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
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
Industries
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1951Undisclosed2 - 9 employeesKOWLOON, Hong KongSales Outsourcing company Zen Diamonds Limited offers Sales Outsourcing. They are based in KOWLOON, Hong Kong.Read More
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1952$1,000+10 - 49 employeesCity of Santa Rosa, PhilippinesCONNECTRAM PH, a Sales Outsourcing company, was launched in 2014. The agency provides Sales Outsourcing and Call Center Services.Read More
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1953$1,000+50 - 249 employeesEONEXUS SUPPORT PRIVATE LIMITED is a Patna, India-based call center. The team focuses on Call Center Services and Back Office Outsourcing.Read More
Clients
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1954$1,000+10 - 49 employeesT'bilisi, GeorgiaSmartconnectgeorgia is an answering service company. They provide Call Center Services and Customer Service Outsourcing and were established in 2024. The company is located in T'bilisi, Georgia.Read More
Industries
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1955$50,000+50 - 249 employeesHyderabad, IndiaMidsize phone answering service Dialforce.in, is based in Hyderabad, India and Hyderabad, India. Their services include Call Center Services.Read More
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1956$1,000+10 - 49 employeesSales Outsourcing company Verolink Solutions is in Pristina, Kosovo. Their services include Sales Outsourcing and Back Office Outsourcing.Read More
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1957Undisclosed50 - 249 employeesCape Town, South AfricaTrilogy BPO is an answering service company established in 2024. The firm focuses on Call Center Services and Artificial Intelligence.Read More
Industries
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1958Undisclosed2 - 9 employeesLocated in Hafnarfjörður, Iceland, Háaberg 29 is a small Sales Outsourcing company. The team focuses on Sales Outsourcing.Read More
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1959Undisclosed50 - 249 employeesScale - Up Philippines is a midsize phone answering service launched in 2024. Their services include Call Center Services and Social Media Marketing.Read More
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1960$10,000+10 - 49 employeesSingapore, SingaporeGroWise, a Sales Outsourcing company, is based in Singapore, Singapore. They specialize in Sales Outsourcing and Business Consulting.Read More
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1961$5,000+2 - 9 employees1 Hour Recruitment is a Sales Outsourcing company. Their small team is headquartered in London, England and New York, New York and specializes in Sales Outsourcing. The firm was launched in 2021.Read More
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1962Undisclosed2 - 9 employeesBased in austin, Texas, Capital City Flooring Austin is a Sales Outsourcing company. Their services include Sales Outsourcing.Read More
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1963$1,000+2 - 9 employeesSylhet, BangladeshVeltrices, a phone answering service, was established in 2025. The company specializes in Call Center Services and Sales Outsourcing, and is small.Read More
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1964$5,000+50 - 249 employeesUpturnly is a Sales Outsourcing company. The team offers Sales Outsourcing and Business Consulting and is based in Udaipur, India.Read More
Industries
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1965$5,000+10 - 49 employeesMiami, FLPeak Intent is a Sales Outsourcing company in Miami, Florida. They offer Sales Outsourcing and Demand Generation Marketing.Read More
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1966Undisclosed2 - 9 employeesSanand, IndiaFounded in 2000, Cremon Cosmetics Pvt Ltd is a small Sanand, India-based Sales Outsourcing company. Their services include Sales Outsourcing.Read More
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1967Undisclosed10 - 49 employeesSheridan, WYZolo Technologies is a small telephone answering service founded in 2018. Their services include Call Center Services.Read More
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1968$1,000+2 - 9 employeesLead For Movers is a Kingston, New York-based Sales Outsourcing company. The team focuses on Sales Outsourcing and AI Agents.Read More
Industries
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1969$5,000+50 - 249 employeesCall center company Voxera Solutions was established in 2025. The company focuses on Call Center Services and Back Office Outsourcing, and is midsize.Read More
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1970$5,000+10 - 49 employeesLondon, EnglandWin Labs is a London, England-based Sales Outsourcing company. The team specializes in Sales Outsourcing and Business Consulting.Read More
Industries
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1971$1,000+2 - 9 employeesOutcend is a Sales Outsourcing company. They specialize in Sales Outsourcing and Marketing Strategy and were established in 2026. The company is headquartered in New York, New York.Read More
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1972$1,000+50 - 249 employeesCall center service Denavo Health was established in 2024. Located in Sahibzada Ajit Singh Nagar, India, the team specializes in Call Center Services and Back Office Outsourcing.Read More
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1973$1,000+250 - 999 employeesSpeed Outsourcing Solutions is a midsize telephone answering service based in London, England. The team offers Call Center Services and Back Office Outsourcing.Read More
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1974$1,000+2 - 9 employeesGenève, SwitzerlandSmartlead, a call center service, was founded in 2023. The small team offers Call Center Services and Sales Outsourcing.Read More
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1975$1,000+50 - 249 employeesismailia, EgyptTelephone answering service ReachFlexHub was launched in 2023. The firm offers Call Center Services and Sales Outsourcing.Read More
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1976Undisclosed2 - 9 employeesNaka, IndiaTalkvia is a call center. Based in Naka, India, their small team offers Call Center Services. The agency was founded in 2025.Read More
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1977$1,000+2 - 9 employeesWhitby, CanadaSales Outsourcing company Apex Meeting Solutions is located in Whitby, Canada. Their services include Sales Outsourcing and Call Center Services.Read More
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1978$1,000+250 - 999 employeesLititz, PAFounded in 2020, MM Solutions INC is a telephone answering service. The team provides Call Center Services and Customer Service Outsourcing.Read More
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1979$1,000+10 - 49 employeesEdgware, EnglandCoenzio is a Sales Outsourcing company. The team is in Edgware, England, and their services include Sales Outsourcing and Email Marketing.Read More
Industries
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1980$250,000+10 - 49 employeesAhmedabad, IndiaLaunched in 2024, Callex Solutions is a call center service. The team focuses on Call Center Services.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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