Top Call Center Services & Voice Services in Sao Paulo

Ratings Updated: August 5, 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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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
Read 3 Reviews

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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 Automotive Food & Beverages Software Environmental Services Advertising & marketing Gaming

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Average Project Cost Breakdown

$50,000 to $199,999 (7) $200,000 to $999,999 (6) $10,000 to $49,000 (2)

What Clients Have Said
Clients consistently commend Hugo Inc. for providing excellent value for money, noting that their services align well with project costs. For instance, a CMO highlighted Hugo's 'good value for cost' in scaling customer experience infrastructure, while a Head of Finance remarked on their 'great culture fit' and 'good value for cost.' Overall, the sentiment reflects satisfaction with the pricing relative to the quality and impact of services delivered, reinforcing Hugo's reputation as a cost-effective partner.
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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 Helpful
Helpware CX has received overwhelmingly positive feedback regarding their helpfulness. Clients highlighted the team's commitment to providing seamless, 24/7 support and their proactive approach in addressing concerns. For instance, one client noted the agents' adeptness and willingness to learn about their business. Another emphasized the effective communication and friendly demeanor of the Helpware team. Overall, clients expressed satisfaction with Helpware's performance and noted no significant areas for improvement.

Call Center Services for Hotel Booking Software Company

5.0 Aug 21, 2023

The management team is helpful, friendly, and professional. The agents are also adept at what they do and curious to learn more and more about our business. The experience was honestly seamless and they continue to be a great partner.
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Customer Support for Custom Meal Service Provider

5.0 Feb 4, 2022

From the agents to the leadership, everyone was always so ready and willing to help. The team's general responsiveness is yet another reason to be appreciative to be working with Helpware. The leadership and the agents all took their responsibilities very seriously and I really appreciate how hard they work to ensure our needs are met.
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Staffing for Article Engagement Specialists

4.0 Oct 5, 2018

Everyone from Helpware has been great to work with. The team is extremely friendly and professional in all that they do. They are very easy to contact and maintain communication with.
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Staffing for Article Engagement Specialists

4.0 Oct 5, 2018

Helpware’s commitment and willingness to help out is what makes them so impressive.
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Staff Augmentation for Computer Software Company

4.5 Oct 24, 2019

They have found two spectacular people who have been a pleasure to work with. They have been very helpful in addressing any of our concerns. It feels like there is a team behind our people. It's probably because there is.
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Industry Experience

Helpware CX has demonstrated strong capabilities across diverse industries, including Telecommunications, Information Technology, eCommerce, and Healthcare, receiving positive feedback for their customer research, training, and support services. Clients commend their project management efficiency, adaptability, and ability to enhance customer satisfaction. Overall sentiment is favorable, with notable success in improving response times and customer engagement, making Helpware a valuable partner for businesses seeking scalable support solutions.
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Software Consumer Products Healthcare Information technology 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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United States (40) Canada (1) Georgia (1) Kenya (1) New Zealand (1)

This provider is fluent in 16 languages:

Mandarin

English

Spanish

Arabic

Russian

Portuguese

Japanese

German

Korean

French

Vietnamese

Italian

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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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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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Industry Experience

Select VoiceCom exhibits strong capabilities across various industries, including Media, Business Services, Advertising & Marketing, Pharmaceuticals, Financial Services, and Legal. Clients commend their reliability, project management, and the ability to deliver measurable results, such as increased sales and improved customer service. Overall, feedback suggests a positive sentiment, particularly in the Financial Services and Legal sectors, where their attention to quality and client needs is highlighted as a key strength.
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Media Business services Advertising & marketing Pharmaceuticals Other industries Legal Financial services

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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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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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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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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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São Paulo, Brazil

Avenida Paulista 1374 – 6th floor, Bela Vista
São Paulo, Brazil 01310-000
101 - 150

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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 Detail-oriented
Customer Umbrella has received high praise for their detail-oriented approach in managing content moderation and customer support. Clients highlighted their meticulous attention to safety regulations and proactive problem-solving, which significantly improved user experience. Notably, one client commended their ability to seamlessly integrate into existing systems and adapt to specific requests, demonstrating a commitment to excellence. Overall, feedback reflects a strong sentiment of satisfaction regarding their thoroughness and professionalism in delivering services.

Back Office Support for Photo Organization Platform

5.0 Mar 1, 2024

Their steadfast commitment to providing outstanding service was what made them most memorable. They constantly went above and beyond to make sure that all of the content on our platform complied with the strictest safety regulations. Their professionalism, knowledge, and meticulous attention to detail were absolutely astounding and made a big difference in our collaboration's success.
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Customer Support for Game Development Company

5.0 Jan 20, 2023

The player's requests are handled with utmost care and attention in detail in shortest amount of time - they are doing a splendid job. Customer Umbrella takes a lot of time to listen to our custom requests and workflows and adapts to them effortlessly.
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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 service center specializing in Contact Center Services, providing comprehensive solutions including Customer Support Services, Phone Support, and Telephonic Support. Across various reviews, clients praised their efficiency and adaptability, with many noting their proactive approach and commitment to client schedules. Approximately 90% of reviews highlighted their ability to handle high volumes of customer inquiries effectively.

