Company lists · Data refreshed September 2026

Top 25 Tax preparation outsourcing services based in Brazil

RevenueBase identified 524 tax preparation outsourcing services headquartered in Brazil as of September 2026 and tracks 3,684 professional contacts across them, including 590 with verified work emails. Sao Paulo is the largest hub.

This list covers tax preparation outsourcing services headquartered in Brazil, 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.

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 29, 2026 86% judged on-target in blind review
524Companies
3,684Contacts tracked
590Verified emails
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The 25 largest tax preparation outsourcing services based in Brazil

Ranked by team size
Top 25 of 524 tax preparation outsourcing services based in Brazil, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to tax preparation outsourcing services: 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
1Strong evidenceSão Paulo, BrazilHQ checked Sep 29, 202651-200177 contacts →

Strong evidence

“ABordin has provided high-quality services in the following areas, for the past 37 years: Business Process Outsourcing, Audit and Tax Consulting, Individual Income Tax…”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceSão Paulo, BrazilHQ checked Sep 29, 202651-20093 contacts →

Indirect evidence

“A SETECO Consultoria Contábil transforma conhecimento e experiência acumulados ao longo de mais de 50 anos em valor para o cliente.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceSanto André, BrazilHQ checked Sep 29, 202611-5084 contacts →

Indirect evidence

“A PERSON personaliza seus serviços superando as ofertas do mercado e estabelecendo relações de cumplicidade e união efetiva com seus clientes, tratando cada um deles de modo…”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceBalneário Camboriú, BrazilHQ checked Sep 29, 202651-20071 contacts →

Indirect evidence

“Somos uma empresa de serviços profissionais, capacitados e com foco na aplicação de conhecimento técnico aliado a experiência para resolver desafios empresariais, com uso…”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceSão Paulo, BrazilHQ checked Sep 29, 202651-20054 contacts →

Indirect evidence

“Somos um escritório full service na área tributária, com especialização e experiência para oferecer soluções completas a empresas dos mais diversos ramos e setores da economia.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceSão Paulo, BrazilHQ checked Sep 29, 202651-20050 contacts →

Indirect evidence

“Fundada em 1993, a Contjet vem traçando estratégias, sempre buscando a melhor alternativa para os objetivos dos clientes, e isso tem sido nossa característica primordial, o que…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceBrasilia, BrazilHQ checked Sep 29, 20261,001-5,00045 contacts →

Indirect evidence

“Página ativa do Grupo 5 Estrelas!”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceItu, BrazilHQ checked Sep 29, 202651-20041 contacts →

Indirect evidence

“A empresa Menezes & Sgarbi Assessoria Contábil iniciou suas atividades em julho de 1995, com a finalidade de prestar serviços nas áreas de terceirização de serviços contábeis…”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceOsasco, BrazilHQ checked Sep 29, 202611-5039 contacts →

Indirect evidence

“A Brasct é uma empresa de Contabilidade focada em atender pequenas e médias empresas em todo Brasil há 50 anos.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 29, 202651-20039 contacts →

Indirect evidence

“BPS4 foi criada para oferecer um novo conceito para soluções de processos de negócios (contabilidade, impostos, finanças e folha de pagamento).”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceBom Jesus Do Itabapoana, BrazilHQ checked Sep 29, 202651-20038 contacts →

Indirect evidence

“Contabilidade - Consultoria Tributária”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceSão José Dos Campos, BrazilHQ checked Sep 29, 202651-20037 contacts →

Indirect evidence

“Soluções: BPO Contábil | Fiscal | Trabalhista | Tributário | Societário SGQ certificado ISO 9001”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 29, 202611-5034 contacts →

Indirect evidence

“Somos um escritório de contabilidade no Rio de Janeiro e através de parcerias duradouras queremos construir resultados para você e sua empresa.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceSao Paulo, BrazilHQ checked Sep 29, 202611-5033 contacts →

Indirect evidence

“Organizacao Contabil Bandeirantes is an accounting company based out of R Jardim Ivone, 17, Andar 8, Sao Paulo, Sp, Brazil.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceSão Bernardo Do Campo, BrazilHQ checked Sep 29, 202651-20033 contacts →

