Company lists · Data verified August 2026

Top 25 Bpo companies based in Sao Paulo, Brazil

Name: Bpo 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 208 companies tracked

There are 208 bpo companies headquartered in Sao Paulo, Brazil (RevenueBase, August 2026). RevenueBase tracks 111,121 professional contacts across them, including 7,324 with verified work emails and 544 with mobile numbers. Sao Paulo is the largest hub.

This list covers bpo companies headquartered in Sao Paulo, 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.

208Companies

111,121Contacts tracked

7,324Verified emails

544Mobile numbers

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The 25 largest bpo companies based in Sao Paulo, Brazil

Ranked by team size

Top 25 of 208 bpo 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	Flex Relacionamentos Inteligentes	Sao Paulo	n/a	3,960	1
4	Grupo Contax	Sao Paulo	10001+	2,857	21
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	Bcr.Cx, Zendesk Partner Of The Year 2026	Sao Paulo	201-500	312	63
9	Grupo Asserth	Sao Paulo	501-1,000	309	43
10	VIK Tech	Sao Paulo	501-1,000	307	61
11	Full Time Soluções	Sao Paulo	501-1,000	281	22
12	Techmail	Sao Paulo	201-500	168	25
13	Apex America Brasil	Sao Paulo	501-1,000	164	28
14	Grupo Solutions	Sao Paulo	201-500	108	1
15	Kalendae	Sao Paulo	51-200	105	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	Igniscorp	Sao Paulo	51-200	66	29
20	Dbios Back Office Services	Sao Paulo	51-200	59	7
21	Fidelity Serviços DE Informática Brasil Ltda	Sao Paulo	501-1,000	51	1
22	Montanari Tecnologia	Sao Paulo	51-200	48	11
23	Intelmais Serviços DE Callcenter	Sao Paulo	201-500	48	1
24	Positec Global Solutions	Sao Paulo	51-200	45	9
25	Orflie	Sao Paulo	51-200	40	2

Showing 25 of 208 bpo companies based in Sao Paulo, Brazil

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Bpo companies based in Sao Paulo, Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 197 HQs

544Contacts with mobile numbers

40Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Bpo companies by metro in Brazil

Metro	Companies
Bpo companies in Sao Paulo	197
Bpo companies in Rio De Janeiro	47
Bpo companies in Curitiba	38
Bpo companies in Belo Horizonte	31
Bpo companies in Florianopolis	26
Bpo companies in Barueri	22
Bpo companies in Brasilia	17
Bpo companies in Fortaleza	16

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 “bpo 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; 40 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 bpo companies are there based in Sao Paulo, Brazil?

There are 208 bpo companies headquartered in Sao Paulo, Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most bpo companies?

Sao Paulo leads with 197 headquartered companies, followed by Rio De Janeiro (47) and Curitiba (38).

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 7,324 verified decision-maker contacts tracked across these 208 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.