Houston leads with 46 company records, followed by New York (36) and Hyderabad (29).

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 8,742 professional contacts with verified work emails tracked across these 2,494 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.