Company lists · Data refreshed October 2026

Top 25 Real estate tax assessment companies worldwide

RevenueBase identified 1,471 company matches for real estate tax assessment companies worldwide as of October 2026 and tracks 10,855 professional contacts across them, including 3,960 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for real estate tax assessment companies 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 real estate tax assessment companies 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
1,471Companies
10,855Contacts tracked
3,960Verified emails
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The 25 largest real estate tax assessment companies worldwide

Ranked by team size
Top 25 of 1,471 company matches for real estate tax assessment companies 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 matchSydney, AustraliaHQ recorded Oct 22, 2026501-1,000734 contacts →

Exact match

“At Herron Todd White, we’re proud to be one of Australia’s largest independent property valuation and advisory firms.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchDallas, TX, United StatesHQ recorded Oct 22, 2026501-1,000702 contacts →

Exact match

“BBG is a nationally recognized valuation and assessment firm with a reputation for personal attention, deep industry experience, and a proactive approach to meet client deadlines.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchHouston, United StatesHQ recorded Oct 22, 202651-200251 contacts →

Exact match

“In business since 1974, we have the resources and unparalleled market expertise to provide you with all of your real estate valuation and consulting needs.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchAcumentis, AustraliaHQ recorded Oct 22, 2026201-500250 contacts →

Exact match

“Acumentis is Australia’s only professional property and business valuation and advisory services firm listed on the Australian Stock Exchange.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchDallas, TX, United StatesHQ recorded Oct 22, 2026201-500233 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchToledo, OH, United StatesHQ recorded Oct 22, 2026201-500157 contacts →

Exact match

“Opteon is an international provider of valuation, advisory, and property services through innovative software solutions.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchSan Juan De Alicante, SpainHQ recorded Oct 22, 202651-200157 contacts →

Exact match

“EUROVAL, marca y denominación comercial de Eurovaloraciones, S.A, es una Sociedad de referencia en el sector español de la Tasación y una de las firmas independientes con más…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchSan Antonio, TX, United StatesHQ recorded Oct 22, 202651-200114 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchOrlando, FL, United StatesHQ recorded Oct 22, 202651-200110 contacts →

Exact match

“The Orange County Property Appraiser's Office, under the leadership of the Honorable Amy Mercado, is responsible for identifying, locating, and fairly valuing all property, both…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchFort Worth, TX, United StatesHQ recorded Oct 22, 2026201-500108 contacts →

Exact match

“TAD Responsibilities Tarrant Appraisal District (TAD) is a political subdivision of the State of Texas created effective January 1, 1980.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchFort Worth, TX, United StatesHQ recorded Oct 22, 202651-200103 contacts →

Exact match

“P&A provides comprehensive valuation and IT consulting services for ad valorem (property) tax purposes.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Oct 22, 202651-20097 contacts →

Exact match

“Flanagan Bilton is the country’s premier Commercial Property Tax Advisory Company and our services include Commercial Property Tax Advisory, Legal Services, and a Breakthrough…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchDallas, TX, United StatesHQ recorded Oct 22, 202651-20094 contacts →

Exact match

“Tax Advisors Group (TAG) is a leading National property tax consulting firm that specializes in minimizing property taxes.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Oct 22, 202651-20094 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchLittleton, CO, United StatesHQ recorded Oct 22, 2026n/a87 contacts →

Exact match

“You deserve to know what your property is worth.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchIrving, TX, United StatesHQ recorded Oct 22, 202651-20085 contacts →

Exact match

“Lowery Property Advisors is a full-service, tech-enabled commercial real estate appraisal and advisory firm specializing in comprehensive commercial property valuation and…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchOverland Park, KS, United StatesHQ recorded Oct 22, 202651-20085 contacts →

Exact match

“Property Valuation Services is a boutique property tax consulting firm, specializing in the reduction of property tax liability for our clients.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchOmaha, United StatesHQ recorded Oct 22, 202611-5076 contacts →

Exact match

“Mitchell & Associates, Inc, began in 1946 as R.F.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchElgin, IL, United StatesHQ recorded Oct 22, 202651-20073 contacts →

Exact match

“We understand that searching for the right property tax firm can be a hassle.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchDartmouth, NS, CanadaHQ recorded Oct 22, 202651-20067 contacts →

Exact match

“Property Valuation Services Corporation (PVSC) is an independent, municipally funded, not-for-profit organization that provides property assessment services and information to…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchKansas City, MO, United StatesHQ recorded Oct 22, 202611-5062 contacts →

Exact match

“The International Association of Assessing Officers (IAAO) is the preeminent source for innovation, education and research in property appraisal, assessment administration and…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchChesterfield, MO, United StatesHQ recorded Oct 22, 202611-5061 contacts →

Exact match

“The Joseph C.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchAustin, TX, United StatesHQ recorded Oct 22, 202651-20053 contacts →

Exact match

“Since 1983, Popp Hutcheson PLLC has devoted 100 percent of its practice to representing property owners for the purpose of reducing their property tax liability.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchTampa, FL, United StatesHQ recorded Oct 22, 2026201-50052 contacts →

Exact match

“Voxtur is a transformational real estate technology company that is redefining industry standards in a dynamic lending environment.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchBurlington, ON, CanadaHQ recorded Oct 22, 202611-5048 contacts →

Exact match

“Antec Appraisal Group is a leader in providing real estate valuation and consulting services in Southern Ontario.”

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

Showing 25 of 1,471 real estate tax assessment companies worldwide

See the full list, filter by size, metro and specialty, and access 3,960 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Real estate tax assessment companies worldwide at a glance

As of Oct 22, 2026
36.5%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Houston
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
1,004
11-50
352
51-200
76
201-500
23
501-1,000
5
1,001-5,000
1
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 real estate tax assessment companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “real estate tax assessment 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. 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 3,960 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.

Real estate tax assessment companies by location

6 lists · largest first

Every Real estate tax assessment companies 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 “real estate tax assessment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many real estate tax assessment companies are there worldwide?

RevenueBase identified 1,471 company matches for real estate tax assessment companies 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?

Herron Todd White tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most real estate tax assessment companies?

The United States leads with 697 companies, followed by Canada (76) and Germany (75). Every real estate tax assessment companies list by country and city is linked on this page.

Which city has the most real estate tax assessment companies?

Houston leads with 26 company records, followed by Dallas (22) and Chicago (21).

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 3,960 professional contacts with verified work emails tracked across these 1,471 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.