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Industry Experience

SupportYourApp has demonstrated expertise across various industries, including Arts & Entertainment, Media, Energy & Natural Resources, Retail, Information Technology, and Financial Services. Feedback highlights their strengths in customer support, effective communication, and adaptability to client needs. Clients appreciate their proactive approach, efficiency in handling inquiries, and ability to scale teams quickly. Overall sentiment is positive, particularly in sectors like IT and Media, where they significantly enhance operational efficiency and customer satisfaction.
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Hospitality & leisure Non-profit Transportation Consumer Products eCommerce HVAC Healthcare Telecommunications Arts, entertainment & music Research Other Industry Social Networking Business services Gaming Software Education Financial services Energy & natural resources Manufacturing Fitness Wellness & Fitness Other industries Retail Media Advertising & marketing Information technology IT Services

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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 received positive feedback regarding its cost-effectiveness and value for money. Clients frequently mention that their pricing fits within budget constraints while delivering quality service. For instance, one client noted, 'Pricing fit our budget and good value for cost,' emphasizing the alignment of SupportYourApp’s services with their financial expectations. Overall, clients express satisfaction with the return on investment, highlighting that the support received often exceeds their initial expectations.
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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.

See all 10 projects
Reviews mention Hard working
Clients consistently highlight the hard-working nature of six eleven global services, noting their dedication to meeting project needs. One client emphasized their impressive work ethic and ability to listen to directions effectively, stating, 'What six eleven does best is working very hard and listening to our directions very well.' Overall, feedback reflects a strong sentiment regarding their commitment to delivering quality services and adapting to client requirements.

Customer Service Outsourcing for Online Yoga Instructions Co

4.0 Feb 10, 2023

What six eleven does best is working very hard and listening to our directions very well. We’re very clear and concise with our instructions. Still, we really appreciate how hard they work to meet our needs.
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1 of 1 Call Center Services reviews are 5 stars

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 received positive feedback across several industries, including Advertising & Marketing, Telecommunications, Logistics & Supply Chain, and Beauty & Cosmetics. Clients highlight their strengths in delivering high-quality customer support, effective communication, and operational scalability. The overall sentiment reflects strong expertise in managing customer service projects, with measurable success in response times and project accuracy. Their adaptability and commitment to client satisfaction make them a suitable choice for businesses seeking support in these sectors.
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Advertising & marketing Logistics & Supply Chain Beauty & Cosmetics Telecommunications Consulting Wellness & Fitness

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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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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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Reviews mention Customized support
Simply Contact has received positive feedback for their customized support, demonstrating a keen understanding of client needs. One client noted their tailored solutions and proactive engagement during onboarding, leading to a 16% increase in user retention. Another client highlighted their customized approach to addressing specific challenges, resulting in a 30% faster response time and improved customer satisfaction. Overall, the sentiment is highly favorable, emphasizing Simply Contact's ability to adapt and provide effective, personalized support.

Customer Service Outsourcing for Data Analytics Company

5.0 Oct 16, 2023

Simply Contact exhibited exemplary project management skills. They were punctual, adaptive, and highly responsive to our specific needs and feedback, ensuring a customized and effective service delivery. The adaptability and innovation Simply Contact brings to customer service are remarkable. Their ability to tailor solutions that fit our specific needs, coupled with a proactive approach in anticipating and addressing challenges, has been a standout quality.
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Outsourced Customer Service for Cloud Collaborative Platform

5.0 Sep 12, 2024

They quickly learned the nuances of our platform and provided tailored solutions for our users. They also gave us insights on how to improve customer support and implemented AI-based tools.
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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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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 strong capabilities across various industries, including Information Technology, Financial Services, Education, Advertising & Marketing, and others. Reviews indicate a consistent ability to enhance customer support processes, improve satisfaction rates, and provide multilingual assistance. Clients praised their adaptability, project management, and quick onboarding of agents. Overall, sentiment is positive, particularly in IT, education, and marketing sectors, suggesting that Simply Contact is well-suited for projects requiring efficient customer service solutions.
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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 express satisfaction with Simply Contact's cost-effectiveness and value for money, highlighting their competitive pricing and quality of service. For instance, one client noted they received 'good value for cost' while another emphasized that their pricing 'fit our budget.' However, some reviews also mentioned room for improvement in their pricing strategy. Overall, the sentiment is positive, with many clients appreciating the balance between affordability and service quality.
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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

Reviewers in the region commend Combine Global Recruitment for their deep business insight, assertiveness, and ability to build solid organizational structures tailored to rapid growth and market demands.
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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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What are Featured Providers?

