Top Call Center Services & Voice Services in Sao Paulo

Ratings Updated: October 26, 2026

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Featured

What are Featured Providers?
Hugo Inc.

5.0 28 reviews

Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

25% Customer Service Outsourcing

15% Back Office Outsourcing +4 services

10% Content Moderation Services

10% Data Annotation Services

10% Finance & Accounting Outsourcing (FAO)

10% Sales Outsourcing

Hugo Inc. | Top CX Provider is a distinguished company specializing in Contact Center Services, offering comprehensive Customer Support Services across various channels such as email, chat, and phone. The client reviews highlight their adaptability and efficiency, with 100% positive feedback on their seamless integration and ability to enhance customer engagement capabilities, resulting in impressive metrics like a 99.8% accuracy in order processing and fulfillment.

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Reviews mention Helpful
Clients have expressed a positive sentiment towards Hugo, highlighting their proactive and enthusiastic approach. One client noted that Hugo's integration into their team for lead qualification and customer support was seamless, significantly enhancing productivity and customer interactions. Their effective communication, including daily standups and ongoing chat support, was particularly appreciated. Overall, Hugo is seen as a valuable partner, contributing to operational success without any noted areas for improvement.

Customer Support for Marketing & Advertising Company

5.0 Aug 28, 2023

Hugo's operational support liberated us. By handling routine tasks like customer support and lead qualification, we redirected our resources to new business ventures and strategic priorities. This shift boosted productivity, innovation, and competitive edge, while Hugo ensured efficient day-to-day operations.
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Customer Support for Marketing & Advertising Company

5.0 Aug 28, 2023

Very enthusiastic people who are very proactive and keen to always help.
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3 of 3 Call Center Services reviews are 5 stars

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Automotive Company
5.0 — Hugo manages all incoming communications across multiple channels, including email, chat, and WhatsApp. The team works to expand call center operations for outbound calls and improve reach. Read more
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Industry Experience

Hugo Inc. has received positive feedback across various industries, including Financial Services, eCommerce, Automotive, Information Technology, Gaming, Media, and Advertising & Marketing. Clients commend their expertise in enhancing customer support, streamlining operations, and driving revenue growth. In Financial Services, they excel at global customer experience management; in eCommerce, they improve back-office efficiency. Their adaptable project management and commitment to quality have resulted in measurable outcomes such as increased transaction volume and improved customer satisfaction, making them a reliable partner for businesses seeking growth and operational excellence.
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Media Information technology Financial services eCommerce Food & Beverages Automotive Environmental Services Advertising & marketing Gaming Software

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View projects from:

United States (9) Kenya (3) France (1) Netherlands (1) United Arab Emirates (1) England (1)

This provider is fluent in 54 languages:

Mandarin

English

Spanish

Arabic

Bengali

Hindi

Russian

Portuguese

Japanese

German

Javanese

Korean

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This provider is available in 38 time zones:

Colombia Time (COT)

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Gulf Standard Time (GST)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

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Helpware CX

4.8 47 reviews

Premier Verified

$5,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

50% Customer Service Outsourcing

10% Back Office Outsourcing +2 services

10% Content Moderation Services

10% Data Annotation Services

Helpware CX is a company specializing in Contact Center Services, providing comprehensive customer support solutions across various industries, including e-commerce, software, and government programs. Reviews highlight an impressive 100% satisfaction with their adaptability and ability to scale services efficiently. Notably, 83% of reviewers commend Helpware's exceptional customer service and responsive project management.

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Reviews mention Passionate about their work
Clients consistently highlight Helpware's passion for their work, noting their infectious enthusiasm and dedication to delivering high-quality service. One client emphasized how Helpware's team takes great pride in their tasks, contributing to a positive customer service culture. Another review underscored the company's commitment to providing reliable support, with the client expressing satisfaction with the quality and availability of services. Overall, the sentiment reflects a strong appreciation for Helpware's passionate approach to customer service.

Customer Support for Lifestyle Product Supplier

5.0 Apr 4, 2019

Helpware provides professional support efforts and helped us build a culture in our customer service department. Their passion, integrity, and eagerness are infectious, and they’ve helped us build out a team with processes and roles. Every team member is generous with their time, attentive to our requests, and quick to respond to anything. They take great pride in their work.
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Customer Support for Analytics Company

5.0 Sep 27, 2018

Both the quality of their work and their passion for delivering a great service have exceeded our expectations.
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0 of 1 reviews is 5 stars

Unknown avg. project cost

Reviewed 1 time in the past 6 months
Helpware CX has received positive feedback in the last six months, particularly for their effective customer research services that successfully attracted six new customers for a telecommunications client. The client praised Helpware CX for their impressive speed in project management and seamless communication. They chose Helpware CX for their competitive value, expressing satisfaction with the overall engagement and suggesting no areas for improvement, highlighting a strong sense of reliability and efficiency.
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17 of 21 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Digital Government Partner
5.0 — Helpware provides call center services for a digital government partner. They offer resources to assist the public on phones and email by responding to inbound calls and reviewing applications. Read more
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More responsive than most other service providers

Helpware CX is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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SupportYourApp

4.8 88 reviews

Premier Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

30% Call Center Services

30% Customer Service Outsourcing

20% AI Agents +2 services

15% Back Office Outsourcing

5% Data Annotation Services

SupportYourApp is a prominent provider of Customer Support Services, specializing in Inbound and Outbound Call Center activities, Telephonic Support, and Call Handling. The company consistently receives high praise, with approximately 90% of reviews noting their flexibility, scalability, and proactive project management. Clients commend their ability to enhance customer satisfaction and deliver timely solutions across various languages and communication channels.

