Top 100 Call Center Services
The Best of June 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, FLXACT is an Orlando, Florida-based answering service. The company offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing and is midsize.The company was founded in 1998.Read More
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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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2401$10,000+10 - 49 employeesMünchen, GermanyEstablished in 2025, KALLEXA is a small call center company in Ferizaj, Kosovo and München, Germany. Their team focuses on Call Center Services and Back Office Outsourcing.Read More
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2402$1,000+10 - 49 employeesOnDutyOps LLC is a call center founded in 2025. Located in Claymont, Delaware, the team focuses on Call Center Services and Back Office Outsourcing.Read More
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2403$5,000+10 - 49 employeesCall center service Appointment Catalyst LLC provides Call Center Services and Back Office Outsourcing. They were launched in 2025.Read More
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2404$1,000+10 - 49 employeesIn Johannesburg, South Africa, Sales Dynamix is a small telephone answering service. Their services include Call Center Services and Back Office Outsourcing.Read More
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2405$1,000+10 - 49 employeesSolvdIT Solutions is a call center established in 2020. The agency specializes in Call Center Services and Back Office Outsourcing, and is small.Read More
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2406$1,000+10 - 49 employeesIloilo City, PhilippinesSmall Back Office Outsourcing company Reytech Telco Services, is in Iloilo City, Philippines. Their services include Back Office Outsourcing and Sales Outsourcing.Read More
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2407Undisclosed10 - 49 employeesSynapse Agents LLC is an answering service company. They focus on Call Center Services and Back Office Outsourcing and are in Edgewater, Florida.Read More
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2408$50,000+10 - 49 employeesIloilo City, PhilippinesTelephone answering service Leveredge Solutions is located in Iloilo City, Philippines. They specialize in Call Center Services and Back Office Outsourcing.Read More
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2409Undisclosed10 - 49 employeesDATA NOMIA PRIVATE LIMITED is a Sales Outsourcing company. The team provides Sales Outsourcing and IT strategy consulting, and the agency is located in Surat, India.Read More
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2410$1,000+10 - 49 employeesLaunched in 2023, Wimi Agency is an answering service and Customer Service Outsourcing company. The team offers Call Center Services and Customer Service Outsourcing.Read More
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2411$1,000+10 - 49 employeesFounded in 2025, FunnlQ, a small Sales Outsourcing company, is in Bengaluru, India. Their services include Sales Outsourcing and Email Marketing.Read More
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2412$1,000+10 - 49 employeesCincinnati, OHSaztech Solutions is an answering service company. They are based in Cincinnati, Ohio, and their services include Call Center Services and Back Office Outsourcing.Read More
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2413$1,000+10 - 49 employeesAviah Intelligence is a small uMhlanga, South Africa-based Back Office Outsourcing company. Their services include Back Office Outsourcing and Call Center Services.Read More
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2414$1,000+10 - 49 employeesLocated in Lahore, Pakistan, Selloserve is a Sales Outsourcing company. The team provides Sales Outsourcing and Customer Service Outsourcing.Read More
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2415$5,000+10 - 49 employeesVadodara, IndiaRJ TECH INFOTECH is a phone answering service launched in 2023. The team specializes in Call Center Services and Web Design and is based in Vadodara, India.Read More
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2416$1,000+10 - 49 employeesSeattle, WANirvaana CS is a small Back Office Outsourcing and answering service. Established in 2023, the team provides Back Office Outsourcing and Call Center Services.Read More
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2417Undisclosed10 - 49 employeesNext Lift Forks is a Sales Outsourcing and Product Marketing company. The Winslow Township, New Jersey-based firm was launched in 2011. Their services include Sales Outsourcing and Product Marketing.Read More
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2418$5,000+10 - 49 employeesFrankfurt am Main, GermanyLumory is a small Sales Outsourcing company. They focus on Sales Outsourcing and Marketing Strategy and were established in 2025.Read More
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2419$1,000+10 - 49 employeesSmall Back Office Outsourcing and answering service StotteWorks, is based in Houston, Texas and Lusaka, Zambia. The team offers Back Office Outsourcing and Call Center Services.Read More
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2420$1,000+10 - 49 employeesDar-el-Beida, MoroccoAmana Connect is a small Customer Service Outsourcing company located in Dar-el-Beida, Morocco. Their services include Customer Service Outsourcing and Call Center Services.Read More
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2421Undisclosed10 - 49 employeesTalkvia Global is a call center service. The small Ambernath, India-based team specializes in Call Center Services and Back Office Outsourcing. The agency was launched in 2025.Read More
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2422$1,000+10 - 49 employeesIdris Tech is a phone answering service. Their small team is based in Islamabad, Pakistan. Their services include Call Center Services and Direct Marketing.Read More
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2423Undisclosed10 - 49 employeesEast Building Group is a Jiaxing city, China-based Product Marketing and Sales Outsourcing company. The team focuses on Product Marketing and Sales Outsourcing.Read More
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2424$1,000+250 - 999 employeesRead More
Founded in 2019, Sirius Support is a customer service outsourcing company. They are located in Wilmington, Delaware and have a midsize team. The agency offers customer service outsourcing and call center services.
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2425Undisclosed250 - 999 employeesNew York, NYEstablished in 2011, Lexvia Inc. Is a midsize Back Office Outsourcing company. Their services include Back Office Outsourcing and Customer Service Outsourcing.Read More
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2426$1,000+50 - 249 employeesMumbai, IndiaRead More
Based in Mumbai, India, Exactus is a legal process outsourcing services firm founded in 1995. The team of 34 specializes in non-voice BPO/back office services, voice service, and translation. They serve clients in the legal industry.
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2427$1,000+10 - 49 employeesHudson, OHBased in Hudson, Ohio, Corporate Technologies Group is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI.Read More
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2428Undisclosed50 - 249 employeesWinBizSolutionsIndia is a midsize graphic design agency located in Fort Myers, Florida. Their services include Graphic Design and Call Center Services.Read More
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2429Undisclosed50 - 249 employeesTampa, FLFounded in 2023, The Daft Company, LLC is a Sales Outsourcing company. Headquartered in Tampa, Florida, the team focuses on Sales Outsourcing and Staffing.Read More
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2430$1,000+2 - 9 employeesFounded in 2024, NexCoreBPO is a Customer Service Outsourcing company. The agency offers Customer Service Outsourcing and Back Office Outsourcing.Read More
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Connect with a Call Centers that received the most new reviews in the past 12 months.
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