Top Call Center Services & Voice Services in Sao Paulo

Ratings Updated: June 26, 2026

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Featured

What are Featured Providers?
Hugo Inc.

5.0 28 reviews
Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

25% Customer Service Outsourcing

15% Back Office Outsourcing +4 services

10% Content Moderation Services

10% Data Annotation Services

10% Finance & Accounting Outsourcing (FAO)

10% Sales Outsourcing

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

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Reviews mention Puts the customer first
Client feedback on Hugo emphasizes their strong commitment to customer-centricity. One client noted Hugo's 'exemplary project management' and 'proactive approach to communication,' which ensured timely deliveries and responsiveness to evolving needs. Another highlighted their '24/7 customer support,' significantly boosting satisfaction levels across diverse time zones. Overall, clients expressed a high satisfaction level with Hugo's adaptability and dedication to aligning with their values and objectives, reinforcing a positive sentiment towards the company's customer-first philosophy.

Digital Marketing, SMM & SEO for Software Solutions Company

5.0 Dec 8, 2023

Hugo's project management was exemplary throughout our engagement. They consistently delivered project milestones on time, demonstrating a strong commitment to timelines and deadlines. Their proactive approach to communication and responsiveness to our needs played a crucial role in the project's success. Regular updates and clear channels of communication were established, allowing for transparent progress tracking and immediate issue resolution.
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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. Their devotion to catering to our specific demands was evident in their customized approach and adaptable solutions.
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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

Back Office Outsourcing for E-Commerce Co
5.0 — Hugo provides back-office outsourcing for an e-commerce company. The team has handled the client's back-office tasks, managed communications and relationships with retailers' networks, and vetted Read more
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Industry Experience

Hugo Inc. has garnered positive feedback across multiple industries, including Financial Services, eCommerce, Automotive, Software, Environmental Services, Advertising & Marketing, Information Technology, and Gaming. Their expertise in customer support, operational efficiency, and content management has consistently been highlighted as a strength. Clients noted significant improvements in response times, customer satisfaction, and overall efficiency. Hugo's ability to adapt to various industry needs, coupled with their commitment to high-quality service, positions them as a valuable partner for businesses seeking to enhance their operations.
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Financial services eCommerce Automotive Food & Beverages Software Information technology Environmental Services Advertising & marketing Gaming Media

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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 professional provider of Contact Center Services, specializing in comprehensive Customer Support Services including Inbound and Outbound Call Handling, Phone Support, and Telephonic Support. The company has consistently received high ratings, with reviews highlighting their flexibility, seamless integration, and proactive management. Approximately 90% of reviews noted their impressive ability to customize services, adapt quickly, and maintain effective communication.

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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 has demonstrated solid expertise across a variety of industries, including Telecommunications, Information Technology, Healthcare, eCommerce, and Financial Services. Clients commend their effective customer support, project management, and adaptability. In Telecommunications, they successfully attracted new customers through targeted marketing. In IT and Healthcare, they delivered efficient training and operational support. eCommerce clients noted their positive impact on customer satisfaction. Overall, Helpware is well-suited for businesses seeking reliable operational support, especially in tech-driven and customer-centric sectors.
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Information technology Healthcare Software eCommerce Education Food & Beverages Nonprofit Media Retail Other Industry Automotive Business services Financial services Advertising & marketing Consumer Products Telecommunications Arts, entertainment & music IT Services

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Average Project Cost Breakdown

$50,000 to $199,999 (12) $10,000 to $49,000 (10) Less than $10,000 (4) $200,000 to $999,999 (3) $1,000,000 to $9,999,999 (3) $10,000,000 + (1)

What Clients Have Said
Overall, clients express a strong sentiment regarding Helpware's cost-effectiveness and value for money. Many reviews highlight that Helpware offers competitive pricing while delivering high-quality services. For instance, one CEO noted they chose Helpware for its 'good value for cost', while another mentioned significant cost savings and high-quality output. Additionally, clients appreciated the ability to scale resources without compromising quality, emphasizing that the value received far exceeds the investment made.
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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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Reviews mention Easy to work with
Clients consistently describe Select VoiceCom as easy to work with, highlighting their open communication and responsiveness. One client noted, 'their team has been amazing to work with,' appreciating the honest feedback exchange. Another remarked on their 'personalized approach' and willingness to adapt, stating they are 'very easy to speak to.' Overall, the sentiment reflects a strong alignment in culture and values, contributing to a collaborative and effective partnership.

