Company lists · Data refreshed September 2026

Top 25 Tax software consulting firms worldwide

Name: Tax software consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 21,178 companies tracked

RevenueBase identified 21,178 company matches for tax software consulting firms worldwide as of September 2026 and tracks 194,676 professional contacts across them, including 41,699 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax software consulting firms 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 September 29, 2026. Country and city lists for tax software consulting firms 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 Sep 29, 2026 How this list was built

21,178Companies

194,676Contacts tracked

41,699Verified emails

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The 25 largest tax software consulting firms worldwide

Ranked by team size

Top 25 of 21,178 company matches for tax software consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 Sep 29, 2026	10001+	59,451 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 · Sep 29, 2026 · View company records in RevenueBase
2	RYAN	Exact match	Dallas, TX, United StatesHQ recorded Sep 29, 2026	5,001-10,000	6,089 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 · Sep 29, 2026 · View company records in RevenueBase
3	TAX Consultant	Exact match	Brighton, United KingdomHQ recorded Sep 29, 2026	n/a	2,042 contacts →
	Exact match “A traditional general practice, with a twist.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Wolters Kluwer TAX & Accounting US	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,587 contacts →
	Exact match “Wolters Kluwer Tax & Accounting U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	H&r Block Canada	Exact match	Calgary, AB, CanadaHQ recorded Sep 29, 2026	5,001-10,000	889 contacts →
	Exact match “We’re Canada’s leading tax preparation firm for over 60 years – delivering value to Canadians by our expertise and knowledge in handling all tax situations and by our commitment…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	DMA	Exact match	Fort Wayne, IN, United StatesHQ recorded Sep 29, 2026	501-1,000	861 contacts →
	Exact match “Great Place to Work® Certified™ DMA, a proudly employee-owned company, has been solving corporate tax challenges for its clients since 1972.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Chevez Ruiz Zamarripa	Exact match	Ciudad De Mexico, MexicoHQ recorded Sep 29, 2026	501-1,000	683 contacts →
	Exact match “Chevez Ruiz Zamarripa, es una firma especializada en la Asesoría y Consultoría Fiscal de alto nivel, que se distingue por prestar servicios personalizados con total…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	CCG	Exact match	Pasadena, CA, United StatesHQ recorded Sep 29, 2026	n/a	657 contacts →
	Exact match “CCG is a national tax credit consulting firm serving companies ranging in size from the middle market to the Fortune 100.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Drake Software	Exact match	Franklin, United StatesHQ recorded Sep 29, 2026	501-1,000	561 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Sensiba LLP	Exact match	San Jose, CA, United StatesHQ recorded Sep 29, 2026	501-1,000	493 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 · Sep 29, 2026 · View company records in RevenueBase
11	Singerlewak LLP	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 29, 2026	201-500	487 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 · Sep 29, 2026 · View company records in RevenueBase
12	Smith Howard	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 2026	501-1,000	413 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 · Sep 29, 2026 · View company records in RevenueBase
13	Knowcraft Analytics	Exact match	Chicago, United StatesHQ recorded Sep 29, 2026	201-500	403 contacts →
	Exact match “Knowcraft Analytics is engaged in providing valuation, advisory, accounting, and taxation services to US and Canada-based consulting and advisory firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Apercen Partners LLC	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 29, 2026	201-500	399 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 · Sep 29, 2026 · View company records in RevenueBase
15	VLH	Exact match	Neustadt An Der Weinstrasse, GermanyHQ recorded Sep 29, 2026	1,001-5,000	373 contacts →
	Exact match “Deutschlands Nr.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Cohesive	Exact match	Exton, PA, United StatesHQ recorded Sep 29, 2026	501-1,000	364 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Taxact	Exact match	Dallas, TX, United StatesHQ recorded Sep 29, 2026	51-200	361 contacts →
	Exact match “TaxAct helps everyday Americans get every tax advantage they deserve by finding credits and deductions they never even knew existed.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Ecovis Deutschland	Exact match	Berlin, GermanyHQ recorded Sep 29, 2026	1,001-5,000	319 contacts →
	Exact match “Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Meaden & Moore	Exact match	Cleveland, OH, United StatesHQ recorded Sep 29, 2026	201-500	299 contacts →
	Exact match “For 100+ years, Meaden & Moore has been helping clients navigate their ever-changing financial landscapes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Prosoft	Exact match	Sao Paulo, BrazilHQ recorded Sep 29, 2026	201-500	298 contacts →
	Exact match “Desde 1986 a Prosoft desenvolve softwares para apoiar empresários contábeis a aconselhar seus clientes com rapidez, precisão e eficiência.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Squire	Exact match	Orem, UT, United StatesHQ recorded Sep 29, 2026	201-500	297 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 · Sep 29, 2026 · View company records in RevenueBase
22	Sureprep, Part Of Thomson Reuters	Exact match	Irvine, CA, United StatesHQ recorded Sep 29, 2026	501-1,000	289 contacts →
	Exact match “SurePrep was founded in 2002 and is the leader in 1040 productivity for CPA firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Taxslayer	Exact match	Augusta, GA, IndiaHQ recorded Sep 29, 2026	201-500	289 contacts →
	Exact match “For 60 years, TaxSlayer has been empowering Americans to take control of their taxes with easy-to-use, reliable software backed by U.S-based support.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Taxprime	Exact match	Jakarta Selatan, IndonesiaHQ recorded Sep 29, 2026	201-500	269 contacts →
	Exact match “TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	501-1,000	269 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Sep 29, 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 software consulting firms”. 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 21,178 tax software consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 41,699 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax software consulting firms worldwide at a glance

As of Sep 29, 2026

21.4%Verified-email coverage

9.2Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

13,799

11-50

5,902

51-200

960

201-500

114

501-1,000

1,001-5,000

5,001-10,000

10001+

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 tax software consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “tax software consulting firms” 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 41,699 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 September 29, 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 software consulting firms by location

80 lists · largest first

Every Tax software consulting 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 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 software consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax software consulting firms are there worldwide?

RevenueBase identified 21,178 company matches for tax software consulting firms worldwide as of September 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 tax software consulting firms?

The United States leads with 7,065 companies, followed by Germany (3,251) and Brazil (1,810). Every tax software consulting firms list by country and city is linked on this page.

Which city has the most tax software consulting firms?

Sao Paulo leads with 408 company records, followed by Berlin (188) and New York (180).

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 41,699 professional contacts with verified work emails tracked across these 21,178 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 September 29, 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.