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Reviews mention Communicative
SupportYourApp has received consistently positive feedback regarding its communicative approach. Clients highlight the team's strong communication skills, noting that they maintain regular check-ins and are proactive in addressing needs. One client emphasized the smooth and consistent communication with the Service Delivery Manager, while another praised their ability to adapt and respond to evolving requirements. Overall, the sentiment regarding communication is overwhelmingly positive, indicating that SupportYourApp effectively fosters collaboration and transparency.

Customer Support for Smart Home Climate Control Brand

5.0 Aug 27, 2024

SupportYourApp excelled in project management. They consistently delivered on time and kept us informed with regular updates and progress reports. Their team was highly responsive, often addressing our needs within hours.
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Customer Support Services for HealthTech Company

5.0 May 13, 2024

The SupportYourApp team is very professional. They are always delivering the promised results on time. Our communication is on-point. We enjoy collaborating with them very much.
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Customer Support for Smart Communication System Provider

5.0 Mar 25, 2024

Both the team’s management and the consultants themselves are always very professional. Our communication is always on-point. Upon request, SupportYourApp provides us with the information and answers we need.
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Customer Support Services for R&D Service Provider

5.0 Feb 3, 2024

During our collaboration, our responsible manager was always there for us to report on the progress and answer all the questions we had.
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Customer Support Services for B2B Software Development Firm

5.0 Jan 10, 2023

They are always ready and willing to talk to us and to communicate with us and reach out proactively to check in regularly. Right now, we are looking into expanding our support team with them, so we are very happy with their services.
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3 of 5 reviews are 5 stars

1 new review for Call Center Services services

Unknown avg. project cost

Reviewed 5 times in the past 6 months
SupportYourApp has received positive feedback over the last six months, highlighting its effectiveness in scaling support capacity and enhancing operational efficiency. Clients appreciate the company's responsiveness, flexibility, and ability to deliver quality results consistently, particularly in managing customer support and recruitment processes. Specific instances include increased ticket resolution rates and successful candidate placements. Overall, clients express high satisfaction with SupportYourApp's performance, noting no significant areas for improvement.
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Average Project Cost Breakdown

$10,000 to $49,000 (19) $50,000 to $199,999 (11) Less than $10,000 (7) $1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
SupportYourApp has generally received positive feedback regarding its cost-effectiveness and value for money. Clients noted that the pricing fits their budgets while providing high-quality support services. For instance, one client mentioned that SupportYourApp offered 'good value for cost,' contributing to improved customer satisfaction and reduced internal workload. However, a few reviews expressed concerns about inconsistencies in service quality, indicating that the value may vary depending on specific circumstances and team composition.
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More responsive than most other service providers

SupportYourApp is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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TDCX

4.8 12 reviews

Verified

$100,000+

Undisclosed

10,000+

São Paulo, Brazil

Services provided

10% Call Center Services

50% Customer Service Outsourcing

20% Sales Outsourcing +2 services

10% Business Consulting

10% Content Moderation Services

TDCX is a distinguished provider of Contact Center Services, excelling in Customer Support Services and managing both Inbound and Outbound Call Centers. With a 95% satisfaction rate, clients commend TDCX for their scalable solutions, proactive approach, and exceptional customer care capabilities. Over 80% of reviewers highlight their effective project management and seamless integration into existing operations.

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Reviews mention Creative
Clients have consistently praised TDCX for their creative problem-solving capabilities and innovative approaches. One review highlighted their 'agility, communication style, and creative problem solving' as key deciding factors for selection. Additionally, their ability to deliver above expectations and provide valuable continuous improvement suggestions further emphasizes their creative strengths. Overall, the sentiment regarding TDCX's creativity is highly positive, reflecting their effectiveness in enhancing client projects.

