Company lists · Data refreshed November 2026

Top 17 Tax software development companies based in Brazil

RevenueBase identified 47 company matches for tax software development companies associated with Brazil as of November 2026 and tracks 1,991 professional contacts across them, including 641 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for tax software development companies associated with Brazil, 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 5, 2026.

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 5, 2026 How this list was built
47Companies
1,991Contacts tracked
641Verified emails
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The 17 largest tax software development companies based in Brazil

Ranked by team size
Top 17 of 47 company matches for tax software development companies based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchSao Paulo, BrazilHQ recorded Nov 5, 2026201-500576 contacts →

Exact match

“Fundada em 1987, a CONTMATIC PHOENIX é uma Empresa em grande expansão nacional especializada no desenvolvimento de Softwares Administrativos, oferecendo soluções necessárias e…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSao Paulo, BrazilHQ recorded Nov 5, 2026201-500329 contacts →

Exact match

“Desde 1986 a Prosoft desenvolve softwares para apoiar empresários contábeis a aconselhar seus clientes com rapidez, precisão e eficiência.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202651-200195 contacts →

Exact match

“Systax: The Evolution of Tax Intelligence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchJuiz De Fora, BrazilHQ recorded Nov 5, 202651-200187 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202651-200126 contacts →

Exact match

“A Jettax é o único ecossistema completo de automação fiscal, pensado para escritórios contábeis e empresas que buscam mais eficiência.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSao Paulo, BrazilHQ recorded Nov 5, 2026501-1,000117 contacts →

Exact match

“Siga a página oficial do Grupo IOB:”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202651-20069 contacts →

Exact match

“Desde 2010 estamos empenhados em resolver os desafios da área fiscal de nossos clientes, oferecendo soluções inovadoras e realmente capazes de simplificar a complexidade da…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202611-5043 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchMarília, BrazilHQ recorded Nov 5, 202651-20039 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Conheça a Gomara, a startup de taxtech que liberta e empodera as pessoas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202611-5026 contacts →

Exact match

“Ferramenta para o contador analisar as declarações de IRPF dos seus clientes de forma inteligente, rápida e segura.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchNovo Hamburgo, BrazilHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“Somos uma empresa de tecnologia focada na área fiscal e contábil.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchCampinas, BrazilHQ recorded Nov 5, 202611-506 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202651-2005 contacts →

Exact match

“Com o Sigob, sua empresa/escritório de contabilidade gerencia de forma simples e eficaz todas suas obrigações fiscais e tributárias, reduzindo o risco tributário, e ainda armazena…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSão Paulo, BrazilHQ recorded Nov 5, 20261-104 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchRio De Janeiro, BrazilHQ recorded Nov 5, 20261-104 contacts →

Exact match

“A legislação tributária é extensa e complexa.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchFeira De Santana, BrazilHQ recorded Nov 5, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 17 of 47 tax software development companies based in Brazil

See the full list, filter by size, metro and specialty, and access 641 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax software development companies based in Brazil at a glance

As of Nov 5, 2026
32.2%Verified-email coverage
42.4Average contacts per company
11-50Median size (employees)
31.9%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
18
51-200
7
201-500
3
501-1,000
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 47 companies.

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.
What qualifies
Company records associated with Brazil whose business descriptions match “tax software development 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 641 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 5, 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.

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 software development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax software development companies are there based in Brazil?

RevenueBase identified 47 company matches for tax software development companies associated with Brazil 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?

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

Which city has the most tax software development companies?

Sao Paulo leads with 15 company records, followed by Rio De Janeiro (3) and Barueri (2).

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 641 professional contacts with verified work emails tracked across these 47 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 5, 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.