Virtual Sales Limited

4.8 21 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 service firm specializing in outbound call center and customer support services. The company has received overwhelmingly positive feedback, with clients praising its timely project management, industry expertise, and effective communication. Approximately 80% of reviewers commend their ability to secure meetings and generate leads, highlighting their role in enhancing business pipelines and market reach.

See all 21 projects

4 of 6 reviews are 5 stars

2 new reviews for Call Center Services services

Less than $10,000 avg. project cost

Reviewed 6 times in the past 6 months
In the past six months, Virtual Sales Limited has received positive feedback for their efficiency and flexibility in lead generation and appointment-setting services. Clients praised their ability to secure meetings, with one noting an average of 3 meetings per week leading to a substantial pipeline. Another client highlighted their seamless integration into the team and impressive communication. Overall, the sentiment is very favorable, with minimal suggestions for improvement, primarily regarding industry-specific expertise.
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Industry Experience

Virtual Sales Limited demonstrates strong expertise across various sectors including Business Services, Information Technology, Financial Services, Telecommunications, Supply Chain, and Advertising & Marketing. Clients commend their flexibility, timely delivery, and effective communication. The overall sentiment is positive, with significant lead generation and meeting booking outcomes reported. Particularly in IT and Financial Services, their knowledge and efficiency are highlighted as strengths, making them a valuable partner for organizations seeking effective sales outreach.
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Software IT Services Construction Financial services Consulting Supply Chain, Logistics, and Transport Advertising & marketing Other industries Telecommunications Business services Information technology

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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 generally express satisfaction with Virtual Sales Limited's pricing and perceived value. Many reviews highlight that their pricing fits within clients' budgets while providing good value for the cost. For instance, one client noted, 'They deliver well and on time and have been very flexible adapting to our requirements,' emphasizing their efficiency. Another remarked, 'Their professionalism and effectiveness are sure to add value to any business.' Overall, the sentiment reflects strong approval of the company's cost-to-value ratio.
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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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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. Clients, such as the Quality Manager of BRT SPA, highlighted their impressive reaction time to needs and understanding of customer requirements. The company was praised for its good cultural fit and value for cost. Overall, the sentiment is highly favorable, with no noted areas for improvement at this time.
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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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Romania (8) Austria (1) Croatia (1) Italy (1) Russia (1)

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Assistring LLC

5.0 16 reviews

Verified

$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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2 of 2 reviews are 5 stars

1 new review for Call Center Services services

$10,000 – $49,000 avg. project cost

Reviewed 2 times in the past 6 months
Recent client reviews of Assistring LLC highlight a strong sentiment of satisfaction, particularly regarding their customer service support and operational reliability. One client noted a significant drop in call drop rates from 40% to under 3%, attributing this success to well-trained staff and efficient management. Another client praised their seamless multichannel support and improved sales performance over five years. Overall, clients commend Assistring's responsiveness, cultural fit, and alignment with company values, with no notable areas for improvement mentioned.
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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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United States (6) England (5) Poland (1)

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$1,000 Best for 500 calls a month. $5,000 Best for 2500 calls a month. $10,000 Best for 5000 calls a month.

Customer Support call
Our Customer Support Call package provides businesses with 24/7 professional customer service to handle inbound calls, inquiries, and order-taking. With a team of highly trained agents, we ensure your customers receive timely and effective support, enhancing their overall experience with your brand.
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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?

A-SALES AB

4.9 83 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 telemarketing service provider specializing in outbound call center and customer support services. They consistently deliver high-quality pipeline generation and meeting bookings, with 100% of reviews noting excellent project management and responsiveness. Clients appreciate their tailored, strategic approach and consistent, proactive communication, leading to measurable business growth and successful sales outcomes in competitive markets.

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17 of 18 reviews are 5 stars

7 new reviews for Call Center Services services

Less than $10,000 avg. project cost

Reviewed 18 times in the past 6 months
In the past six months, A-SALES AB has garnered overwhelmingly positive feedback from clients, highlighting their professionalism, responsiveness, and ability to generate qualified leads. Clients noted their strategic approach in understanding complex industries, with one praising their capability to refine messaging based on campaign performance. Additionally, consistent communication and timely delivery of results were frequently mentioned. Overall, clients expressed satisfaction with measurable outcomes, such as increased appointment bookings and improved sales pipelines, indicating A-SALES AB's effectiveness as a partner.
Read 18 Recent Reviews

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22 of 23 Call Center Services reviews are 5 stars

7 new reviews for Call Center Services in past 6 months

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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Industry Experience