BPO Services for Tech Company

5.0 May 25, 2022

Creative, autonomous, efficient, reliable, excellent communication skills - and most importantly - always go the extra mile for their client. Every time we asked them to deliver on a task, they did that very well and then also went above and beyond.
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6 of 6 Call Center Services reviews are 5 stars

$1,000,000 – $9,999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Customer Deployment for Consumer Products Company
5.0 — TDCX supports customer experience deployment services for a consumer products company. They are also tasked with maintaining their own unique internal culture. Read more
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Industry Experience

TDCX demonstrates strong capabilities across various industries, including Hospitality & Leisure, Social Networking, Financial Services, Food & Beverages, Software, Consumer Products, Retail, and IT Services. Feedback emphasizes their agility, innovative problem-solving, and exceptional communication. Clients commend their ability to scale operations while maintaining high service quality, particularly in customer support and risk assessment. Overall sentiment is positive, with notable strengths in fostering partnerships, operational excellence, and a dedication to enhancing customer experience.
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Hospitality & leisure Social Networking Financial services Food & Beverages Software Consumer Products Retail IT Services

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Average Project Cost Breakdown

$1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1) $10,000,000 + (1)

What Clients Have Said
Clients have expressed a generally positive sentiment regarding TDCX's cost and value for money. Feedback highlights their ability to deliver high-quality services while maintaining competitive pricing, as noted by a vendor manager who emphasized TDCX's best value in terms of cost and quality. However, some clients suggested that pricing could be more competitive. Overall, TDCX is regarded as a reliable partner that provides significant value, often exceeding expectations in service delivery.
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Customer Umbrella

5.0 20 reviews

$1,000+

< $25 / hr

250 - 999

São Paulo, Brazil

Services provided

10% Call Center Services

10% Back Office Outsourcing

10% Content Moderation Services +7 services

10% Customer Service Outsourcing

10% Data Annotation Services

10% Employer of Record (EOR) Services

10% PEO/Employee Leasing

10% Recruiting

10% Sales Outsourcing

10% Staffing

Customer Umbrella is a proficient provider of Contact Center Services, excelling in Customer Support Services, Inbound and Outbound Call Center, and Telephonic Support. Reviewers consistently praise their professionalism and seamless integration into client operations, with 100% positive feedback highlighting their outstanding customer service and effective communication. Their expertise in call handling and proactive problem-solving significantly enhances client satisfaction and operational efficiency.

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Reviews mention Flexible
Customer Umbrella has received positive feedback regarding their flexibility in adapting to client needs and workflows. One client emphasized their seamless integration, stating, "Customer Umbrella takes a lot of time to listen to our custom requests and workflows and adapts to them effortlessly." Another highlighted their ability to adjust working hours and scale resources based on project demands, noting this as a major advantage. Overall, the sentiment reflects a strong appreciation for their responsiveness and adaptability.

Dev Staff Augmentation for Salesforce Consultancy

5.0 Jun 24, 2025

Their project management was seamless and highly responsive. They were flexible with working hours and timezone alignment, and their ability to scale resources up or down based on our project demands was a major advantage. Tasks were consistently delivered on or before deadlines, and any roadblocks were communicated proactively.
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Customer Support for Game Development Company

5.0 Jan 20, 2023

Customer Umbrella takes a lot of time to listen to our custom requests and workflows and adapts to them effortlessly. We really appreciate how flexible everything is, depending on our needs.
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Industry Experience

Customer Umbrella has demonstrated versatility across various industries, including Gambling, Gaming, Manufacturing, Utilities, Retail, and Healthcare. Feedback highlights their strengths in improving customer support efficiency, enhancing operational workflows, and delivering tailored solutions. The overall sentiment is highly positive, with clients praising their adaptability, professionalism, and integration into existing teams. Potential clients in these sectors can expect exceptional service and impactful collaboration when engaging with Customer Umbrella.
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Gaming Design Healthcare Software Gambling Manufacturing Utilities Retail

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Average Project Cost Breakdown

$10,000 to $49,000 (9) Less than $10,000 (2)

What Clients Have Said
Client feedback on Customer Umbrella highlights a consistent sentiment of good value for money and budget-friendly pricing. Clients appreciated the alignment of pricing with their budgets and noted that the services provided exceeded their expectations. One client mentioned, "Pricing fit our budget" and another praised the "good value for cost," reinforcing the company's reputation for delivering quality service at competitive rates. Overall, the feedback indicates a strong satisfaction with the cost-effectiveness of their offerings.
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São Paulo, Brazil

Av. Paulista Bela Vista
São Paulo, Brazil 01310
50 - 75

+359885379385

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Featured

What are Featured Providers?

SixEleven Global Services and Solutions, Inc.

4.7 13 reviews

Premier Verified Clutch Guarantee

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

30% Call Center Services

30% Back Office Outsourcing

20% Customer Service Outsourcing +2 services

10% Content Moderation Services

10% Data Annotation Services

SixEleven Global Services and Solutions, Inc. specializes in Contact Center Services, providing both Inbound and Outbound Call Center support. Reviewers frequently praise their flexibility and responsiveness, with 100% of feedback highlighting timely delivery of services and effective communication. Clients also emphasize the company's ability to meet operational requirements and their strong customer support capabilities, with no negative feedback reported.

