Top Call Center Services & Voice Services in Sao Paulo

Ratings Updated: July 16, 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 Exceptional performance
Clients consistently highlight Hugo Inc.'s exceptional performance, emphasizing their effective communication, adaptability, and timely execution. One client noted, 'Their effective communication and problem-solving abilities ensured that our shared objectives were consistently met,' while another praised their 'unwavering commitment to on-time deliveries.' Additionally, feedback reflects a strong alignment with client culture, enhancing collaboration. Overall, clients express high satisfaction, considering Hugo not just a service provider but a strategic partner integral to their success.

Digital Strategy for Environmental Solutions Platform

5.0 Aug 29, 2023

Our partnership with Hugo Outsourcing Company has sparked a remarkable transformation in our operations. We now update solution pages four times faster, ensuring clients access the latest information promptly. Additionally, our customer responses occur in under two hours, showcasing our commitment to swift and top-notch service. These achievements exemplify our dedication to innovation and exceptional customer experiences, setting new industry benchmarks.
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Customer Service Outsourcing for Gaming Company

5.0 Aug 22, 2023

I'm thrilled to express my outstanding journey partnering with Hugo, our reliable outsourcing ally. Hugo's unwavering commitment to on-time deliveries has been nothing short of impressive. Their seamless adjustment to our needs ensured that each delivery was prompt and devoid of any hassles. Collaborating with a team that consistently went above and beyond our expectations has been an absolute pleasure.
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Multilingual Customer Support for Beverage Company

5.0 Aug 22, 2023

I'm thrilled to share my experience working with Hugo that has truly transformed our customer support. Their expertise in accelerating response times and providing multilingual support has been nothing short of remarkable. They seamlessly implemented strategies that significantly reduced our response times, ensuring that our valued customers never had to wait long for assistance. This level of responsiveness not only improved customer satisfaction but also showcased their commitment to delivering exceptional service.
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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 several industries, including Financial Services, eCommerce, Automotive, Gaming, Information Technology, and Advertising. Clients commend their expertise in customer support, operational efficiency, and capacity augmentation. In Financial Services, they excelled in enhancing customer success and reducing churn. In eCommerce, their contributions led to significant revenue growth and streamlined operations. The sentiment leans favorable, showcasing Hugo's adaptability and effectiveness, making them suitable for projects in sectors requiring robust customer engagement and operational support.
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Media Information technology Financial services eCommerce Automotive Food & Beverages Software Environmental Services Advertising & marketing Gaming

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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 Proactive
The overall sentiment regarding Helpware's proactive approach is overwhelmingly positive. Clients frequently commend their proactive communication and management style. One client highlighted Helpware's 'transparent and proactive approach' and noted their ability to surface improvement opportunities without prompting. Another client praised their 'enthusiastic and proactive approach' to identifying risks and ensuring quality outcomes. Overall, Helpware's commitment to proactive engagement has significantly contributed to client satisfaction and project success.

Centralization Process & Outsourcing Svcs for Treatment Firm

5.0 Aug 18, 2021

Their transparent and proactive approach has been impressive. On top of that, they’re great to talk with.
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Call Center Services for Nonprofit Organization

5.0 Jun 2, 2021

I've been most impressed by their enthusiastic and proactive approach to calling out things going well, things going poorly, and risks. The communication has helped us move quickly and prevent issues before they happen.
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Call Center Services for Resume Builder Website

5.0 Apr 29, 2021

They were extremely proactive in surfacing opportunities for improvements either in our product or our business practices. We appreciate most just how flexible they were in working with a smaller, but rapidly growing, business.
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Image Annotation for Computer Vision Software

5.0 May 29, 2019

Their team is extremely responsive to our questions and feedback and provides updates proactively. Their customer service has made the process as easy and smooth as possible for us.
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Social Media Management for Author

5.0 Feb 26, 2019

Their project management is fantastic, and they proactively schedule meetings to keep everyone on the same page.
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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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Industry Experience