A-SALES AB has garnered positive feedback across several industries including Information Technology, Business Services, Advertising & Marketing, and Manufacturing. Clients commend their expertise in lead generation and appointment setting, noting significant increases in qualified meetings and sales pipelines. Their strength lies in understanding complex value propositions and tailoring outreach strategies accordingly. Overall, sentiment is overwhelmingly favorable, making them a suitable partner for organizations seeking to enhance sales efforts, particularly in B2B environments.
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Select Industry to see insights

Other industries Information technology Manufacturing Software Advertising & marketing Consumer products & services Business services Construction Consumer Products Government Financial services Education Healthcare Supply Chain, Logistics, and Transport Human Resources IT Services Consulting

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United States (18) Sweden (12) Norway (7) England (5) Australia (5) India (4) Germany (2) Finland (2) Italy (1) Poland (1) Cyprus (1) Japan (1) Netherlands (1) Canada (1) Philippines (1) France (1) Singapore (1) Slovenia (1) Belgium (1) United Arab Emirates (1) Armenia (1) Austria (1)

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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 and inbound call center services, including appointment setting, prospect outreach, and lead qualification. Across their reviews, clients have praised their professionalism, consistency, and ability to deliver high-quality, sales-ready appointments, with nearly 100% positive feedback. Approximately 80% of reviewers highlighted their effective project management and responsiveness, contributing to improved sales pipelines and conversion rates.

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Reviews mention Detail-oriented
Clients consistently praised Appointment Setter Online for their detail-oriented approach, highlighting their ability to book relevant appointments and manage leads effectively. One client noted, "Their consistency and attention to detail made a real difference to our business," while another emphasized the CEO's focus and the team's thorough training. Overall, feedback reflects a strong sentiment towards their meticulousness and professionalism, contributing to improved lead quality and successful project outcomes.

Call Center Services for Software Dev Co

5.0 Jun 10, 2025

Their CEO is the most detail-oriented and focused person I’ve ever seen in the call center industry. Appointment Setter Online is unique to us because we’ve tried around six providers previously. They were good for the first few months, but then they showed their true colors. Jay has been consistent and speaks to us the same way he did on day one.
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Call Center Services for Marketing Agency

5.0 Jul 14, 2025

The team has been very detailed. They give us a detailed overview every week, and we're happy with that. They use our system to manage the leads. In that system, we can see how many leads are converted and how many are pending.
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Appointment Setting Services for Renovation Company

5.0 Dec 20, 2025

What impressed us most was their consistency and attention to detail they didn’t just book appointments, they booked the right appointments. Every lead felt relevant, and that level of quality made a real difference to our business.
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Industry Experience

Appointment Setter Online has demonstrated expertise across various industries, including financial services, education, automotive, legal, and non-profit sectors. Clients consistently praised their lead qualification and appointment-setting efficiency, leading to improved conversion rates and sales pipelines. The overall sentiment reflects strong satisfaction, particularly in the automotive and education sectors, where significant growth in scheduled appointments was reported. Their professional communication and adaptability make them a strong fit for businesses seeking to enhance client engagement and streamline outreach efforts.
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Select Industry to see insights

Construction Agriculture Advertising & marketing Electric Financial services Consumer products & services Software Dental Roofing Business services Research Publishing Non-profit Medical 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 praise Appointment Setter Online for offering good value for their cost, highlighting their ability to deliver qualified leads and appointments efficiently. For instance, one client noted they chose the company due to its 'good value for cost' and experienced a significant increase in scheduled meetings. Overall, feedback reflects a strong sentiment regarding the company's pricing strategy, with many clients expressing satisfaction with the return on investment and the quality of service provided.
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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.
Get in Touch

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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

Call Center Services for Automotive Company

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Reviews mention Helpful

Call Center Services for Hotel Booking Software Company

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Helpware CX is very responsive

Call Center Services for Third-Party Management Company

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Select VoiceCom is very responsive

Customer Deployment for Consumer Products Company

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Back Office Support for Photo Organization Platform

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Reviews mention Hard working

Customer Service Outsourcing for Online Yoga Instructions Co

Call Center Services for E-Commerce Company

Industry Experience

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six eleven global services is very responsive

Reviews mention Customized support

Customer Service Outsourcing for Data Analytics Company

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Customer Support Services for Email Deliverability Platform

Call Center Staffing for Government Helpline

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What Clients Have Said

Industry Experience

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What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

Combine Global Recruitment is very responsive

Reviewed 6 times in the past 6 months

Industry Experience

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Average Project Cost Breakdown

What Clients Have Said

Virtual Sales Limited is very responsive

Reviewed 1 time in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

Valoris Center is very responsive

Reviewed 2 times in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

Customer Support call

Reviewed 18 times in the past 6 months

Sales Outsourcing Services for E-Commerce Fulfillment Co

Industry Experience

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Reviews mention Detail-oriented

Call Center Services for Software Dev Co

Call Center Services for Marketing Agency

Appointment Setting Services for Renovation Company