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1 of 3 Call Center Services reviews are 5 stars

2 new reviews for Call Center Services in past 6 months

Unknown avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for E-Commerce Company
5.0 — Six eleven global services provides call center services to help an e-commerce company communicate with their customers. The vendor's team asks the end customers about their product experience. Read more
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Industry Experience

six eleven global services has demonstrated expertise across various industries, including financial services, medical, advertising & marketing, telecommunications, and business services. Clients consistently praise their timely project management, high-quality staffing solutions, and effective communication. The company's strengths lie in their adaptability to specific client needs and commitment to delivering cost-effective services. Overall sentiment indicates that six eleven global services is well-suited for organizations seeking reliable outsourcing and operational support.
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Advertising & marketing Medical Financial services Business services Logistics & Supply Chain Telecommunications Wellness & Fitness Consulting Beauty & Cosmetics

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More responsive than most other service providers

SixEleven Global Services and Solutions, Inc. is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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United States (7) Canada (1) Malaysia (1) Philippines (1) Singapore (1)

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Simply Contact

4.8 27 reviews

Premier Verified

$1,000+

< $25 / hr

250 - 999

Serves Sao Paulo, Brazil

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a specialized provider of Contact Center Services, focusing on Customer Support Services, Inbound Call Center, and Telephonic Support. The company consistently receives high praise for its expertise in handling multi-channel and multi-lingual customer interactions, with 100% of reviewers noting their professionalism and adaptability. Their ability to improve customer satisfaction and reduce response times significantly is frequently highlighted, making them a valuable partner for diverse business needs.

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Reviews mention Unique expertise
Simply Contact has received high praise for its unique expertise in providing tailored customer support solutions across various industries. Clients noted their exceptional ability to understand specific challenges and deliver customized strategies, leading to significant improvements in service metrics. For instance, one client highlighted a 25% boost in customer satisfaction and a 40% increase in monthly interaction volumes. Overall, the sentiment reflects a strong appreciation for Simply Contact's specialized knowledge and effective project management.

Inbound Customer Support Services for EdTech Company

5.0 Apr 5, 2024

The expertise in providing specialized support for different industries, including educational platforms and proactive customer interaction management across different channels was exceptional and truly set them apart.
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Customer Support Services for Email Deliverability Platform

5.0 Nov 28, 2023

What impressed us most about Simply Contact was their customized approach. They didn't just give us a standard solution; they really understood our specific challenges and goals. Their expertise in customer service and back-office management is clear throughout our work together.
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1 of 1 reviews is 5 stars

Less than $10,000 avg. project cost

Reviewed 1 time in the past 6 months
Simply Contact has received positive feedback in recent reviews, highlighting their effective customer support management. Clients appreciated the timely delivery of tasks, clear communication, and the reduction in their internal team's workload. Notably, one client mentioned the seamless organization and adaptability of the support team. While there was a suggestion for improved understanding of complex licensing issues, the overall sentiment remains highly favorable, indicating that Simply Contact is a reliable partner for customer support needs.
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12 of 15 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Staffing for Government Helpline
5.0 — Simply Contact provides staff to a government hotline's team; they hire and train call center agents to cover workflows around the clock. They've organized the hotline's IT structure, monitoring, Read more
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Industry Experience

Simply Contact has demonstrated expertise across various industries, including Information Technology, Financial Services, Education, Advertising & Marketing, and eCommerce. Clients highlight their strengths in customer support, multilingual capabilities, and adaptability to specific business needs. Feedback reflects positive outcomes such as increased customer satisfaction, reduced response times, and improved operational efficiency. Overall, Simply Contact is well-suited for organizations seeking reliable customer service solutions, particularly in tech-driven and service-oriented sectors.
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eCommerce Software Business services Information technology Financial services Education Arts, entertainment & music Retail Hospitality & leisure Human Resources IT Services Telecommunications Advertising & marketing

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Virtual Sales Limited

4.8 22 reviews

Premier Verified

$1,000+

$50 - $99 / hr

10 - 49

Serves Sao Paulo, Brazil

Services provided

40% Call Center Services

60% Sales Outsourcing

Virtual Sales Limited is a distinguished provider of outbound call center and telemarketing services, specializing in lead generation and appointment setting. With over 90% of reviewers praising their timely delivery and industry expertise, they are noted for strong customer care services and impressive communication. Clients consistently appreciate their proactive project management and the significant impact on sales pipelines, with no significant areas for improvement highlighted.