Helpware CX has garnered positive feedback across various industries, including Telecommunications, Information Technology, eCommerce, and Healthcare. Clients praised their project management, communication, and ability to adapt to specific needs, leading to increased efficiency and customer satisfaction. Particularly in IT and Healthcare, Helpware's expertise in training and support was highlighted as a strength. Overall sentiment reflects a strong alignment with clients' values and objectives, making Helpware a suitable choice for companies seeking customer support and operational enhancements.
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Consumer Products Healthcare Information technology Software eCommerce Education Food & Beverages Nonprofit Media Retail Other Industry Automotive Business services Financial services Advertising & marketing Telecommunications Arts, entertainment & music IT Services

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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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Select VoiceCom

4.8 9 reviews
Premier Verified

$5,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

30% Call Center Services

30% Customer Service Outsourcing

10% Back Office Outsourcing +3 services

10% Finance & Accounting Outsourcing (FAO)

10% IT Staff Augmentation

10% Sales Outsourcing

Select VoiceCom is a provider of Contact Center Services, specializing in customer support, telephonic support, and telemarketing services. Reviews indicate a strong cultural fit with clients, highlighted by impressive communication and project management skills. Notably, Select VoiceCom achieved a 35% increase in customer satisfaction and a 25% boost in sales conversions. Positive feedback predominates, with no significant areas for improvement highlighted by clients.

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2 of 4 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Third-Party Management Company
4.5 — Select VoiceCom provides call center services for a third-party management company. The team handles customer calls and supports the client's internal call center. Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (2) $50,000 to $199,999 (2) $1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
Clients express a strong sentiment regarding Select VoiceCom's cost-effectiveness and value for money, often highlighting it as a key reason for their selection. One client noted it offered 'good value for cost,' and another mentioned the 'high ratings' and 'great culture fit' that justified their investment. Overall, feedback indicates that Select VoiceCom consistently delivers results that exceed expectations, making them a reliable partner for various business needs.
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More responsive than most other service providers

Select VoiceCom 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) Australia (1)

This provider is fluent in 1 language:

English

This provider is available in 1 time zone:

Eastern Standard Time (EST)

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TDCX

4.8 12 reviews

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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 Collaborative
Client feedback highlights TDCX's strong collaborative approach, emphasizing their partnership mentality and responsiveness to challenges. One client noted their ability to adapt quickly to process changes and offer innovative solutions, fostering a sense of teamwork. Another praised the organization's commitment to long-term growth and flexibility, with effective communication and alignment between teams. Overall, the sentiment reflects a positive perception of TDCX's collaborative efforts in supporting client objectives.

Call Center Services for Global Social Media Company

5.0 May 17, 2022

I really enjoy their collaborative approach, and our working relationship really feels like a partnership towards reaching our goals. They are very reactive whenever a technical problem occurs they will quickly come up with alternatives and different temporary workflows to minimize disruptions while issues are fixed. Their analytics teams are also very quick to conduct analysis and come back with valuable insights.
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BPO Services for E-Commerce Company

5.0 Mar 31, 2022

We have weekly syncs and our action items are well-managed over a tracker. The Operations manager is also on top of things and very open to ideas and collaboration to improve performance for both the team's well-being and business needs. In addition, the Operations manager is very easy to reach and fast in response.
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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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Singapore (7) Germany (1) Spain (1) United States (1)

This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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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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3 of 4 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Customer Support Outsourcing for Game Development Company
5.0 — Customer Umbrella provides customer support services for a game development company. The team is in charge of addressing any customer queries and concerns across various platforms (e.g., email, live Read more
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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 Retail Utilities

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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?
SupportYourApp

4.8 87 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 Customer Support Services company providing comprehensive Contact Center Services, including inbound and outbound call handling, phone support, and customer care solutions. The overwhelmingly positive feedback highlights their ability to rapidly scale teams and deliver timely, high-quality support that effectively boosts customer satisfaction and response times. Over 90% of reviewers commend their flexibility, project management, and alignment with client needs.

