Company lists · Data refreshed September 2026

Top 18 Irs compliance software companies based in Brazil

RevenueBase identified 42 irs compliance software companies headquartered in Brazil as of September 2026 and tracks 1,302 professional contacts across them, including 522 with verified work emails and 24 with mobile numbers. Sao Paulo is the largest hub.

This list covers irs compliance software companies 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 4, 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 4, 2026 86% judged on-target in blind review
42Companies
1,302Contacts tracked
522Verified emails
24Mobile numbers
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The 18 largest irs compliance software companies based in Brazil

Ranked by team size
Top 18 of 42 irs compliance software companies based in Brazil, ranked by team size, largest first. Data refreshed Sep 4, 2026. RevenueBase Smart Search rates how each company's information relates to irs compliance software companies: 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
1Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 202651-200198 contacts →

Indirect evidence

“A Reforma Tributária já começou.”

Source: RevenueBase Database · checked Sep 4, 2026
2Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 202651-200189 contacts →

Indirect evidence

“Systax: The Evolution of Tax Intelligence.”

Source: RevenueBase Database · checked Sep 4, 2026
3Indirect evidenceJuiz De Fora, BrazilHQ checked Sep 4, 202651-200187 contacts →

Indirect evidence

“Desde 2009, oferecemos soluções inteligentes que aprimoram a rotina de trabalho de profissionais contábeis e tributários, auxiliando na identificação de inconsistências e…”

Source: RevenueBase Database · checked Sep 4, 2026
4Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 202651-20098 contacts →

Indirect evidence

“A Avalara ajuda empresas de todos os tamanhos a ficarem em dia com seus impostos e obrigações fiscais exigidos pelo Fisco nos níveis Federal, Estadual e Municipal.”

Source: RevenueBase Database · checked Sep 4, 2026
5Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 202611-5054 contacts →

Indirect evidence

“Nós da REVIO, somos motivados em desenvolver tecnologia e prover gestão de dados e informações, para contribuir com as empresas no direcionamento do recolhimento correto de…”

Source: RevenueBase Database · checked Sep 4, 2026
6Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 202611-5042 contacts →

Indirect evidence

“Somos empresa de tecnologia especializada em criar soluções para profissionais da área tributária.”

Source: RevenueBase Database · checked Sep 4, 2026
7Indirect evidenceMarilia, BrazilHQ checked Sep 4, 202651-20036 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 4, 2026
8Indirect evidenceSorocaba, BrazilHQ checked Sep 4, 202611-5033 contacts →

Indirect evidence

“A S2M Solutions To Middle, fundada em 1998, atua no Mercado de tecnologia da informação e destaca-se pela alta performance na prestação de serviços e desenvolvimento de soluções…”

Source: RevenueBase Database · checked Sep 4, 2026
9Partial evidenceGoiania, BrazilHQ checked Sep 4, 202651-20028 contacts →

Partial evidence

“Empresa de desenvolvimento de software, em especial de soluções para gestão e compartilhamento de documentos fiscais eletrônicos na cadeia de suprimentos.”

Source: RevenueBase Database · checked Sep 4, 2026
10Indirect evidenceCampinas, BrazilHQ checked Sep 4, 202611-5015 contacts →

Indirect evidence

“Nosso propósito é desenvolver tecnologias inovadoras para recuperação de tributos e outras oportunidades tributárias, de forma fácil e descomplicada para nossos clientes.”

Source: RevenueBase Database · checked Sep 4, 2026
11Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 202611-5014 contacts →

Indirect evidence

“Certamente, a gestão manual dos processos administrativos, especialmente aqueles relacionados à compensação de tributos federais, pode ser um desafio significativo para as…”

Source: RevenueBase Database · checked Sep 4, 2026
12Partial evidencePorto Alegre, BrazilHQ checked Sep 4, 20261-1010 contacts →

Partial evidence

“A 4SOLVE é especialista em soluções tecnológicas e serviços para governança corporativa e compliance fiscal.”

Source: RevenueBase Database · checked Sep 4, 2026
13Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 20261-108 contacts →

Indirect evidence

“A Haddad Neto Smart é uma empresa de consultoria tributária e tecnologia sediada em São Paulo.”

Source: RevenueBase Database · checked Sep 4, 2026
14Indirect evidenceSão Paulo, BrazilHQ checked Sep 4, 20261-104 contacts →

Indirect evidence

“Referência em desenvolvimento tecnológico inovador, com especialização na área tributária Nossa empresa é reconhecida como referência em desenvolvimento tecnológico inovador, com…”

Source: RevenueBase Database · checked Sep 4, 2026
15Indirect evidenceRibeirao Preto, BrazilHQ checked Sep 4, 20261-103 contacts →

Indirect evidence

“A Justax é uma empresa inovadora que oferece uma solução avançada de automação tributária, simplificando o cálculo de impostos para você.”

Source: RevenueBase Database · checked Sep 4, 2026
16Indirect evidenceCuritiba, BrazilHQ checked Sep 4, 202611-503 contacts →

Indirect evidence

“A M2V Systems vem nos últimos anos voltando os seus esforços ao atendimento de novos requisitos do governo Brasileiro, criando módulos integrados para a melhor gestão empresarial.”

Source: RevenueBase Database · checked Sep 4, 2026
17Partial evidenceSao Paulo, BrazilHQ checked Sep 4, 202611-502 contacts →

Partial evidence

“Fornecemos soluções especializadas em tratamento, perícia e compliance de dados e informações tributárias e fiscais, com foco na qualidade e na expertise a fim de auxiliar…”

Source: RevenueBase Database · checked Sep 4, 2026
18Indirect evidenceSao Paulo, BrazilHQ checked Sep 4, 20261-101 contacts →

Indirect evidence

“Soluções Tecnológicas Inovadoras para TAX”

Source: RevenueBase Database · checked Sep 4, 2026

Showing 18 of 42 irs compliance software companies based in Brazil

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Irs compliance software companies based in Brazil at a glance

As of Sep 4, 2026
40.1%Verified-email coverage
1.8%Mobile-number coverage
31.0Average contacts per company
11-50Median size (employees)
40.5%Largest-city concentration · Sao Paulo
Sep 4, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
17
51-200
7
201-500
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 irs compliance software companies, 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 “irs compliance software companies”. 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 irs compliance software companies), 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 irs compliance software companies, 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, 522 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 4, 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 irs compliance software companies, 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 irs compliance software companies are there based in Brazil?

RevenueBase identified 42 irs compliance software companies 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?

ROIT, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most irs compliance software companies?

Sao Paulo leads with 17 headquartered companies, followed by Barueri (2) and Campinas (2).

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 522 verified decision-maker contacts tracked across these 42 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 4, 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.