Company lists · Data refreshed September 2026
Top 25 Tax deduction consulting firms worldwide
RevenueBase identified 1,583 tax deduction consulting firms worldwide as of September 2026 and tracks 7,492 professional contacts across them, including 2,394 with verified work emails. Germany is the largest market and Berlin the largest hub.
This list covers tax deduction consulting 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 29, 2026. Country and city lists for tax deduction consulting 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.
The 25 largest tax deduction consulting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 399 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 223 contacts → | ||||
Indirect evidence “At Source Advisors, relationships matter.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 198 contacts → | ||||
Indirect evidence “Die ADS Steuer.Beratung ist Ihr spezialisierter Partner für ganzheitliche Steuerberatung – exklusiv für Unternehmen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 145 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 102 contacts → | ||||
Strong evidence “There are many companies that offer tax credit and incentive consulting services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 96 contacts → | ||||
Indirect evidence “LBG - die Steuerberatung für Familienunternehmen, Klein- und Mittelbetriebe, Freie Berufe, Personen- und Kapitalgesellschaften, Vereine, Verbände, mittelständische…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 88 contacts → | ||||
Partial evidence “CTI specializes in helping businesses take full advantage of the tax credits and incentives they’re entitled to receive.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 87 contacts → | ||||
Indirect evidence “We focus on saving Clients money so they can focus on growing their company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 81 contacts → | ||||
Indirect evidence “FISCALIA est une entreprise résolument indépendante spécialisée dans le conseil en optimisation fiscale, les solutions de défiscalisation, l'investissement et le financement…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 78 contacts → | ||||
Strong evidence “Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 70 contacts → | ||||
Partial evidence “Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 68 contacts → | ||||
Indirect evidence “Unsere Steuerberater in Köln, Düsseldorf, Frankfurt, Bonn und Dubai haben sich besonders auf die Steuerberatung von Kapitalgesellschaften und Personengesellschaften spezialisiert.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 57 contacts → | ||||
Partial evidence “Tax credit studies may not be something you do every day – luckily for you Tri-Merit does.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 54 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 52 contacts → | ||||
Partial evidence “Prime Consult is an emerging growing consultant with a vision to provide high quality, timely, and innovative tax and financial advisory services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 48 contacts → | ||||
Partial evidence “At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 48 contacts → | ||||
Indirect evidence “Contabilidade, Consultoria Fiscal e Departamento Pessoal, Consultoria Tributária, Financeira e Custos, Consultoria e Elaboração do IRPF, Avaliação de negócios e Valor da Empresa.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 47 contacts → | ||||
Partial evidence “We are premier tax strategy consultants.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 47 contacts → | ||||
Indirect evidence “Somos a AFL Consultores Associados.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 45 contacts → | ||||
Strong evidence “Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 40 contacts → | ||||
Strong evidence “With over 50 years of experience, Robert Hall & Associates is your trusted partner for tax preparation and consulting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 39 contacts → | ||||
Partial evidence “At Gelt, we are committed to delivering top-tier tax solutions that enable you to retain more of your hard-earned income.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 38 contacts → | ||||
Indirect evidence “Surgimos com o propósito de gerar resultados para nossos clientes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 37 contacts → | ||||
Partial evidence “WE OFFER THE MOST COMPREHENSIVE AND HOLISTIC APPROACH TO CUTTING TAXES.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 36 contacts → | ||||
Strong evidence “RK Partners is a leading global tax credit consulting firm that specializes in helping companies US based businesses generate funding through R&D Tax Credits and Energy Incentives.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: tax deduction consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names tax deduction consulting firms.
- Partial evidence
- Its own public description names part of tax deduction consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tax deduction consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,583 tax deduction consulting firms worldwide
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Tax deduction consulting firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 tax deduction consulting 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 tax deduction consulting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “tax deduction consulting 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 tax deduction consulting 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 tax deduction consulting 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, 2,394 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 29, 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.
Tax deduction consulting firms by location
5 lists · largest firstEvery Tax deduction consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax deduction consulting firms based in Germany647
- Tax deduction consulting firms based in the United States320
- Tax deduction consulting firms based in Brazil126
- Tax deduction consulting firms based in Austria64
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 tax deduction consulting 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 tax deduction consulting firms are there worldwide?
RevenueBase identified 1,583 tax deduction consulting 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?
Apercen Partners LLC, headquartered in Palo Alto, tops this list with the largest team on record.
Which country has the most tax deduction consulting firms?
Germany leads with 647 companies, followed by the United States (320) and Brazil (126). Every tax deduction consulting firms list by country and city is linked on this page.
Which city has the most tax deduction consulting firms?
Berlin leads with 47 headquartered companies, followed by Sao Paulo (28) and Hamburg (20).
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 2,394 verified decision-maker contacts tracked across these 1,583 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 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 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.