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2 of 4 reviews are 5 stars

1 new review for Call Center Services services

$10,000 – $49,000 avg. project cost

Reviewed 4 times in the past 6 months
Virtual Sales Limited has received positive feedback from clients over the past six months, highlighting their effective lead generation and appointment-setting services. Clients appreciate the professionalism and responsiveness of the team, noting improvements in lead quality and the establishment of a structured sales pipeline. The company's ability to adapt to client needs and provide valuable insights has been particularly praised, with one client emphasizing the seamless integration of Virtual Sales Limited into their team. Overall, the sentiment reflects satisfaction with the results and service quality.
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3 of 6 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Lead Generation Services for SaaS Company
4.5 — A SaaS company has hired Virtual Sales Limited for lead generation services. They source relevant data and execute an outbound call campaign to help the client generate in-target meetings with Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (9) Less than $10,000 (3) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Virtual Sales Limited's strong value for money and competitive pricing. Feedback indicates that their services fit well within budgets while delivering substantial results, such as generating qualified leads and booking meetings. One client noted, "good value for cost," while another emphasized their impressive output relative to spend. Overall, the sentiment is positive, with many clients expressing satisfaction with the return on investment and the quality of service provided.
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England (10) United States (4) Bulgaria (1) Croatia (1) France (1)

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Labora

5.0 1 review

$1,000+

Undisclosed

10 - 49

São Paulo, Brazil

Services provided

50% Customer Service Outsourcing

50% Sales Outsourcing

Labora is a business process outsourcing company specializing in connecting influencers with travelers. The reviews highlight their effective project management, with timely deliverables and excellent response times. While clients appreciate their dedication, some suggest incorporating AI more effectively. Overall feedback is predominantly positive, underscoring their strong cultural fit and commitment to client projects.

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Industry Experience

Labora has demonstrated expertise primarily in the Information Technology sector, particularly in Business Process Outsourcing for travel-related platforms. Clients appreciate their prompt communication and commitment to project success, leading to increased influencer engagement. Overall sentiment in this sector is positive, highlighting Labora's strengths in collaboration and responsiveness. Potential clients in the travel and technology industries may find Labora an excellent fit for their projects.
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Information technology

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Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients have expressed satisfaction with Labora's cost-effectiveness and overall value for money. One client noted that Labora's response time was exceptional, contributing to a smooth project management experience, and highlighted the company's genuine care for their project. Additionally, the successful increase in the number of influencers acquired underscored the positive return on investment. Overall, the sentiment reflects a strong appreciation for Labora's pricing relative to the quality of service provided.
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Combine Global Recruitment

5.0 1 review

$1,000+

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

30% Recruiting

15% HR Outsourcing

15% Staffing +4 services

10% Customer Service Outsourcing

10% Executive Search

10% Recruitment Process Outsourcing

10% Sales Outsourcing

Combine Global Recruitment specializes in structuring management teams for fast-growing companies and creating efficient organizational structures. Their reviews highlight a seamless workflow with prompt, constructive communication, and comprehensive candidate data, facilitating informed decision-making. The feedback is overwhelmingly positive, with clients praising their strategic approach and effectiveness in meeting ambitious growth objectives. The company's ability to quickly grasp core business needs is particularly impressive.

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Industry Experience

Combine Global Recruitment has demonstrated expertise in the Logistics & Supply Chain sector, particularly with fast-growing companies like Nowports. Feedback highlights their strategic approach to building effective teams and company culture, resulting in solid organizational structures and quality candidate pipelines. Clients commend their ability to provide comprehensive data for decision-making and effective communication throughout the engagement. Overall, sentiment in this industry is highly positive, indicating a strong fit for organizations seeking robust recruitment solutions.
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Logistics & Supply Chain

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More responsive than most other service providers

Combine Global Recruitment is very responsive
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

São Paulo-based clients praise Combine Global Recruitment for taking a strategic, holistic approach to recruitment during rapid growth. Reviewers highlight its organizational design, quality candidate pipeline, and detailed candidate data, which supported informed hiring decisions and helped structure a team for ambitious goals.
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Apex America

Not yet reviewed

$10,000+

Undisclosed

10,000+

Sao Paulo, Brazil

Services provided

40% Call Center Services

20% Back Office Outsourcing

20% Customer Service Outsourcing +3 services

10% Content Moderation Services

5% Business Consulting

5% Robotics Process Automation

Apex America is a telephone answering service. Established in 2003, the firm is in Córdoba, Argentina and ARW, Argentina. Their services include Call Center Services and Back Office Outsourcing.
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Sao Paulo, Brazil

100 Avenida Alfredo Egídio de Souza Aranha
Sao Paulo, Brazil 04726-170
751 - 1000

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Altio BPO and Technology

Not yet reviewed

$5,000+

< $25 / hr

250 - 999

sao paulo, Brazil

Services provided

40% Call Center Services

50% Custom Software Development

10% Web Design

Founded in 2011, Altio BPO and Technology is a software development firm and call center service. The firm focuses on Custom Software Development and Call Center Services, and is midsize.
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Amaro Group

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

Amaro Group is a call center service. They are based in Sao Paulo, Brazil and have midsize team. They provide Call Center Services.
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Featured

What are Featured Providers?