See all 87 projects
Reviews mention Great project management
Clients consistently commend SupportYourApp for its exemplary project management capabilities. Feedback highlights their structured, responsive, and collaborative approach, ensuring clear communication and alignment with client processes. For instance, one client noted their ability to adapt quickly to changing priorities while maintaining project timelines. Another emphasized their proactive communication and organized planning, which facilitated smooth operations and timely deliverables. Overall, the sentiment reflects a strong appreciation for SupportYourApp's commitment to effective project management, contributing significantly to client satisfaction.

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, and they're flexible in adapting to any changes or new requirements. Their proactive approach to problem-solving and commitment to continuous improvement ensured that the project stayed on track and met all of our objectives.
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Customer Support for Fintech Company

5.0 Apr 14, 2020

Their project management was great. We had a dedicated project manager that assisted with recruitment, integration, and process management. We used Zoom, Google Hangouts, and Slack to communicate with them. Our team also used Trello to manage the project.
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Customer Support Services for Science-Inspired Products Co

5.0 Apr 30, 2025

SupportYourApp did a great job managing the project. They always delivered on time and met our expectations. The team was quick to respond to our needs, making adjustments when necessary and staying in touch regularly to keep everything on track.
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Outsourced Back-Office/Customer Service for Wellness App Co

5.0 Dec 23, 2025

Support Your App demonstrated strong project management throughout the engagement. Deliverables and support tasks were consistently handled on time, and any issues that arose were addressed quickly and effectively. Communication was clear, organized, and responsive, allowing work to progress without delays or confusion.
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IT Staff Aug for Generative AI Platform

4.5 Feb 15, 2026

The project management has been very smooth. We rarely had additional requests, and the agents consistently delivered on time and handled any issues efficiently. Overall, we were very satisfied with their responsiveness, rating them 9 out of 10.
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30 of 33 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Water & Energy Metering Company
5.0 — SupportYourApp provides customer care services for a water and energy metering company. The team answers first-level questions, handles hotline calls, and provides TeamViewer problem-solving. Read more
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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.
Get in Touch

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United States (25) Ukraine (7) Israel (6) England (5) Germany (3) Netherlands (3) Czech Republic (2) Denmark (2) Sweden (2) Ireland (2) Luxembourg (1) Poland (1) Austria (1) Malta (1) Greece (1) New Zealand (1) Norway (1) Italy (1) Russia (1) France (1) Switzerland (1) Costa Rica (1) Canada (1) Bahamas (1)

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six eleven global services

4.8 10 reviews
Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

40% Call Center Services

30% Back Office Outsourcing

30% Customer Service Outsourcing

six eleven global services is a customer support service provider specializing in call center services such as call handling and customer care services. The feedback is overwhelmingly positive, with 100% of reviewers noting their responsive service and alignment with company values. Clients are impressed by their prompt one-hour response time and effective customer service operations, highlighting their professionalism and exceptional value for cost.

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Reviews mention Flexible
Clients have consistently praised Six Eleven Global Services for their flexibility in service delivery. One senior manager highlighted their selection of the company due to its flexibility and professionalism, noting that they effectively handled inbound and outbound calls for American and Canadian customers. This adaptability, combined with a commitment to improving processes, has contributed to positive customer feedback and overall satisfaction with the services provided.

Customer Service BPO for Remote Monitoring Company

5.0 Feb 13, 2023

They're distinguished by flexibility, concern to improve the processes, and mindset of quality.
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Average Project Cost Breakdown

$50,000 to $199,999 (2) $200,000 to $999,999 (2) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently highlight six eleven global services' competitive pricing and strong value for money. One client noted that their pricing fit the budget and provided good value, while another emphasized significant cost savings without compromising quality. The overall sentiment is positive, with multiple reviews praising their effective communication and high-quality service relative to cost, indicating a strong alignment with client expectations and needs.
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More responsive than most other service providers

six eleven global services 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 (6) Canada (1) Malaysia (1)

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Simply Contact

4.8 26 reviews
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 distinguished provider of Contact Center Services and Customer Support Services, recognized for managing inbound and outbound customer interactions across multiple languages and channels. Reviews highlight their expertise in delivering exceptional service, with 100% of clients noting impressive project management and communication. Approximately 90% of reviews emphasize their ability to enhance customer satisfaction and streamline support systems, underscoring their reliability and adaptability.

