Company lists · Data refreshed November 2026

Top 25 Tax optimization advisors worldwide

RevenueBase identified 11,039 company matches for tax optimization advisors worldwide as of November 2026 and tracks 60,504 professional contacts across them, including 17,922 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax optimization advisors 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 November 6, 2026. Country and city lists for tax optimization advisors 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 Nov 6, 2026 How this list was built
11,039Companies
60,504Contacts tracked
17,922Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest tax optimization advisors worldwide

Ranked by team size
Top 25 of 11,039 company matches for tax optimization advisors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchBrighton, United KingdomHQ recorded Nov 6, 2026n/a2,211 contacts →

Exact match

“A traditional general practice, with a twist.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMexico City, MexicoHQ recorded Nov 6, 2026501-1,000740 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026201-500427 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchExton, GA, United StatesHQ recorded Nov 6, 2026501-1,000386 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWayne, OH, United StatesHQ recorded Nov 6, 2026201-500294 contacts →

Exact match

“GTM is a leading provider of corporate tax services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCalgary, ON, CanadaHQ recorded Nov 6, 2026201-500270 contacts →

Exact match

“For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSenningerberg, LuxembourgHQ recorded Nov 6, 202651-200258 contacts →

Exact match

“We are a high-end independent advisory firm offering a comprehensive and integrated range of direct and indirect tax solutions, as well as corporate finance, transfer pricing and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact match2900 Hellerup, DenmarkHQ recorded Nov 6, 2026201-500242 contacts →

Exact match

“KPMG ACOR TAX is a full-service tax consultancy firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchArlington, TX, United StatesHQ recorded Nov 6, 202651-200242 contacts →

Exact match

“At Source Advisors, relationships matter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200234 contacts →

Exact match

“Blevins Franks is the leading international tax and wealth management adviser to British nationals living in Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBryanston, South AfricaHQ recorded Nov 6, 202651-200229 contacts →

Exact match

“Tax advisory and compliance in South Africa is our niche expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 6, 202651-200219 contacts →

Exact match

“Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHamburg, GermanyHQ recorded Nov 6, 2026501-1,000206 contacts →

Exact match

“Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDraper, UT, United StatesHQ recorded Nov 6, 2026201-500187 contacts →

Exact match

“Stop overpaying the IRS and start fueling your business passions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+171 contacts →

Exact match

“Thoughtfully structuring and managing your tax affairs is more important than ever.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchShrewsbury, United KingdomHQ recorded Nov 6, 2026201-500168 contacts →

Exact match

“We are a firm of dedicated Accountants, Business Advisors & Tax Specialists, fully committed to enhancing and protecting our clients’ financial position.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“A Certacon nasceu da união de profissionais altamente experientes aliado aos melhores e mais completos softwares do mercado, com o propósito de prestar serviços nas áreas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNewport, United KingdomHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“Award winning accountants & tax advisors based in Newport, South Wales.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202651-200136 contacts →

Exact match

“A BMS Consultoria Tributária é um escritório boutique com 15 anos de experiência em auditoria e consultoria fiscal, especializada na redução de custos, vem para somar e gerar…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Nov 6, 2026201-500135 contacts →

Exact match

“Expat US Tax helps US citizens and Green Card holders living and working abroad, with a focus on Australia, the UK and the Middle East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLa Jolla, CA, United StatesHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“Since 1985, we’ve built a firm where clients receive the highest quality of services, where our people play an important role as they grow professionally and where we as a firm…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilan, ItalyHQ recorded Nov 6, 2026201-500131 contacts →

Exact match

“Soluzione Tasse è una società specializzata in pianificazione fiscale e protezione del patrimonio che si avvale di team di 35 professionisti, tra cui dottori commercialisti…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGorredijk, NetherlandsHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“Van der Veen & Kromhout Registeraccountants en Belastingadviseurs ondersteunt met een compleet financieel-zakelijk dienstenpakket haar relaties in het MKB, de agrarische sector…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVancouver, ON, CanadaHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPlano, CA, United StatesHQ recorded Nov 6, 202651-200115 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 11,039 tax optimization advisors worldwide

See the full list, filter by size, metro and specialty, and access 17,922 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Tax optimization advisors worldwide at a glance

As of Nov 6, 2026
29.6%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
7,434
11-50
2,904
51-200
370
201-500
45
501-1,000
10
1,001-5,000
7
10001+
3

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 optimization advisors are linked below.
What qualifies
Company records worldwide whose business descriptions match “tax optimization advisors” 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 17,922 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 November 6, 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 optimization advisors by location

55 lists · largest first

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

How many tax optimization advisors are there worldwide?

RevenueBase identified 11,039 company matches for tax optimization advisors worldwide as of November 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?

TAX Consultant tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most tax optimization advisors?

The United States leads with 3,428 companies, followed by Germany (1,756) and Brazil (762). Every tax optimization advisors list by country and city is linked on this page.

Which city has the most tax optimization advisors?

Sao Paulo leads with 167 company records, followed by London (135) and Berlin (112).

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 17,922 professional contacts with verified work emails tracked across these 11,039 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 11,039 tax optimization advisors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.