Company lists · Data verified August 2026

Top 25 Customer retention consulting firms based in Brazil

Name: Customer retention consulting firms based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 158 companies tracked

There are 158 customer retention consulting firms headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 4,028 professional contacts across them, including 1,932 with verified work emails and 375 with mobile numbers. Sao Paulo is the largest hub.

This list covers customer retention consulting firms 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.

158Companies

4,028Contacts tracked

1,932Verified emails

375Mobile numbers

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The 25 largest customer retention consulting firms based in Brazil

Ranked by team size

Top 25 of 158 customer retention consulting firms based in 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	Dunnhumby	Sao Paulo	1,001-5,000	2,861	1,664
2	Marketdata	Sao Paulo	201-500	558	148
3	Blue6ix Tecnologia	Sao Paulo	51-200	39	12
4	ipremios.com	Rio De	11-50	33	17
5	Attendant Success	n/a	n/a	32	1
6	Alterego Business	Sao Paulo	11-50	28	13
7	Zenital	Porto Alegre	11-50	20	11
8	Marka Inteligência EM Vendas E Fidelização	Sao Paulo	11-50	17	2
9	Infocuscx	Sao Paulo	1-10	15	10
10	Boanerges & CIA Consultoria	Sao Paulo	11-50	15	3
11	Magna Consulting	Sao Paulo	11-50	8	2
12	V7 Soluções	Sete Lagoas	11-50	7	4
13	Signature Brasil	Curitiba	11-50	7	4
14	ROX Consultoria	Curitiba	11-50	7	1
15	M2g Consultoria	Ribeirao Preto	1-10	7	1
16	Novaeon	Sao Paulo	1-10	5	2
17	Sell To Grow	Sao Paulo	11-50	4	3
18	Instituto DO Luxo	Sao Paulo	1-10	4	1
19	Iuvo CX	Sao Paulo	1-10	2	2
20	Citrine Consulting	Sao Paulo	11-50	2	1
21	Metacrm Consulting	Campinas	11-50	1	1
22	Summerland Strategy & Engagement	Florianopolis	1-10	1	1
23	sonata.cx	Belo Horizonte	1-10	1	1
24	Carambola Marketing DE Relacionamento	Rio De Janeiro	1-10	1	1
25	Vendax	Sao Paulo	1-10	1	1

Showing 25 of 158 customer retention consulting firms based in Brazil

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Customer retention consulting firms based in Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 70 HQs

375Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

125

11-50

51-200

201-500

1,001-5,000

Customer retention consulting firms by metro

Metro	Companies
Customer retention consulting firms in Sao Paulo	70
Customer retention consulting firms in Rio De Janeiro	9
Customer retention consulting firms in Curitiba	8
Customer retention consulting firms in Porto Alegre	6
Customer retention consulting firms in Florianopolis	6
Customer retention consulting firms in Belo Horizonte	5
Customer retention consulting firms in Fortaleza	3

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 “customer retention consulting firms”, 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; 1 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 customer retention consulting firms are there based in Brazil?

There are 158 customer retention consulting firms headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most customer retention consulting firms?

Sao Paulo leads with 70 headquartered companies, followed by Rio De Janeiro (9) and Curitiba (8).

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 1,932 verified decision-maker contacts tracked across these 158 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.