Company lists · Data verified August 2026
Top 12 Author platforms based in Brazil
There are 51 author platforms headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 509 professional contacts across them, including 60 with verified work emails and 4 with mobile numbers. Sao Paulo is the largest hub.
This list covers author platforms headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 12 largest author platforms based in Brazil
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Editora Dialética | 25 |
| 2 |  Clube DE Autores | 7 |
| 3 |  Uiclap | 11 |
| 4 |  Editora Labrador | 4 |
| 5 |  MVB Brasil | 3 |
| 6 |  Digital PEN | 2 |
| 7 |  Loope Editora | 3 |
| 8 |  Editora B18 | 1 |
| 9 |  Editora Livro Rápido | 1 |
| 10 |  Bookerang Editora E Produtora | 1 |
| 11 |  Nextmidia Soluções Interativas | 1 |
| 12 |  BINGO | 1 |
Showing 12 of 51 author platforms based in Brazil
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Author platforms based in Brazil at a glance
As of Aug 28, 2026Companies by employee count
Author platforms by metro
| Metro | Companies |
|---|---|
| Author platforms in Sao Paulo | 22 |
| Author platforms in Rio De Janeiro | 4 |
| Author platforms in Porto Alegre | 3 |
| Author platforms in Brasilia | 2 |
| Author platforms in Joinville | 2 |
| Author platforms in Curitiba | 2 |
| Author platforms in Ribeirao Preto | 1 |
| Author platforms in Sao Luis | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “author platforms”, with match quality audited by blind human judging, and headquartered in Brazil.
- 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
- Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many author platforms are there based in Brazil?
There are 51 author platforms headquartered in Brazil as of August 2026 (RevenueBase).
What is the largest company on this list?
Editora Dialética, headquartered in Sao Paulo, tops this list with the largest team on record.
Which city has the most author platforms?
Sao Paulo leads with 22 headquartered companies, followed by Rio De Janeiro (4) and Porto Alegre (3).
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 60 verified decision-maker contacts tracked across these 51 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.