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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 Retail. Clients consistently praise their adaptability, quick onboarding, and effective support solutions, noting substantial improvements in customer satisfaction and operational efficiency. The overall sentiment is highly positive, indicating a strong ability to enhance customer experience and streamline workflows, making them particularly suited for companies seeking reliable customer support across diverse sectors.
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Software Business services Information technology Financial services Education IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Telecommunications Advertising & marketing

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Average Project Cost Breakdown

$10,000 to $49,000 (6) $1,000,000 to $9,999,999 (4) $50,000 to $199,999 (3)

What Clients Have Said
Clients generally perceive Simply Contact as offering good value for money, highlighted by their competitive pricing relative to the quality of service delivered. Many reviews noted satisfaction with cost-effectiveness, with feedback indicating a 'good value for cost' and a 'pricing fit our budget.' However, some clients suggested that the pricing strategy could be improved. Overall, sentiment towards Simply Contact's pricing and value is largely positive.
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Ukraine (8) United States (7) England (4) Israel (1) Italy (1) Latvia (1) Philippines (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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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have praised Combine Global Recruitment for their holistic approach and strategic insights, which are perceived as valuable in meeting fast growth demands. One client noted the comprehensive candidate data provided, aiding in informed decision-making. Overall, the sentiment reflects satisfaction with the cost-to-value ratio, highlighting that the service's quality justifies the investment. The direct involvement of senior leadership, such as the CEO, was also appreciated, enhancing the perceived value.
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More responsive than most other service providers

Combine Global Recruitment 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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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Local clients praise Combine Global Recruitment for their strategic approach to building management teams, especially during rapid growth. They emphasize the company's ability to deliver quality candidates quickly and with detailed data, facilitating fast, effective decision-making.
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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?

Virtual Sales Limited

4.8 20 reviews
Premier Verified

$1,000+

$50 - $99 / hr

10 - 49

Serves Sao Paulo, Brazil

Services provided

50% Call Center Services

50% Sales Outsourcing

Virtual Sales Limited is a telemarketing and outbound call center service provider specializing in customer growth and lead generation. Their reviews highlight their consistent delivery and impressive industry knowledge, with 100% of reviewers praising their project management and communication skills. Clients report high satisfaction with the quality of meetings booked and the seamless integration into their sales processes.

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3 of 6 Call Center Services reviews are 5 stars

2 new reviews 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 (8) Less than $10,000 (3) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Virtual Sales Limited's excellent value for money, with multiple reviews noting that their pricing fits within budget while delivering significant results. One client emphasized the 'good value for cost' and another mentioned they 'booked 12 meetings' with a '5% conversion rate,' showcasing effective lead generation. Overall, the sentiment is overwhelmingly positive, with clients expressing satisfaction with the cost-effectiveness and quality of service provided.
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More responsive than most other service providers

Virtual Sales Limited 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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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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Reviews mention Communicative
Clients consistently praised Valoris Center for their exceptional communication skills and responsiveness. One client noted their 'approachable' nature and ability to provide 'pragmatic solutions,' while another highlighted the 'strong point' of their partnership being effective communication. Both reviews emphasized that Valoris delivers on time and aligns with client needs, reinforcing their reputation as a reliable partner in service delivery.

