Company lists · Data refreshed September 2026

Top 16 B2B marketplaces based in Sao Paulo, Brazil

RevenueBase identified 123 B2B marketplaces headquartered in Sao Paulo, Brazil as of September 2026 and tracks 1,233 professional contacts across them, including 186 with verified work emails and 17 with mobile numbers. Sao Paulo is the largest hub.

This list covers B2B marketplaces headquartered in Sao Paulo, 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 7, 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 7, 2026 86% judged on-target in blind review
123Companies
1,233Contacts tracked
186Verified emails
17Mobile numbers
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The 16 largest B2B marketplaces based in Sao Paulo, Brazil

Ranked by team size
Top 16 of 123 B2B marketplaces based in Sao Paulo, Brazil, ranked by team size, largest first. Data refreshed Sep 7, 2026. RevenueBase Smart Search rates how each company's information relates to B2B marketplaces: 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 7, 20261,001-5,000191 contacts →

“A Synapcom é referência no modelo de full service, solução completa para e-commerces em diferentes tipos de negócios e segmentos por meio de serviços exclusivos.”

Source: company website · checked Sep 7, 2026
2Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 202651-200100 contacts →

“A Inventa é uma solução Full Service que conecta indústrias e fornecedores diretamente aos varejistas do Estado de São Paulo, unificando tecnologia, operação e inteligência de…”

Source: company website · checked Sep 7, 2026
3Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 202651-20049 contacts →

“A Omnik é a solução ideal para empresas que buscam expandir suas operações sem a complexidade de gerenciar estoque adicional.”

Source: company website · checked Sep 7, 2026
4Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 202651-20046 contacts →

“Somos a ZAX, uma plataforma que nasceu em 2019 da necessidade de antecipar soluções para a vida de milhões de pessoas que fornecem e revendem confiando no potencial gigante que…”

Source: company website · checked Sep 7, 2026
5Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 202611-5026 contacts →

“Souk directly connects retailers and industries.”

Source: company website · checked Sep 7, 2026
6Partial evidenceSao Paulo, BrazilHQ checked Sep 7, 2026201-50022 contacts →

“Somos a maior plataforma B2B industrial do Brasil, conectando empresas a compradores de todo o país e fortalecendo sua presença digital.”

Source: company website · checked Sep 7, 2026
7Partial evidenceSao Paulo, BrazilHQ checked Sep 7, 202611-5021 contacts →

“Somos a Cotabox, uma plataforma de compras B2B que possui a mais alta tecnologia do mercado.”

Source: company website · checked Sep 7, 2026
8Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 202651-20016 contacts →

“Canal da Peça S.A.”

Source: company website · checked Sep 7, 2026
9Partial evidenceSao Paulo, BrazilHQ checked Sep 7, 20261-1014 contacts →

“A Digigrow conecta seu negócio aos maiores marketplaces do Brasil com 5 lojas oficiais para você se destacar.”

Source: company website · checked Sep 7, 2026
10Partial evidenceSao Paulo, BrazilHQ checked Sep 7, 202611-5010 contacts →

“Há mais de 20 anos atuando em todo o território nacional, especializada em vendas B2B de produtos de tecnologia, telecom e broadcast, buscando reduzir custos, agilizar e facilitar…”

Source: company website · checked Sep 7, 2026
11Partial evidenceSao Paulo, BrazilHQ checked Sep 7, 202651-2009 contacts →

“Fast Channel enables the digital transformation of sales channels of companies looking to expand results in B2B operations.”

Source: company website · checked Sep 7, 2026
12Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 202611-509 contacts →

“Suprevida is a multilateral e-commerce and group buying platform designed to cater to various market segments.”

Source: company website · checked Sep 7, 2026
13Partial evidenceSao Paulo, BrazilHQ checked Sep 7, 20261-109 contacts →

“ONSTOQ is a tech-driven marketplace revolutionizing the procurement of technical materials in Brazil.”

Source: company website · checked Sep 7, 2026
14Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 20261-106 contacts →

“Our unique platform brings together technology vendors and potential buyers in one place where SME get a chance to promote their portfolio instead of wasting time and money on…”

Source: company website · checked Sep 7, 2026
15Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 20261-104 contacts →

“Muito mais do que conectar vendedores e compradores.”

Source: company website · checked Sep 7, 2026
16Indirect evidenceSao Paulo, BrazilHQ checked Sep 7, 202611-503 contacts →

“Especializada em vendas avançadas através da Internet para o setor de tecnologia, a 4Partner é o melhor canal de negócios entre nossos parceiros e sua empresa.”

Source: company website · checked Sep 7, 2026

Showing 16 of 123 B2B marketplaces based in Sao Paulo, Brazil

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B2B marketplaces based in Sao Paulo, Brazil at a glance

As of Sep 7, 2026
15.1%Verified-email coverage
1.4%Mobile-number coverage
10.0Average contacts per company
11-50Median size (employees)
111.4%Largest-city concentration · Sao Paulo
Sep 7, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
43
51-200
20
201-500
3
1,001-5,000
2

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 B2B marketplaces, 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 Sao Paulo, Brazil whose own description of what they do matches “B2B marketplaces”. 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 B2B marketplaces), 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 B2B marketplaces, and records with no verified work email. Companies headquartered outside Sao Paulo 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, 186 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 7, 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.

B2B marketplaces by metro in Brazil

  • B2B marketplaces in Sao Paulo137

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 B2B marketplaces, 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 B2B marketplaces are there based in Sao Paulo, Brazil?

RevenueBase identified 123 B2B marketplaces headquartered in Sao Paulo, 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?

Synapcom By Infracommerce, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most B2B marketplaces?

Sao Paulo leads with 137 headquartered companies, followed by Rio De Janeiro (22) and Belo Horizonte (18).

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 186 verified decision-maker contacts tracked across these 123 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 7, 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.