Company lists · Data refreshed September 2026
Top 25 Quality assurance consulting companies for contact centers based in Brazil
RevenueBase identified 163 quality assurance consulting companies for contact centers headquartered in Brazil as of September 2026 and tracks 8,067 professional contacts across them, including 556 with verified work emails. Sao Paulo is the largest hub.
This list covers quality assurance consulting companies for contact centers headquartered in 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 29, 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.
The 25 largest quality assurance consulting companies for contact centers based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,552 contacts → | ||||
Partial evidence “Com 19 anos de experiência em CX e BPO, somos consultivos e entregamos soluções personalizadas que conectam pessoas e tecnologia para impulsionar seus resultados.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 337 contacts → | ||||
Strong evidence “Somos uma empresa de contact center que tem como foco a satisfação dos clientes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 300 contacts → | ||||
Indirect evidence “Um verdadeiro Centro de Experiências para nossos clientes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 161 contacts → | ||||
Indirect evidence “Líder no mercado, com mais de 10 anos provendo soluções definitivas em centros de reservação para diversos setores da indústria nacional, a TanksBR, entrega um pacote completo de…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 155 contacts → | ||||
Indirect evidence “Transformamos tecnologia em estratégia de relacionamento A Smart NX é uma empresa especializada em consultoria em experiência do cliente e soluções omnichannel.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 93 contacts → | ||||
Partial evidence “A Ivox é uma empresa de Call Center mas que vende mais do que isso, seu conceito é a entrega de SOLUÇÕES DE ATENDIMENTO, para o cliente que precisa de eficiência através de: •…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 86 contacts → | ||||
Strong evidence “A Quality Contact Center ® é formada por uma equipe de talentos altamente qualificados compondo uma cultura com a marca da inovação e da agilidade, apontando sempre “para o foco…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 68 contacts → | ||||
Indirect evidence “SoluCX is the partner of winning companies in the era of experiences.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 62 contacts → | ||||
Indirect evidence “For over a decade, our mission has been to transform experiences into results for businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 57 contacts → | ||||
Partial evidence “Consultoria especializada em gestão, qualidade e produtividade, com especialização em relacionamento com clientes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 53 contacts → | ||||
Partial evidence “A XGEN é uma plataforma de atendimento omnichannel com inteligência artificial que unifica todos os canais de contato com o cliente, voz, WhatsApp, chat, e-mail e redes sociais -…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 46 contacts → | ||||
Strong evidence “Um novo conceito em Contact Center!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 40 contacts → | ||||
Partial evidence “A Blue6ix é especialista em Consultoria de Qualidade, Processos e Customer Experience.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 40 contacts → | ||||
Partial evidence “O Qa.Coders foi fundado no dia 01 de Julho de 2021 com o propósito de capacitar e formar profissionais e oferecer ao mercado serviços especializados em Qualidade e Desenvolvimento…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 37 contacts → | ||||
Indirect evidence “Nosso propósito é melhorar a experiência que seus clientes tem com seu negócio, através da aplicação de ferramentas de diagnóstico, consultoria e treinamentos personalizados.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 29 contacts → | ||||
Indirect evidence “Organizações que produzem ou utilizam produtos de alta tecnologia têm como fator determinante de sucesso o pleno funcionamento destas tecnologias.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 18 contacts → | ||||
Partial evidence “Empresa especializada em Monitoria de Qualidade para Voz e Texto, Ciência de Dados, Consultoria, Marketing Executivo e Escritórios de Projetos.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 16 contacts → | ||||
Strong evidence “Nossa proposta de valor é entregar inteligência em contact center como serviço.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 15 contacts → | ||||
Indirect evidence “A inFocusCX é um consultoria especializada em experiência do cliente.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 15 contacts → | ||||
Indirect evidence “Em um mundo cada vez mais dinâmico e competitivo, o atendimento ao cliente assume um papel fundamental na estratégia das grandes empresas para alcançar diferenciação e vantagem…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 14 contacts → | ||||
Strong evidence “Brazilian reference training center and consulting services for Software Test and Quality Assurance.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 12 contacts → | ||||
Partial evidence “T&B Pharma Consultoria - GMP, fundada em 2011, reúne profissionais técnicos para consultoria em Garantia da Qualidade: validações, qualificação de equipamentos, validação de…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 12 contacts → | ||||
Strong evidence “The MAFA-service is a service consulting firm supporting industries to promote the containment and resolution of quality problems with agility, providing solutions to reduce costs.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Indirect evidence “A Synapsis é composta por agentes de atendimento, cujo perfil profissional é desenhado de acordo com as particularidades de cada campanha.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Indirect evidence “Uma empresa jovem, com um grande ideal.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: quality assurance consulting companies for contact centers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names quality assurance consulting companies for contact centers.
- Partial evidence
- Its own public description names part of quality assurance consulting companies for contact centers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quality assurance consulting companies for contact centers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 163 quality assurance consulting companies for contact centers based in Brazil
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Quality assurance consulting companies for contact centers based in Brazil at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 163 companies.
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 quality assurance consulting companies for contact centers, 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 Brazil whose own description of what they do matches “quality assurance consulting companies for contact centers”. 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 quality assurance consulting companies for contact centers), 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 quality assurance consulting companies for contact centers, and records with no verified work email. Companies headquartered outside Brazil 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, 556 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 29, 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.
Quality assurance consulting companies for contact centers by metro
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 quality assurance consulting companies for contact centers, 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 quality assurance consulting companies for contact centers are there based in Brazil?
RevenueBase identified 163 quality assurance consulting companies for contact centers headquartered in 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?
TAHTO, headquartered in Curitiba, tops this list with the largest team on record.
Which city has the most quality assurance consulting companies for contact centers?
Sao Paulo leads with 60 headquartered companies, followed by Rio De Janeiro (9) and Belo Horizonte (7).
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 556 verified decision-maker contacts tracked across these 163 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 29, 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.
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