Customer Service Outsourcing for Financial Services Company

5.0 Aug 4, 2025

Valoris is a company which baked customer centricity into their DNA. Always approachable, very focused on our needs and reliable in terms of what has been agreed and promised. Communication on eye level, pragmatic solutions when needed. I for sure would rework with Valoris again.
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1 of 1 reviews is 5 stars

1 new review for Call Center Services services

Unknown avg. project cost

Reviewed 1 time in the past 6 months
In the past six months, Valoris Center has received positive feedback for their punctual project management and effective customer support, with clients noting impressive responsiveness to needs and a strong cultural fit. One client, the Quality Manager of BRT SPA, highlighted the successful achievement of objectives related to customer experience and CSAT, praising the team's understanding and communication. Overall, sentiment reflects satisfaction with the value provided and the quality of service.
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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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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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A-SALES AB

4.9 67 reviews
Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Sao Paulo, Brazil

Services provided

10% Call Center Services

80% Sales Outsourcing

10% Email Marketing

A-SALES AB is a company specializing in outbound sales generation and telemarketing services. They consistently receive positive feedback for their tailored, data-driven approach, maintaining an average of 10–20 qualified meetings monthly. Their project management is praised for reliability and precision, reflected in 100% of reviews noting timely deliverables and effective communication. Their deep understanding of client industries and commitment to success are frequently highlighted.

See all 67 projects
Reviews mention Professional
The overall sentiment regarding A-SALES AB's professionalism is highly positive. Clients highlighted their 'professional demeanor' and 'strong project management,' noting their responsiveness and punctuality. For instance, one CEO praised their ability to deliver high-quality leads quickly, while another mentioned their impressive communication and adaptability. A-SALES AB consistently exceeded expectations, demonstrating a commitment to quality and professionalism without any noted areas for improvement.

Lead Gen & Appointment Setting for Video Solutions Company

5.0 Mar 29, 2024

Always on the ball and time-conscious, they met deadlines without sacrificing quality. They were responsive and adaptable to our needs, adopting a flexible approach to address our evolving requirements. Their prompt deliverables and receptivity to feedback made for a seamless collaboration. Professional, skilled, and consistently trustworthy.
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Lead Gen & Email Mktg for Digital Marketing Agency

4.0 Feb 26, 2024

They were very responsive and worked hard to deliver the work they carried out for us on time. The passion, professionalism, and knowledge of the sales industry are significant. They leverage the latest tech trends and techniques to help our business cut through the competition.
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Demand Generation & Email Marketing for IT Co

5.0 Dec 11, 2024

The team is very punctual, and approachable. Any doubts that ever came up, were handled professionally and quickly.
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Sales Outsourcing & Lead Geneneration for B2B SaaS Company

5.0 Aug 20, 2025

A-SALES AB has delivered above our target of qualified meetings to our sales team. They have the ability to penetrate large accounts and drive a consistent pipeline. The team has a professional demeanor and uses advanced targeting, outbound techniques, and technologies.
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3 of 3 reviews are 5 stars

Less than $10,000 avg. project cost

Reviewed 3 times in the past 6 months
In the last six months, A-SALES AB has received positive feedback for their lead generation and appointment-setting services, with clients noting a significant increase in qualified calls and appointment bookings. One client reported a 300% increase in appointment generation, while another praised their effective communication and eagerness to learn. However, some clients mentioned areas for improvement in project management and communication speed. Overall, sentiment remains highly favorable, highlighting A-SALES AB's value and alignment with client needs.
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16 of 16 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Sales Outsourcing Services for E-Commerce Fulfillment Co
5.0 — A-SALES AB provides sales outsourcing services for an e-commerce fulfillment company. The team is responsible for helping the client break into the Western market through cold emails and cold calls. Read more
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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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What are Featured Providers?

Appointment Setter Online

5.0 54 reviews
Premier Verified

$1,000+

Undisclosed

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

55% Sales Outsourcing

25% Back Office Outsourcing

Appointment Setter Online is a company specializing in outbound call center and appointment-setting services. The reviews consistently highlight their professionalism, dependability, and ability to generate qualified leads and appointments, with a noticeable increase in sales and client engagement reported by 40% of reviewers. Their commitment to clear communication and organized project management is frequently praised, although some suggest more detailed reporting could add further value.