Valoris Center

4.9 15 reviews

Premier Verified

$1,000+

< $25 / hr

250 - 999

Serves Sao Paulo, Brazil

Services provided

50% Call Center Services

20% Customer Service Outsourcing

15% Back Office Outsourcing +1 service

15% CRM Consulting and SI

Valoris Center is a company specializing in Contact Center Services, offering a comprehensive suite of solutions, including Inbound and Outbound Call Center, Customer Support Services, and Telemarketing Services. Reviews indicate a strong emphasis on punctuality, flexibility, and customer care, with over 85% client satisfaction ratings and notable mentions for their proactive and adaptable approach.

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7 of 9 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$10,000 – $49,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center & Sales Services for FinTech Platform Co
5.0 — Valoris Center was hired by a fintech platform company to manage their outbound service and sales campaign. The team handled the client's welcome calls and encouraged customers to order a physical Read more
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Industry Experience

Valoris Center demonstrates versatile expertise across several industries, notably Financial Services, Retail, eCommerce, and Automotive. Clients consistently commend their responsiveness, customer-centric approach, and timely project delivery. In Financial Services, Valoris excels in customer support and satisfaction, achieving high metrics like CSAT and SLA. Retail partners praise their proactive communication and flexibility, while in eCommerce, they efficiently engage customers through appointment-setting services. Overall, Valoris is well-suited for industries seeking robust customer service solutions.
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Other Industry Financial services eCommerce Business services Arts, entertainment & music Consumer Products Automotive Retail Other industries

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Average Project Cost Breakdown

$10,000 to $49,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Valoris Center's competitive pricing and excellent value for money. One client noted a 'good value for cost' and praised their culture fit. Another mentioned that Valoris' pricing 'fit our budget' while delivering high-quality service. Overall, sentiment is positive, with multiple clients emphasizing the company's ability to provide cost-effective solutions without compromising service quality, making them an appealing option for various projects.
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More responsive than most other service providers

Valoris Center is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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Assistring LLC

5.0 16 reviews

Verified Clutch Guarantee

$1,000+

< $25 / hr

50 - 249

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

30% Back Office Outsourcing

30% Customer Service Outsourcing +2 services

10% AI Agents

10% HR Outsourcing

Assistring LLC is a proficient provider of Call Center Services, specializing in both Inbound and Outbound Call Center operations, and Customer Support Services. Across reviews, 100% of clients commend their operational efficiency, professionalism, and alignment with company values. Notably, 80% of reviewers highlight their ability to enhance customer satisfaction and integrate seamlessly with existing business processes.

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Reviews mention Easy to reach
Clients consistently express satisfaction with Assistring LLC's accessibility, highlighting their 24/7 support as a key advantage. One client noted the effectiveness of the live call support, stating it was the best decision for their company, allowing them to manage customer inquiries across various time zones. Overall, the sentiment regarding communication and responsiveness is highly positive, with clients appreciating the quick response times and the company's commitment to customer service.

Customer Service Outsourcing & Email Mktg for Wholesale Co

4.5 Oct 4, 2024

Every customer is happy and every call gets picked in less than a minute. The services they are providing are 24/7. I have access to their portal so I can see how many calls came in and how many were answered.
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10 of 11 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$10,000 – $49,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Utility Company
5.0 — Assistring LLC provided a utility company's customer service and call center operations support. The team managed incoming customer inquiries, offered technical support, and handled complaints. Read more
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Industry Experience

Assistring LLC has demonstrated strong expertise in various industries including Retail, Real Estate, Utilities, Insurance, Hospitality, and Consumer Products. Clients have consistently praised their effective multichannel customer service capabilities, improved operational efficiency, and impact on customer satisfaction ratings across these sectors. Particularly in Retail, they have enhanced sales performance and customer experience, while in Utilities and Insurance, they have effectively managed customer inquiries and support. Overall sentiment indicates high satisfaction and a reliable partnership across all industries.
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Retail Real estate Utilities Insurance Consumer products & services Hospitality & leisure

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Average Project Cost Breakdown

$10,000 to $49,000 (12)

What Clients Have Said
Clients consistently highlighted Assistring LLC's competitive pricing and excellent value for money, emphasizing that their services fit within budget while delivering superior results. One client noted, 'Good value for cost,' while another stated, 'Their professional agents are just great. I am happy with them.' Overall, the sentiment reflects strong satisfaction with the cost-effectiveness of their services, leading to improved customer satisfaction and operational efficiency across various projects.
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TECHSPEED INC

4.9 18 reviews

Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Sao Paulo, Brazil

Services provided

25% Call Center Services

30% Back Office Outsourcing

25% Content Moderation Services +1 service

20% Customer Service Outsourcing

TECHSPEED INC is a Call Center Services provider specializing in customer support services and data entry. Reviews highlight their exceptional project management, proactive communication, and capacity for scaling operations. They achieve high issue resolution rates and maintain timely deliverables, with 100% customer satisfaction reported. Approximately 90% of reviewers commend their adaptability and commitment to quality and efficiency.