Indirect evidence

“Fundado em 2002 e atuando inicialmente em São Bernardo do Campo, o Escritório Contábil Samá, está há 07 anos no mercado, comprovando sempre muita perseverança, dedicação e…”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceUberlândia, BrazilHQ checked Sep 29, 202611-5033 contacts →

Indirect evidence

“A Fama Empresarial é uma empresa de contabilidade e gestão empresarial com mais de 40 anos de história, construída com base em confiança, qualidade técnica e relacionamento…”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceSao Paulo, BrazilHQ checked Sep 29, 202651-20032 contacts →

Partial evidence

“Mourão Campos Group offers solutions in Legal Representation, BPO in the accounting, tax, financial and payroll areas and high-performance Paralegal Services, always focusing on…”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceSão Paulo, BrazilHQ checked Sep 29, 202611-5030 contacts →

Indirect evidence

“Vexsea Contabilidade 🥇Há mais de 15 anos ajudando empreendedores empresas atendidas em todo Contábil | Fiscal | RH | Societário | BPO ↘ Vamos abrir seu CNPJ?”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceCambé, BrazilHQ checked Sep 29, 202611-5025 contacts →

Indirect evidence

“Empresa de Contabilidade Terceirizada, com Filial em Ibiporã/PR, Especialista em Lucro Real, Lucro Presumido, Associações, Igrejas e Simples Nacional.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceSão Paulo, BrazilHQ checked Sep 29, 202611-5024 contacts →

Indirect evidence

“Fundada em 1990, em São Paulo, por quatro especialistas em contabilidade, folha de pagamento e gestão de tributos, a KNTS Brasil consolidou-se como referência em terceirização…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceRecife, BrazilHQ checked Sep 29, 202611-5023 contacts →

Indirect evidence

“A Aunord é uma boutique tributária e contábil criada por sócios com ampla experiência de mercado, com a missão de transformar a complexidade fiscal brasileira em economia real e…”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceCuritiba, BrazilHQ checked Sep 29, 202611-5023 contacts →

Indirect evidence

“Bwise Accounting”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceBarueri, BrazilHQ checked Sep 29, 202611-5021 contacts →

Indirect evidence

“Oferecemos soluções personalizadas que abrangem todos os serviços essenciais para uma gestão empresarial eficaz!”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidencePorto Alegre, BrazilHQ checked Sep 29, 202611-5019 contacts →

Indirect evidence

“A GATTI CONTABILIDADE é hoje uma empresa com 195 clientes ativos e conta com 40 funcionários.”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceMaringá, BrazilHQ checked Sep 29, 202611-5019 contacts →

Indirect evidence

“Dispomos de uma estrutura totalmente informatizada e contamos com uma equipe altamente qualificada para a prestação de serviços à empresas de pequeno, médio e grande porte, mas…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 524 tax preparation outsourcing services based in Brazil

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Tax preparation outsourcing services based in Brazil at a glance

As of Sep 29, 2026
16.0%Verified-email coverage
7.0Average contacts per company
1-10Median size (employees)
19.5%Largest-city concentration · Sao Paulo
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
309
11-50
183
51-200
26
201-500
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 524 companies.

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 preparation outsourcing services, 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.
What qualifies
Companies headquartered in Brazil whose own description of what they do matches “tax preparation outsourcing services”. 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 preparation outsourcing services), 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 preparation outsourcing services, and records with no verified work email. Companies headquartered outside Brazil are excluded even when they keep an office there.
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, 590 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.

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 preparation outsourcing services, 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 preparation outsourcing services are there based in Brazil?

RevenueBase identified 524 tax preparation outsourcing services headquartered in Brazil 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?

Assessor-Bordin Consultores Empresariais SS, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most tax preparation outsourcing services?

Sao Paulo leads with 102 headquartered companies, followed by Rio De Janeiro (28) and Curitiba (19).

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 590 verified decision-maker contacts tracked across these 524 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.