Top 100 Call Center Services
The Best of October 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, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.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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2221$1,000+10 - 49 employeesStaten Island, NYCall center service and Sales Outsourcing company LeadQuarters was launched in 2026. The agency specializes in Call Center Services and Sales Outsourcing.Read More
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2222Undisclosed2 - 9 employeesSales OS is a Sales Outsourcing company. Established in 2026, the agency is in Dubai, United Arab Emirates. Their team specializes in Sales Outsourcing and UX/UI Design.Read More
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2223$10,000+50 - 249 employeesTijuana, MexicoTelephone answering service Cybercity Call Center was established in 2021. The firm offers Call Center Services and Back Office Outsourcing.Read More
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2224$1,000+10 - 49 employeesCasper, WYNORTH SYNTR LLC is a telephone answering service. Based in Casper, Wyoming, the team specializes in Call Center Services.Read More
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2225$5,000+2 - 9 employeesSales Outsourcing company PréMatch was launched in 2021. The team focuses on Sales Outsourcing and Demand Generation Marketing and is in Curitiba, Brazil.Read More
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2226$1,000+50 - 249 employeesTEKS SOLUTIONS LLC is a Back Office Outsourcing company in Arlington, Texas. Their services include Back Office Outsourcing and Call Center Services.Read More
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2227$1,000+2 - 9 employeesOutboundwell is a Sales Outsourcing company. Their small team is based in Chicago, Illinois. Their services include Sales Outsourcing and Email Marketing.Read More
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2228$1,000+10 - 49 employeesNorthking Connect Services LLP is a phone answering service. The Kanpur, India-based agency was established in 2023. Their team provides Call Center Services and Customer Service Outsourcing.Read More
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2229Undisclosed2 - 9 employeesFounded in 2026, Heron GTM is a Sales Outsourcing company. Located in Sevilla, Spain, the team provides Sales Outsourcing and Email Marketing.Read More
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2230$1,000+10 - 49 employeesLeadsUp Call Center, a call center company, is based in Sheridan, Wyoming. They offer Call Center Services and Sales Outsourcing.Read More
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2231$5,000+50 - 249 employeesLaunched in 2025, Mayrirensu is a call center company. The midsize team offers Call Center Services and Customer Service Outsourcing.Read More
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2232$1,000+2 - 9 employeesStellacore is a Sales Outsourcing company. Located in Tashkent, Uzbekistan, their small team offers Sales Outsourcing and Customer Service Outsourcing. The firm was established in 2026.Read More
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2233$10,000+10 - 49 employeesHuntersville, NCLaunched in 2025, Revryze is a small Huntersville, North Carolina-based Sales Outsourcing company. Their team specializes in Sales Outsourcing and Call Center Services.Read More
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2234Undisclosed10 - 49 employeesBankstown Pest Control Pro, NSW is a Sales Outsourcing company. Founded in 2025, the company focuses on Sales Outsourcing.Read More
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2235$1,000+2 - 9 employeesEstablished in 2026, Zenvicore Solutions is a small call center company. Their team specializes in Call Center Services and Customer Service Outsourcing.Read More
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2236Undisclosed10 - 49 employeesNew Delhi, IndiaFounded in 2020, SS IT Solutions is a small New Delhi, India-based call center service. Their services include Call Center Services and Back Office Outsourcing.Read More
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2237$1,000+50 - 249 employeesTanis is an answering service. Headquartered in Alexandria, Egypt and Alexandria, Egypt, the agency was founded in 2019. Their services include Call Center Services and Customer Service Outsourcing.Read More
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2238$5,000+2 - 9 employeesNext Reply is a Sales Outsourcing company. Located in Vancouver, Washington, the company was launched in 2026. Their team provides Sales Outsourcing.Read More
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2239$250,000+50 - 249 employeesSiam Valley Grain Export Co., Ltd. Is a Sales Outsourcing company. The midsize Bang Kaeo, Thailand-based team provides Sales Outsourcing and Product Marketing. The agency was founded in 2001.Read More
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2240$1,000+10 - 49 employeesHeadquartered in Atlanta, Georgia, Revfinery is a small Sales Outsourcing company. Their services include Sales Outsourcing and Business Consulting.Read More
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2241$1,000+2 - 9 employeesChevrières, FranceReachUP is a Sales Outsourcing company. Their small team of employees is headquartered in Chevrières, France. Their team provides Sales Outsourcing and Email Marketing.Read More
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2242$1,000+2 - 9 employeesGiza, al-Jizah, Egypt, EgyptFounded in 2026, Northbridge Contact is a telephone answering service. The agency specializes in Call Center Services and Sales Outsourcing, and is small.Read More
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2243Undisclosed250 - 999 employeesCairo, EgyptNEXperience is an answering service company. Established in 2022, the company is headquartered in Cairo, Egypt. Their services include Call Center Services and Customer Service Outsourcing.Read More
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2244Undisclosed10 - 49 employeesLeadtraffic GmbH is a Sales Outsourcing company. Their small team is based in Zürich, Switzerland. Their services include Sales Outsourcing and Call Center Services.Read More
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2245Undisclosed2 - 9 employeesSixN Growth is a Sales Outsourcing company. They were founded in 2026 and offer Sales Outsourcing and Email Marketing.Read More
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2246Undisclosed10 - 49 employeesLaunched in 2020, Repserve is a Sales Outsourcing company. Their team provides Sales Outsourcing and Back Office Outsourcing.Read More
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2247$1,000+Freelancer employeesCumberland, WIAnswerWorks is a Cumberland, Wisconsin-based answering service. They offer Call Center Services and were launched in 2026.Read More
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2248Undisclosed2 - 9 employeesLaunched in 2024, NoBuSales is a small València, Spain-based Sales Outsourcing company. Their team provides Sales Outsourcing.Read More
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2249$1,000+2 - 9 employeesJAC Sales is a Sales Outsourcing company established in 2026. Their team offers Sales Outsourcing.Read More
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2250$10,000+10 - 49 employeesKalispell, MTUptura LLC is a Kalispell, Montana-based telephone answering service. They specialize in Call Center Services and Customer Service Outsourcing and were established in 2025.Read More
Industries
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Connect with a Call Centers that received the most new reviews in the past 12 months.
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