Company lists · Data verified August 2026

Top 25 Business process outsourcing companies based in Sao Paulo, Brazil

Name: Business process outsourcing companies based in Sao Paulo, Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 239 companies tracked

This directory lists 239 business process outsourcing companies based in Sao Paulo, Brazil, with business contact data for 112,548 contacts and 7,307 email addresses. As of August 2026, Sao Paulo is the single most-represented city among the companies on the list.

Business process outsourcing companies provide outsourced business functions, such as customer support, finance, human resources, data processing, and administrative operations, for other organizations. This list covers companies that provide business process outsourcing services to other organizations, including outsourced operational, administrative, and customer-facing functions. Ranked by team size, largest first. Data current as of August 28, 2026.

239Companies

112,548Contacts tracked

7,307Verified emails

553Mobile numbers

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The 25 largest business process outsourcing companies based in Sao Paulo, Brazil

Ranked by team size

Top 25 of 239 business process outsourcing companies based in Sao Paulo, Brazil, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Atento	Sao Paulo	10001+	77,086	4,111
2	AEC	Sao Paulo	10001+	20,081	2,568
3	Liderança Serviços	Sao Paulo	10001+	4,499	8
4	Flex Relacionamentos Inteligentes	Sao Paulo	n/a	3,960	1
5	EMDIA	Sao Paulo	1,001-5,000	909	7
6	Pluris Mídia	Sao Paulo	1,001-5,000	827	56
7	Almaviva DO Brasil	Sao Paulo	10001+	318	76
8	Grupo Asserth	Sao Paulo	501-1,000	309	43
9	VIK Tech	Sao Paulo	501-1,000	307	61
10	B2finance	Sao Paulo	201-500	290	118
11	Full Time Soluções	Sao Paulo	501-1,000	281	22
12	Grupo RBW	Sao Paulo	1,001-5,000	225	1
13	Techmail	Sao Paulo	201-500	168	25
14	Grupo Solutions	Sao Paulo	201-500	108	1
15	Afas Adviser	Sao Paulo	51-200	74	34
16	Topmind	Sao Paulo	501-1,000	73	16
17	Telecred	Sao Paulo	51-200	73	4
18	Bizpro Processos DE Negócios	Sao Paulo	201-500	71	1
19	Dbios Back Office Services	Sao Paulo	51-200	59	7
20	Fidelity Serviços DE Informática Brasil Ltda	Sao Paulo	501-1,000	51	1
21	Orflie	Sao Paulo	51-200	40	2
22	RS Serviços	Sao Paulo	n/a	39	3
23	Mourão Campos Group	Sao Paulo	51-200	32	19
24	Authentic Work	Sao Paulo	51-200	31	2
25	Tercera	Sao Paulo	501-1,000	25	1

Showing 25 of 239 business process outsourcing companies based in Sao Paulo, Brazil

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Business process outsourcing companies based in Sao Paulo, Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 245 HQs

553Contacts with mobile numbers

37Emails re-verified in last 30 days

Companies by employee count

1-10

110

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Business process outsourcing companies by metro in Brazil

Metro	Companies
Business process outsourcing companies in Sao Paulo	245
Business process outsourcing companies in Rio De Janeiro	67
Business process outsourcing companies in Curitiba	45
Business process outsourcing companies in Belo Horizonte	37
Business process outsourcing companies in Barueri	30
Business process outsourcing companies in Florianopolis	25
Business process outsourcing companies in Brasilia	22
Business process outsourcing companies in Campinas	22

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 “business process outsourcing companies”, with match quality audited by blind human judging, and headquartered in Sao Paulo, 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; 37 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

What are business process outsourcing companies?

Business process outsourcing companies handle selected business functions for other organizations, including customer support, finance, human resources, data processing, and administration.

How many business process outsourcing companies are in this directory?

This directory includes 239 business process outsourcing companies based in Sao Paulo, Brazil.

Which city has the most business process outsourcing companies on the list?

Sao Paulo is the single most-represented city among the companies on the list.

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Related lists

Business process outsourcing companies by geography

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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.