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Reviews mention Accommodating
Clients have consistently praised TECHSPEED INC for their accommodating nature, particularly in adapting to changes in project timelines. One client highlighted their professional yet personable communication style, noting that the team effectively manages deliverables while remaining flexible. The ability to support various data-related needs with a documented process further emphasizes their responsiveness. Overall, the sentiment reflects a strong appreciation for TECHSPEED INC's dedication to client satisfaction and adaptability.

Data Cleaning & Content Mgmt for Advertising & Marketing Co

5.0 Feb 9, 2026

TECHSPEED INC’s team is very professional and clearly experienced, yet communication has been easy and personable. They’ve been very accommodating toward changes in our project timeline, and they always deliver their work on time.
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2 of 2 Call Center Services reviews are 5 stars

$10,000 – $49,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Customer Service Outsourcing for Home Care Agency
5.0 — TECHSPEED INC provides data entry and call center services for a home care agency. The team handles data entry tasks, including renaming, splicing, and entering data. Read more
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Average Project Cost Breakdown

Less than $10,000 (6) $10,000 to $49,000 (5)

What Clients Have Said
Clients consistently note that TECHSPEED INC offers excellent value for money, with many explicitly stating that their pricing fits within budget and provides good cost-effectiveness. One client emphasized their 'good value for cost' and another highlighted their competitive pricing while delivering high-quality work. Overall, sentiment is positive, with clients expressing satisfaction regarding the balance of cost and the quality of service, often remarking on the company's responsiveness and reliability.
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United States (16) Canada (1)

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InHouse Contact Center and Information Technology

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Santo Amaro, Brazil

Services provided

100% Call Center Services

Headquartered in Santo Amaro, Brazil, InHouse Contact Center and Information Technology is a call center company. They provide Call Center Services and were founded in 1988.
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AHEAD Infraestrutura para Contact Centers

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

São Paulo, Brazil

Services provided

100% Call Center Services

Established in 2007, AHEAD Infraestrutura para Contact Centers is a midsize answering service company. Their services include Call Center Services.
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Daleth AC Ambiente Colaborativo

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

Founded in 2008, Daleth AC Ambiente Colaborativo, a midsize answering service, is located in Sao Paulo, Brazil. Their team provides Call Center Services.
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JobHome

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

100% Call Center Services

JobHome is a telephone answering service. The Sao Paulo, Brazil-based agency was founded in 2017. Their services include Call Center Services.
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BlueLab

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

100% Call Center Services

BlueLab is a call center. Located in Sao Paulo, Brazil, the team offers Call Center Services.
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ALKES

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

ALKES is an answering service. Headquartered in Sao Paulo, Brazil, the company focuses on Call Center Services.
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ARC TELECOM

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

100% Call Center Services

Located in Sao Paulo, Brazil, ARC TELECOM is a small call center service. Their services include Call Center Services.
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i9 Contact Center

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

Founded in 2009, i9 Contact Center is a midsize answering service company based in Sao Paulo, Brazil. Their team focuses on Call Center Services.
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Top Use - Headsets

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Cotia , Brazil

Services provided

100% Call Center Services

Top Use - Headsets is an answering service headquartered in Cotia , Brazil. Founded in 1996, the team focuses on Call Center Services.
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Diallink

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

SAO PAULO, Brazil

Services provided

100% Call Center Services

Diallink is a call center company. In SAO PAULO, Brazil, the agency was founded in 2006. Their services include Call Center Services.
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Neobpo

Not yet reviewed

Undisclosed

Undisclosed

10,000+

São Paulo, Brazil

Services provided

40% Call Center Services

30% Back Office Outsourcing

10% Business Consulting +2 services

10% Digital Strategy

10% IT Managed Services

Neobpo is a call center service. Launched in 2017, the team specializes in Call Center Services and Back Office Outsourcing. The company is based in São Paulo, Brazil.
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Vermont XCenter

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Sao Paulo, Brazil

Services provided

40% Call Center Services

40% Sales Outsourcing

10% Business Consulting +1 service

10% IT Strategy Consulting

Vermont XCenter, a midsize answering service company, is based in Sao Paulo, Brazil. Their services include Call Center Services and Sales Outsourcing.
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AG Call Center

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

40% Call Center Services

30% Customer Service Outsourcing

30% Sales Outsourcing

AG Call Center is a small phone answering service launched in 2002. Their team specializes in Call Center Services and Customer Service Outsourcing.
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BYG Advantage

Not yet reviewed

$100,000+

$100 - $149 / hr

10 - 49

Sao Paulo, Brazil

Services provided

70% Sales Outsourcing

30% Marketing Strategy

BYG Advantage is a Sales Outsourcing company located in New York, New York and Singapore, Singapore. The team offers Sales Outsourcing and Marketing Strategy.
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Sao Paulo, Brazil

Av. Eng. L. C. Berrini 105 - Suite 1014 CEP
Sao Paulo, Brazil 04571-010
1

+1 (845) 770-7526

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Leadmedia

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

20% CRM Consulting and SI

20% Ecommerce Marketing

20% Email Marketing +2 services

20% Pay Per Click

20% Sales Outsourcing

Small Email Marketing company Leadmedia, is headquartered in Sao Paulo, Brazil. Their services include Email Marketing and Pay Per Click.
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Novatrade Brasil

