Company lists · Data refreshed September 2026

Top 25 Erp companies for tax firms worldwide

RevenueBase identified 6,038 erp companies for tax firms worldwide as of September 2026 and tracks 108,090 professional contacts across them, including 22,398 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers erp companies for tax firms worldwide, 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 28, 2026. Country and city lists for erp companies for tax firms follow the table.

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 28, 2026 86% judged on-target in blind review
6,038Companies
108,090Contacts tracked
22,398Verified emails
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The 25 largest erp companies for tax firms worldwide

Ranked by team size
Top 25 of 6,038 erp companies for tax firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to erp companies for tax firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceKansas City, MO, United StatesHQ checked Sep 28, 202610001+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 28, 2026
2Partial evidenceDallas, TX, United StatesHQ checked Sep 28, 20265,001-10,0006,089 contacts →

Partial evidence

“Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceNew York, NY, United StatesHQ checked Sep 28, 20261,001-5,0001,587 contacts →

Partial evidence

“Wolters Kluwer Tax & Accounting U.S.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceFort Wayne, IN, United StatesHQ checked Sep 28, 2026501-1,000861 contacts →

Partial evidence

“Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceNew Delhi, IndiaHQ checked Sep 28, 2026501-1,000664 contacts →

Partial evidence

“BUSY is a leading, on-premise ERP & accounting software company, enabling millions of businesses in over 20 countries to manage their business operations and GST/VAT compliances…”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceFranklin, United StatesHQ checked Sep 28, 2026501-1,000561 contacts →

Partial evidence

“Drake Software, a private company founded in 1977, provides software solutions to over tax and accounting firms that file more than 40 million tax returns every year.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceSaint-herblain, FranceHQ checked Sep 28, 2026201-500522 contacts →

Indirect evidence

“RCA, éditeur de solutions pour l'expertise comptable.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceExton, PA, United StatesHQ checked Sep 28, 2026501-1,000364 contacts →

Indirect evidence

“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceSterling, VA, United StatesHQ checked Sep 28, 2026201-500347 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 28, 2026
10Indirect evidenceBerlin, GermanyHQ checked Sep 28, 20261,001-5,000319 contacts →

Indirect evidence

“Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceIrvine, CA, United StatesHQ checked Sep 28, 2026501-1,000289 contacts →

Indirect evidence

“SurePrep was founded in 2002 and is the leader in 1040 productivity for CPA firms.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceJakarta Selatan, IndonesiaHQ checked Sep 28, 2026201-500269 contacts →

Partial evidence

“TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 2026501-1,000269 contacts →

Indirect evidence

“Growth exposes financial weakness.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceSteyr, AustriaHQ checked Sep 28, 2026501-1,000268 contacts →

Indirect evidence

“About us BMD is one of the leading software manufacturers in Austria.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceIstanbul, TürkiyeHQ checked Sep 28, 202651-200240 contacts →

Partial evidence

“SNI is a Computer Technology Corporation providing Tax Compliance and Regulatory Reporting softwares, interfaces and technologies around the world.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceDallas, TX, United StatesHQ checked Sep 28, 2026201-500224 contacts →

Partial evidence

“In operation since 1978, KE Andrews is one of the largest state and local tax firms in the country, managing over $500 billion in assets.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceTrento, ItalyHQ checked Sep 28, 2026201-500222 contacts →

Indirect evidence

“Presente sul mercato dal 1969, la nostra Società produce e propone soluzioni, prodotti e servizi Informatici per Studi Professionali, Associazioni di Categoria ed Aziende, per…”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceFayetteville, AR, United StatesHQ checked Sep 28, 202651-200206 contacts →

Partial 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 28, 2026
19Indirect evidenceAhmedabad, IndiaHQ checked Sep 28, 2026201-500201 contacts →

Indirect evidence

“Inventyv Software Services Pvt.”

Source: RevenueBase Database · checked Sep 28, 2026
20Strong evidenceMiami, FL, United StatesHQ checked Sep 28, 2026201-500191 contacts →

Strong evidence

“We are the #1 ERP & Tax Compliance experts supporting the whole Latin American and Caribbean region.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceUberlândia, BrazilHQ checked Sep 28, 202651-200183 contacts →

Indirect evidence

“Com mais de 35 anos de atuação, a Audicon consolidou-se como referência em contabilidade consultiva e auditoria em Uberlândia e região.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceUnited StatesHQ checked Sep 28, 202610001+174 contacts →

Partial evidence

“Wolters Kluwer, TAA North America US Small Firms is part of Wolters Kluwer Tax & Accounting.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceSão Paulo, BrazilHQ checked Sep 28, 2026201-500172 contacts →

Partial evidence

“Tax Group is a network of independent professional firms dedicated to providing services in the tax area, which brings together a network of members with more than 200 employees.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 2026201-500159 contacts →

Indirect evidence

“Com atuação desde 1988, a Fradema Consultores Tributários possui forte atuação no contexto judicial e administrativo nas esferas federal, estadual e municipal, com sedes em todo o…”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceRosenheim, GermanyHQ checked Sep 28, 2026201-500152 contacts →

Indirect evidence

“Agenda ist einer der führenden Software-Anbieter für die steuer- und wirtschaftsberatenden Berufe.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 6,038 erp companies for tax firms worldwide

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Erp companies for tax firms worldwide at a glance

As of Sep 28, 2026
20.7%Verified-email coverage
17.9Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Sao Paulo
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
3,790
11-50
1,717
51-200
331
201-500
51
501-1,000
21
1,001-5,000
7
5,001-10,000
1
10001+
5

Email recency is reported on each country list linked below.

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 erp companies for tax firms, 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.
Coverage
Every country. Country and city lists for erp companies for tax firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “erp companies for tax firms”. 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 erp companies for tax firms), 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 erp companies for tax firms, and records with no verified work email.
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, 22,398 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 28, 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.

Erp companies for tax firms by location

23 lists · largest first

Every Erp companies for tax firms 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 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 erp companies for tax firms, 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 erp companies for tax firms are there worldwide?

RevenueBase identified 6,038 erp companies for tax firms worldwide 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 country has the most erp companies for tax firms?

The United States leads with 2,213 companies, followed by Germany (1,254) and Brazil (413). Every erp companies for tax firms list by country and city is linked on this page.

Which city has the most erp companies for tax firms?

Sao Paulo leads with 101 headquartered companies, followed by Berlin (76) and New York (63).

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 22,398 verified decision-maker contacts tracked across these 6,038 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 28, 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.