Recruitment Services for Financial Services Company

4.5 Oct 17, 2025

We have found SVC an extremely well organized and communicative team. They respond within 24 hours and have been very open to suggestions, needs, or requests to make the process work for everyone involved. We love their personalized approach, very easy to speak to, honor what they say they are going to do and are open minded to change.
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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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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 prominent provider of Contact Center Services, offering comprehensive customer support solutions including inbound and outbound call handling, telemarketing, and customer care services. Reviews indicate a high satisfaction with TDCX's ability to provide scalable, high-quality service, with impressive results in customer satisfaction and service excellence. Approximately 95% of feedback highlights their effective communication, adaptability, and innovative approach to problem-solving.

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6 of 6 Call Center Services reviews are 5 stars

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

Call Center Services PROJECT HIGHLIGHT

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

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

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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

20% Call Center Services

20% Back Office Outsourcing

20% IT Managed Services +4 services

15% Customer Service Outsourcing

10% IT Staff Augmentation

10% Staffing

5% Recruiting

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 Receptive
Clients express high satisfaction with Customer Umbrella's responsiveness and communication. They highlight the team's strong understanding of client needs and their willingness to incorporate feedback, stating, "they were fast to handle any concerns and receptive to our suggestions." Overall, the sentiment is overwhelmingly positive, with clients noting significant improvements in customer support and engagement, attributing their success to the team's dedication and proactive approach.

Customer Support Services for Gaming Machines Company

5.0 Feb 17, 2024

They have fantastic communication skills and were very aware of our needs and priorities. Working with them was a genuine team effort because they were fast to handle any concerns and receptive to our suggestions.
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Customer Support for Game Development Company

5.0 Jan 20, 2023

Customer Umbrella takes a lot of time to listen to our custom requests and workflows and adapts to them effortlessly. We really appreciate how flexible everything is, depending on our needs.
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3 of 4 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Customer Support Services for Sports Betting & Gambling Firm
5.0 — Customer Umbrella provided customer support services for a sports betting and gambling firm. Their responsibilities included outbound calls, live chat support, and answering customer email Read more
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Industry Experience

Customer Umbrella demonstrates significant expertise across various industries, including Software, Gambling, Design, Manufacturing, Gaming, Retail, Healthcare, and Utilities. Their strengths lie in enhancing operational efficiency, customer support, and seamless integration with client teams. Reviews reflect a positive sentiment regarding their adaptability, responsiveness, and commitment to exceptional service. Clients in the Gaming and Healthcare sectors particularly commend their tailored solutions and proactive communication, making them a strong fit for businesses seeking reliable support in customer-centric environments.
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Software Gambling Design Manufacturing Gaming Retail Healthcare Utilities

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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 86 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 distinguished provider of Customer Support Services, specializing in Contact Center Services, Inbound and Outbound Call Center solutions, and 24/7 Customer Care Services. The company is lauded for its adaptive and responsive service, with clients noting improved customer satisfaction and efficient project management. Approximately 90% of reviews emphasize their flexibility and commitment to delivering high-quality telephonic support across various industries.

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Reviews mention Proactive
Clients consistently commend SupportYourApp for their proactive approach and effective communication. Feedback highlights their ability to anticipate challenges, adapt to evolving needs, and maintain a seamless workflow. For instance, one client noted their 'proactive communication' and 'ability to drive execution efficiently,' while another praised their 'remarkable proactive approach' in identifying workflow improvements. Overall, the sentiment is overwhelmingly positive, emphasizing their dedication to client success and operational excellence.

Customer Support for Smart Home Climate Control Brand

5.0 Aug 27, 2024

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 Services for R&D Service Provider

5.0 Feb 3, 2024

They had quick, professional, and proactive communication from the very start. Based on our customers’ positive feedback, we were satisfied with the quality of customer support provided by SupportYourApp.
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Customer Support for Gift & Accessories Brand

5.0 Jun 21, 2023

They are responsive when things go awry, they are committed to the relationship succeeding, and they're proactive when we express concerns. It's rare for such a collaboration to be without points of frustration, especially earlier in the process - what distinguishes them is their active commitment to rectifying problems when they arise.
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Call Center Services for Meditation App

5.0 Jan 23, 2023

Our contacts at SYA are very proactive with their communication of any team-related updates, and are very available for questions and requests that may come up. Their willingness to learn and work with new things and new tasks is impressive.
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Customer Support Services for B2B Software Development Firm

5.0 Jan 10, 2023

They are always ready and willing to talk to us and to communicate with us and reach out proactively to check in regularly. We are very happy with their services and are looking into expanding our support team with them.
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Industry Experience

SupportYourApp has received positive feedback across multiple industries, including Financial Services, Media, Energy & Natural Resources, Retail, Information Technology, and Education. Clients highlight their scalability, responsiveness, and expertise in customer support, with notable achievements in improving response times and customer satisfaction. Financial services and retail companies benefit from their ability to handle complex inquiries, while tech firms appreciate their technical proficiency. Overall, industries seeking reliable customer support and effective communication will find SupportYourApp to be a suitable partner.
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Hospitality & leisure Non-profit Consumer Products eCommerce HVAC Healthcare Telecommunications Arts, entertainment & music Research Transportation Other Industry Social Networking Business services Gaming Software Education Financial services Energy & natural resources Manufacturing Fitness Wellness & Fitness Advertising & marketing Other industries Information technology Retail Media 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
Clients have generally expressed satisfaction with SupportYourApp's pricing and perceived value, noting that their costs align well with budgets. For instance, a client from Lopay highlighted their good value for the cost, while another from Fourth Estate appreciated their budget-friendly pricing. However, some negative feedback regarding service quality and accountability suggests that not all clients felt they received the expected value, particularly when issues arose. Overall, the sentiment leans towards positive, but with caveats regarding service consistency.
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United States (25) Ukraine (7) Israel (6) England (5) Germany (3) Netherlands (3) Czech Republic (2) Denmark (2) Sweden (2) Luxembourg (1) Norway (1) Italy (1) Austria (1) Malta (1) Greece (1) New Zealand (1) Ireland (1) Poland (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 services provider specializing in call handling and customer service operations. The company has garnered positive feedback, with reviewers highlighting their exceptional responsiveness and alignment with company values. A significant 100% of reviewers commend their swift one-hour response times and the cultural fit, without any noted areas for improvement.

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Reviews mention Innovative
Clients have highlighted six eleven global services' innovative approach, particularly their flexibility and commitment to process improvement. One senior manager noted their unique mindset focused on quality, which distinguishes them from competitors. Overall, the sentiment regarding innovation is positive, with clients appreciating the company's ability to adapt and enhance service delivery.

Customer Service BPO for Remote Monitoring Company

5.0 Feb 13, 2023

What did you find most impressive or unique about this company? They're distinguished by flexibility, concern to improve the processes, and mindset of quality.
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1 of 1 Call Center Services reviews are 5 stars

$50,000 – $199,999 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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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 professional contact center services company specializing in inbound and outbound call handling, customer support services, and telephonic support across various languages and channels. Reviews indicate a remarkable satisfaction rate, with over 95% of feedback being positive, highlighting their efficiency, adaptability, and exceptional customer care services. Notably, Simply Contact achieved a 30-45% increase in customer satisfaction scores for multiple clients.

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Reviews mention Efficient
The sentiment regarding efficiency in Simply Contact's services is overwhelmingly positive. Clients highlighted their swift onboarding and training processes, which significantly improved operational efficiency and customer satisfaction. For instance, one client noted a 30% reduction in response times and a 25% increase in overall efficiency. Another client praised their project management as 'excellent,' emphasizing timely delivery and responsiveness. Overall, Simply Contact is recognized for seamlessly integrating into clients' operations and providing tailored, efficient solutions.

Back Office & Customer Service for App Optimization Agency

5.0 Feb 23, 2024

Simply Contact did an excellent job managing the project. They always finished work on time and quickly responded whenever we needed them. They trained their team fast and got the project up and running without any drop in quality. This made things go smoothly for both our customers and our team.
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Customer Service Outsourcing for Authentication Solutions Co

5.0 Oct 18, 2023

Simply Contact showcased outstanding project management throughout our collaboration. Every phase, from initiation to execution, was handled with utmost precision and efficiency. Their responsiveness and adaptability were commendable; they were quick to tailor their approaches to meet our specific needs and challenges.
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Call Center Services for Social Media Monitoring Tool

5.0 May 9, 2023

Simply Contact's project management was excellent. They are highly responsive to our needs and feedback. I'd say their team is professional, efficient, and flexible, and they work closely with us to ensure that our goals and objectives are met.
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Call Center Services for Wheelchair Rental System

4.5 May 1, 2023

Simply Contact's team efficiently handles customer inquiries and support requests in multiple languages, resulting in improved customer satisfaction and loyalty. Their 24/7 availability ensures that our users receive timely assistance, contributing to the ongoing success of WheelShare.
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Customer Support for Music Distribution Company

5.0 Apr 26, 2023

They are attentive to our requirements and are quick to implement any necessary changes. Their team is not only professional and efficient but also proactive in addressing potential issues.
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Industry Experience

Simply Contact has demonstrated expertise across multiple industries, including Information Technology, Financial Services, Education, and Advertising & Marketing. Clients highlight their strengths in providing multilingual customer support, enhancing operational efficiency, and improving customer satisfaction metrics. Overall sentiment is positive, with feedback praising their adaptability, responsiveness, and ability to deliver tailored solutions. Organizations within these sectors can particularly benefit from Simply Contact's customer support services.
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Software Information technology Financial services Education Advertising & marketing IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Business services Telecommunications

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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
Overall, client feedback indicates that Simply Contact offers good value for money, with several reviews highlighting their competitive pricing and cost efficiency. For instance, one client noted they selected Simply Contact due to its 'good value for cost,' while another emphasized that their pricing fit their budget. However, there were mentions of areas for improvement in their pricing strategy. The general sentiment reflects satisfaction with the service quality relative to the costs incurred.
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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 in the Information Technology sector, particularly in facilitating connections between influencers and travelers through Business Process Outsourcing strategies. Clients have praised their timely delivery, strong communication, and commitment to project success. Overall sentiment within this industry is positive, highlighting Labora's ability to enhance user experiences and foster community engagement. Potential clients in travel and influencer marketing may find Labora particularly well-suited 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 noted that Labora offers good value for money, with timely deliverables and responsive communication. One client highlighted their project management effectiveness, stating, "Most of their deliveries were on time" and praised their quick response times. Overall, the sentiment is positive, with clients appreciating the company's commitment to their projects, although there are suggestions for improvement, such as better integration of AI technology.
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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.
Get in Touch

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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

In São Paulo, clients commend Combine Global Recruitment for their holistic, strategic recruitment solutions, especially for scaling teams in dynamic markets. Their fast, data-driven process and deep understanding of client needs foster reliable, impactful hiring outcomes.
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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 company specializing in outbound call center and telemarketing services, focusing on lead generation and appointment setting. Their performance is lauded across reviews, with 100% of clients praising their communication and timely project management. Additionally, Virtual Sales Limited is noted for industry expertise and adaptability, with no areas for improvement suggested by clients.

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Reviews mention Professional
The feedback regarding Virtual Sales Limited's professionalism is overwhelmingly positive. Clients particularly commend their reliability, responsiveness, and prompt communication. For instance, a VP at Mobex noted their team's ability to quickly understand complex technology and maintain transparency in reporting. Similarly, an Account Executive from InsiderCX highlighted the team's professionalism and proactive nature, stating, 'The team was amazing.' Overall, clients express high satisfaction with their professionalism and effectiveness, with no reported areas for improvement.

B2B Lead Generation for Contact Center Solutions Co

5.0 May 10, 2024

Their professionalism and effectiveness are sure to add value to any business. We also have a 15 min weekly call to discuss progress. The thorough notes and updates we receive are impressive.
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Call Center Services for Software Company

5.0 Feb 6, 2023

What's the most unique about this organization is their level of hand-holding and professionalism. Fiona kept us in the loop at all times. I have hired many companies that do what they do, but since finding VSL have never changed.
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Sales Outsourcing for Telecommunications Company

5.0 Feb 19, 2026

What we appreciate most is Virtual Sales Limited's professionalism, responsiveness, and ability to become fluent in our technology much faster than expected. Their communication is always prompt, their reporting is transparent, and their commitment to helping us hit our growth targets is evident in every interaction.
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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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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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England (9) United States (4) Bulgaria (1) Croatia (1) France (1)

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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
Recent feedback for Valoris Center reflects a strong positive sentiment, highlighting their effective project management and timely delivery. A client from BRT SPA praised their team for achieving customer experience goals, noting impressive reaction times and a solid understanding of customer needs. The client emphasized the great cultural fit and value for cost, with no immediate areas for improvement identified. Overall, Valoris Center is commended for their professionalism and responsiveness.
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Industry Experience

Valoris Center has demonstrated expertise across several industries, including Financial Services, Retail, eCommerce, Automotive, and Business Services. Clients commend their proactive approach, customer-centric solutions, high responsiveness, and impressive performance metrics, such as customer satisfaction rates exceeding 90%. The strong alignment of values and flexibility to adapt to industry-specific needs highlight their strengths, making them a suitable partner for projects in these sectors.
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Other Industry Financial services eCommerce Business services Arts, entertainment & music Automotive Consumer Products Retail Other industries

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Average Project Cost Breakdown

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

What Clients Have Said
Clients consistently highlight Valoris Center's strong value for money, noting that their pricing aligns well with budget expectations. For example, one client mentioned selecting Valoris due to its 'good value for cost' and 'pricing fit our budget.' Another stated that Valoris offered a 'price-performance ratio in line with our expectations.' Overall, the sentiment reflects satisfaction with the services provided relative to the costs incurred, reinforcing their reputation as a cost-effective partner.
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Romania (8) Austria (1) Croatia (1) Italy (1) Russia (1)

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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.

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3 of 4 reviews are 5 stars

Less than $10,000 avg. project cost

Reviewed 4 times in the past 6 months
In the last six months, A-SALES AB has received mixed feedback from clients. While one client praised their effectiveness in generating over 30 qualified calls, another expressed significant dissatisfaction, reporting zero leads from a $2,700 investment and highlighting poor communication and accountability. Overall sentiment reflects a division, with some clients appreciating their results and responsiveness, while others criticize delays and unmet expectations.
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Industry Experience

A-SALES AB has demonstrated expertise across various industries, including Information Technology, Business Services, Advertising & Marketing, and Healthcare. Feedback highlights their strengths in lead generation, appointment setting, and market penetration strategies. Clients across sectors report significant improvements in qualified meetings and pipeline growth. Overall, sentiment is positive, particularly within IT and Business Services, where their tailored approaches and responsive project management have been notably effective.
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Construction Consumer Products Government Manufacturing Financial services Education Healthcare Software Supply Chain, Logistics, and Transport Human Resources Advertising & marketing IT Services Consulting Business services Information technology

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Average Project Cost Breakdown

Less than $10,000 (20) $10,000 to $49,000 (14)

What Clients Have Said
Clients consistently perceive A-SALES AB as offering excellent value for money, with many noting their competitive pricing and effective results. One client highlighted that they chose A-SALES due to their 'good value for cost' and 'high ratings'. Another mentioned they received '21 meetings with furniture manufacturers' after investing less than $10,000. Overall, the sentiment is positive, with clients appreciating the return on investment and quality of leads generated.
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United States (15) Sweden (10) Norway (7) India (4) England (3) Finland (2) Canada (1) Germany (1) France (1) Japan (1) Netherlands (1) Australia (1) Philippines (1) Poland (1) Singapore (1) Belgium (1) United Arab Emirates (1) Armenia (1) Austria (1)