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

10% Call Center Services

50% Logistics & Supply Chain Consulting

40% Business Consulting

Launched in 2012, Novatrade Brasil is a Logistics & Supply Chain Consulting company. The agency focuses on Logistics & Supply Chain Consulting and Business Consulting.
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Paulo Leads

4.0 1 review

$5,000+

$100 - $149 / hr

2 - 9

Valinhos, Brazil

Services provided

30% BI & Big Data Consulting & SI

30% Sales Outsourcing

10% AI Agents +3 services

10% AI Consulting

10% AI Development

10% Generative AI

Paulo Leads is a technology and commercial intelligence firm that architects AI-driven customer acquisition infrastructures. Specializing in high-ticket markets with long sales cycles—such as real
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Talkover

Not yet reviewed

$10,000+

Undisclosed

2 - 9

São José dos Campos, Brazil

Services provided

35% Call Center Services

35% AI Agents

30% Transcription

Founded in 2025, Talkover is an AI Agents company. The team focuses on AI Agents and Call Center Services.
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Quality Contact Center

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Taboão da Serr, Brazil

Services provided

100% Call Center Services

Quality Contact Center, a small answering service, is based in Taboão da Serr, Brazil. Their services include Call Center Services.
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Kindico Digital Marketing Agency Ltd

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

50% Affiliate Marketing

50% Sales Outsourcing

Kindico Digital Marketing Agency Ltd is an Affiliate Marketing and Sales Outsourcing company founded in 2016. The team specializes in Affiliate Marketing and Sales Outsourcing.
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Maromatel - Vivo Empresas

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

40% Call Center Services

50% Business Consulting

10% Customer Service Outsourcing

Business Consulting company Maromatel - Vivo Empresas is located in Sao Paulo, Brazil. They offer Business Consulting and Call Center Services and were established in 2002.
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Ayty Tech

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

São Paulo, Brazil

Services provided

24% Call Center Services

20% CRM Consulting and SI

20% IT Strategy Consulting +3 services

16% Customer Service Outsourcing

10% E-Commerce Development

10% IT Managed Services

Founded in 2008, Ayty Tech is a midsize answering service company. Their services include Call Center Services and CRM consulting and SI.
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São Paulo, Brazil

Av. Brigadeiro Faria Lima, 1685, Conj.3C
São Paulo, Brazil 01452-001

+ 55.11.3522.9211

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Bizpro Processos de Negócios

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sao Paulo, Brazil

Services provided

20% Call Center Services

50% Customer Service Outsourcing

30% Back Office Outsourcing

Bizpro Processos de Negócios is a Customer Service Outsourcing company. The firm is in Sao Paulo, Brazil. Their team provides Customer Service Outsourcing and Back Office Outsourcing.
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Top Call Center Services & Voice Services in Sao Paulo

List of the Top Sao Paulo Call Center Companies & Voice Services

Reviews mention Helpful

Customer Support for Marketing & Advertising Company

Customer Support for Marketing & Advertising Company

Call Center Services for Automotive Company

Industry Experience

Select Industry to see insights

Reviews mention Passionate about their work

Customer Support for Lifestyle Product Supplier

Customer Support for Analytics Company

Reviewed 1 time in the past 6 months

Call Center Services for Digital Government Partner

Helpware CX is very responsive

Reviews mention Communicative

Customer Support for Smart Home Climate Control Brand

Customer Support Services for HealthTech Company

Customer Support for Smart Communication System Provider

Customer Support Services for R&D Service Provider

Customer Support Services for B2B Software Development Firm

Reviewed 5 times in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

SupportYourApp is very responsive

Reviews mention Creative

BPO Services for Tech Company

Customer Deployment for Consumer Products Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Flexible

Dev Staff Augmentation for Salesforce Consultancy

Customer Support for Game Development Company

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Call Center Services for E-Commerce Company

Industry Experience

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SixEleven Global Services and Solutions, Inc. is very responsive

Reviews mention Unique expertise

Inbound Customer Support Services for EdTech Company

Customer Support Services for Email Deliverability Platform

Reviewed 1 time in the past 6 months

Call Center Staffing for Government Helpline

Industry Experience

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Reviewed 4 times in the past 6 months

Lead Generation Services for SaaS Company

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

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Combine Global Recruitment is very responsive

Call Center & Sales Services for FinTech Platform Co

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Valoris Center is very responsive

Reviews mention Easy to reach

Customer Service Outsourcing & Email Mktg for Wholesale Co

Call Center Services for Utility Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Accommodating

Data Cleaning & Content Mgmt for Advertising & Marketing Co

Customer Service Outsourcing for Home Care Agency

Average Project Cost Breakdown

What Clients Have Said

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