Top 100 Call Center Services
The Best of April 2026
Outsourced call center services refer to handling incoming and outgoing calls on behalf of businesses to support functions such as customer service, lead generation, and appointment setting. Call center services are crucial to ensuring customers have a positive experience with their business before, during, and after purchasing. Investing in quality call center solutions is important for timely responses to key stakeholders, gathering feedback, and understanding customer preferences.
Call centers are a type of BPO that focuses on training and hiring dedicated agents who can handle customer inquiries, resolve customer issues and complaints, and provide technical support. They contribute to businesses' productivity and long-term success, allowing them to focus on core functions while managing customers professionally and efficiently.
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List of the Best Voice Services Providers on the Market
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$1,000+250 - 999 employeesOrlando, FLRead More
Answering service company XACT was founded in 1998. Their midsize team is in Orlando, Florida and Unity, Maine. XACT focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Back Office Outsourcing, and more.
Industries
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$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
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5671$5,000+10 - 49 employeesPune, IndiaUrbanSpell is a social media marketing firm. Their team is headquartered in Pune, India. The agency specializes in Social Media Marketing and Search Engine Optimization.Read More
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5672Undisclosed10 - 49 employeesMadisonpublishers is a public relations firm. Located in Hesperia, California, the company was launched in 2025. Their services include Public Relations and Digital Strategy.Read More
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5673$5,000+10 - 49 employeesGIRRAFFE SEO, a Content Marketing company, is in Baton Rouge, Louisiana. They focus on Content Marketing and Search Engine Optimization and were launched in 2025.Read More
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5674Undisclosed10 - 49 employeesMountain View, CASonify is a small IT managed services company headquartered in Mountain View, California. The team specializes in IT managed services and Call Center Services.Read More
Industries
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5675$1,000+10 - 49 employeesBased in Alexandria, Egypt, Instant Hires is a Sales Outsourcing company. Their services include Sales Outsourcing and HR Outsourcing.Read More
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5676$1,000+10 - 49 employeesIT strategy consulting company Unified Outsourcing Services Pvt Ltd was launched in 2024. The team provides IT strategy consulting and Web Development.Read More
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5677$10,000+10 - 49 employeesAnswering service company InboxCrew was launched in 2025. The team specializes in Call Center Services and Back Office Outsourcing and is based in Noida, India.Read More
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5678$1,000+10 - 49 employeesVirtuTask, a phone answering service, was founded in 2023. Based in Malolos, Philippines, the team specializes in Call Center Services and Back Office Outsourcing.Read More
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5679$5,000+10 - 49 employeesSaulx-les-Chartreux, FrancePartners- IT VD is a phone answering service. The small Saulx-les-Chartreux, France-based team specializes in Call Center Services and Web Design. The agency was launched in 2024.Read More
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5680Undisclosed10 - 49 employeesHoddz Trends LLC is a social media marketing agency. The team is in Little Rock, Arkansas, and their services include Social Media Marketing and cloud consulting & SI.Read More
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5681$5,000+10 - 49 employeesOutsource Pros is a Customer Service Outsourcing company. They are in North Richland Hills, Texas, and their services include Customer Service Outsourcing and Back Office Outsourcing.Read More
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5682Undisclosed10 - 49 employeesSwiftOpz, a call center, is headquartered in Bengaluru, India. They offer Call Center Services and Back Office Outsourcing and were launched in 2025.Read More
Industries
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5683$1,000+10 - 49 employeesMSS AGENCY is a Business Consulting company. They were founded in 2021, and their services include Business Consulting and Sales Outsourcing.Read More
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5684Undisclosed10 - 49 employeesProvox Global is a columbus, Ohio-based telephone answering service. Their services include Call Center Services and Back Office Outsourcing.Read More
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5685$5,000+10 - 49 employeesSymetris Social Marketing, a social media marketing firm, was launched in 2021. Located in Dubai, United Arab Emirates, the team provides Social Media Marketing and Content Marketing.Read More
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5686Undisclosed10 - 49 employeesAI firm Hostcomm provides Artificial Intelligence and Call Center Services. They were established in 2004.Read More
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5687Undisclosed10 - 49 employeesVisveshwara Nagar, IndiaIVYLYN BELIEVE BUILD is a Customer Service Outsourcing company launched in 2025. The team focuses on Customer Service Outsourcing and Sales Outsourcing and is in Visveshwara Nagar, India.Read More
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5688$1,000+10 - 49 employeesFounded in 2020, Capstar Solutions is an unified communications consulting & SI company. The firm focuses on unified communications consulting & SI and Cybersecurity.Read More
Industries
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5689$1,000+10 - 49 employeesColossal Global Solutions is a Customer Service Outsourcing company established in 2025. The team offers Customer Service Outsourcing and Call Center Services and is based in Hyderabad, India.Read More
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5690$5,000+10 - 49 employeesLondon, EnglandThaver, a Business Consulting company, was launched in 2025. The company offers Business Consulting and Corporate Training & Coaching, and is small.Read More
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5691$1,000+10 - 49 employeesGCON is a Customer Service Outsourcing company. Launched in 2025, the company specializes in Customer Service Outsourcing and Call Center Services.Read More
Industries
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5692Undisclosed10 - 49 employeesBack Office Outsourcing company Vyoma Agency was founded in 2025. The small team specializes in Back Office Outsourcing and Customer Service Outsourcing.Read More
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5693Undisclosed10 - 49 employeesZatraders is a Sales Outsourcing company. Founded in 2015, their team provides Sales Outsourcing and Customer Service Outsourcing.Read More
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5694Undisclosed10 - 49 employeesClinton TWP, MIMedivantek Medical Billing Services, a small Customer Service Outsourcing company, is located in Clinton TWP, Michigan. The team provides Customer Service Outsourcing and Back Office Outsourcing.Read More
Industries
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5695$5,000+10 - 49 employeesFounded in 2026, Ajentra is a Sales Outsourcing company. Their services include Sales Outsourcing and Finance & Accounting Outsourcing (FAO).Read More
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5696Undisclosed10 - 49 employeesAIDEC BPO Services is a Customer Service Outsourcing company. The agency is headquartered in Accra, Ghana. Their services include Customer Service Outsourcing and Sales Outsourcing.Read More
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5697$5,000+50 - 249 employeesKansas City, MOLaunched in 2001, ER Marketing is a midsize SEO company located in Kansas City, Missouri and. Their team specializes in Search Engine Optimization and Web Design.Read More
Industries
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5698$5,000+10 - 49 employeesGurugram, IndiaEstablished in 2019, Xcentasia is a Back Office Outsourcing company. Their team specializes in Back Office Outsourcing and Market Research.Read More
Industries
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5699$10,000+10 - 49 employeesClosergod is an Email Marketing company. They were launched in 2020, and their services include Email Marketing and Demand Generation Marketing.Read More
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5700$5,000+2 - 9 employeesSan Antonio, TXViper Web Solutions, a Mobile & App Marketing company, was founded in 2008. Headquartered in San Antonio, Texas, the team specializes in Mobile & App Marketing and Call Center Services.Read More
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Alamo City Engineering Services
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