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InHouse Contact Center and Information Technology

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Santo Amaro, Brazil

Services provided

100% Call Center Services

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

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

São Paulo, Brazil

Services provided

100% Call Center Services

Established in 2007, AHEAD Infraestrutura para Contact Centers is a midsize answering service company. Their services include Call Center Services.
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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 Contact Center Services, particularly focusing on outbound call center and appointment scheduling. The reviews reflect an overwhelmingly positive sentiment, with clients highlighting their professionalism, consistency, and ability to deliver qualified leads and appointments. Approximately 90% of the reviewers noted improved sales pipelines and conversion rates, emphasizing their effective telephonic support and customer service center capabilities.

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Reviews mention Flexible
The feedback regarding the flexibility of Appointment Setter Online is overwhelmingly positive. Clients consistently highlight the team's responsiveness and adaptability to changing requirements. For instance, one client noted their quick adjustments in messaging and scheduling, while another emphasized the team's willingness to implement modifications in their processes. Overall, the sentiment reflects a strong appreciation for their flexibility, which has facilitated smoother collaboration and enhanced project outcomes.

Lead Generation for Early Education Company

5.0 Dec 6, 2025

They were responsive, flexible, and proactive. If we needed changes in messaging, target niche, or qualification criteria, they adapted quickly. Their team stayed accessible and acted on feedback without delays.
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Appointment Setting for Appliance Repair Company

5.0 Dec 6, 2025

They were responsive and adaptive: when we requested certain modifications (e.g. adding custom fields in the intake form to capture appliance model/serial number, or adjusting our scheduling rules), they implemented those changes promptly. Their availability and flexibility made collaboration easy and efficient.
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Call Center Services for Online Education Company

5.0 Dec 16, 2025

They were responsive, flexible, and open to feedback. Whenever we needed adjustments in messaging or scheduling, their team responded quickly and aligned with our requirements.
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Call Center Services for Nonprofit Organization

5.0 Dec 17, 2025

They were responsive, flexible, and professional. Whenever we needed adjustments in messaging or scheduling, their team adapted quickly and worked to meet our expectations.
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7 of 7 reviews are 5 stars

2 new reviews for Call Center Services services

$10,000 – $49,000 avg. project cost

Reviewed 7 times in the past 6 months
In the past six months, clients have consistently praised Appointment Setter Online for their professionalism, effective communication, and ability to generate high-quality leads. Notable feedback includes a significant increase in scheduled appointments and improved lead qualification, as reported by clients from diverse industries. One client highlighted their persistence in follow-ups without being aggressive, while another appreciated their structured project management. Overall, the sentiment is overwhelmingly positive, with suggestions for more detailed performance analytics being a minor point of improvement.
Read 7 Recent Reviews

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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.
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

Reviews mention Puts the customer first

Digital Marketing, SMM & SEO for Software Solutions Company

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Reviews mention Easy to work with

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Reviews mention Receptive

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Reviews mention Proactive

Customer Support for Smart Home Climate Control Brand

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Reviews mention Innovative

Customer Service BPO for Remote Monitoring Company

Call Center Services for E-Commerce Company

six eleven global services is very responsive

Reviews mention Efficient

Back Office & Customer Service for App Optimization Agency

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What Clients Have Said

Combine Global Recruitment is very responsive

Reviews mention Professional

B2B Lead Generation for Contact Center Solutions Co

Call Center Services for Software Company

Sales Outsourcing for Telecommunications Company

Lead Generation Services for SaaS Company

Virtual Sales Limited is very responsive

Reviewed 1 time in the past 6 months

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What Clients Have Said

Reviewed 4 times in the past 6 months

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Reviews mention Flexible

Lead Generation for Early Education Company

Appointment Setting for Appliance Repair Company

Call Center Services for Online Education Company

Call Center Services for Nonprofit Organization