See all 54 projects

Industry Experience

Appointment Setter Online has demonstrated expertise across various industries, including Electric, Education, Automotive, Legal, and Construction. Clients highlighted their strengths in lead qualification, appointment setting, and tailored communication, resulting in improved conversions and efficiency. Overall sentiment is positive, with particular praise for their adaptability and understanding of industry-specific needs. Their impact is notably strong in sectors like Education and Automotive, making them a suitable choice for clients seeking effective appointment setting solutions.
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Select Industry to see insights

Construction Agriculture Electric Financial services Consumer products & services Software Dental Roofing Business services Research Publishing Non-profit Medical Advertising & marketing Nonprofit Home Services Legal Automotive Education

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Average Project Cost Breakdown

$10,000 to $49,000 (24) $50,000 to $199,999 (8) Less than $10,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients consistently commend Appointment Setter Online for their exceptional value for money and competitive pricing. Multiple testimonials highlight the company's ability to deliver qualified leads and efficiently manage appointments, resulting in improved conversion rates. For instance, one client noted a 40% increase in qualified appointments, while another mentioned a significant rise in scheduled consultations. Overall, the sentiment reflects strong satisfaction with the cost-effectiveness of their services, with many clients indicating they received more than they paid for.
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More responsive than most other service providers

Appointment Setter Online 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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$1,000 1 Full Time Appointment Setter $1,800 2 Full Time Appointment Setters $4,500 5 Full Time Appointment Setters

Award Winning Appointment Setting Team
Helps businesses consistently fill their sales calendar with qualified prospects. We specialize in scheduling appointments through professional outreach via calls, texts, and emails, customized to your industry and target market. Our trained appointment setters ensure every lead is warmed up and ready for your sales team.
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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 Exceptional performance

Digital Strategy for Environmental Solutions Platform

Customer Service Outsourcing for Gaming Company

Multilingual Customer Support for Beverage Company

Call Center Services for Automotive Company

Industry Experience

Select Industry to see insights

Reviews mention Proactive

Centralization Process & Outsourcing Svcs for Treatment Firm

Call Center Services for Nonprofit Organization

Call Center Services for Resume Builder Website

Image Annotation for Computer Vision Software

Social Media Management for Author

Call Center Services for Digital Government Partner

Industry Experience

Select Industry to see insights

Helpware CX is very responsive

Call Center Services for Third-Party Management Company

Average Project Cost Breakdown

What Clients Have Said

Select VoiceCom is very responsive

Reviews mention Collaborative

Call Center Services for Global Social Media Company

BPO Services for E-Commerce Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Customer Support Outsourcing for Game Development Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Great project management

Customer Support for Smart Home Climate Control Brand

Customer Support for Fintech Company

Customer Support Services for Science-Inspired Products Co

Outsourced Back-Office/Customer Service for Wellness App Co

IT Staff Aug for Generative AI Platform

Call Center Services for Water & Energy Metering Company

SupportYourApp is very responsive

Reviews mention Flexible

Customer Service BPO for Remote Monitoring Company

Average Project Cost Breakdown

What Clients Have Said

six eleven global services is very responsive

Call Center Staffing for Government Helpline

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Combine Global Recruitment is very responsive

Lead Generation Services for SaaS Company

Average Project Cost Breakdown

What Clients Have Said

Virtual Sales Limited is very responsive

Reviews mention Communicative

Customer Service Outsourcing for Financial Services Company

Reviewed 1 time in the past 6 months

Call Center & Sales Services for FinTech Platform Co

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Professional

Lead Gen & Appointment Setting for Video Solutions Company

Lead Gen & Email Mktg for Digital Marketing Agency

Demand Generation & Email Marketing for IT Co

Sales Outsourcing & Lead Geneneration for B2B SaaS Company

Reviewed 3 times in the past 6 months

Sales Outsourcing Services for E-Commerce Fulfillment Co

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown