Top 100 Call Center Services
The Best of August 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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3031Undisclosed10 - 49 employeesOverseas Experts, a social media marketing agency, specialize in Social Media Marketing and Email Marketing. They were established in 2025.Read More
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3032Undisclosed10 - 49 employeesLeadMark Technology is a Sales Outsourcing company launched in 2024. Their services include Sales Outsourcing and Email Marketing.Read More
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3033$1,000+10 - 49 employeesTelephone answering service BizUnno was launched in 2025. The small team specializes in Call Center Services and Business Consulting.Read More
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3034$1,000+10 - 49 employeesBălți, MoldovaSolidusGrid is a small Back Office Outsourcing company headquartered in Bălți, Moldova. The team offers Back Office Outsourcing and Sales Outsourcing.Read More
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3035$1,000+10 - 49 employeesSialkot, PakistanLegs Comfy is a Sales Outsourcing company launched in 2024. The firm focuses on Sales Outsourcing and Sports Marketing, and is small.Read More
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3036$10,000+10 - 49 employeesMünchen, GermanyAICallAnalysis is a München, Germany-based telephone answering service. Their services include Call Center Services and Digital Strategy.Read More
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3037$5,000+10 - 49 employeesKarachi, PakistanSCORPIONS Corporation is an answering service company. Founded in 2009, the agency specializes in Call Center Services and Air Freight.Read More
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3038$1,000+10 - 49 employeesCall center service Aelite Business Consultancy was founded in 2023. The firm specializes in Call Center Services and Back Office Outsourcing, and is small.Read More
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3039$5,000+10 - 49 employeesSales Outsourcing company Venturiza LLC is in Cheyenne, Wyoming. Their services include Sales Outsourcing and Account-Based Marketing.Read More
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3040Undisclosed10 - 49 employeesSmooth Operators is a Customer Service Outsourcing company. They are in Giza, Egypt and have small team. They offer Customer Service Outsourcing and Sales Outsourcing.Read More
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3041$1,000+10 - 49 employeesSheridan, WYBack Office Outsourcing company 360 Operations is headquartered in Sheridan, Wyoming. They provide Back Office Outsourcing and Customer Service Outsourcing.Read More
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3042$1,000+10 - 49 employeesHeadquartered in Rabat, Morocco, ORVEV is a Customer Service Outsourcing company. They provide Customer Service Outsourcing and Sales Outsourcing and were founded in 2026.Read More
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3043$1,000+10 - 49 employeesNew York, NYEstablished in 2026, UnlimCall is an AI Agents company. The small team offers AI Agents and Sales Outsourcing.Read More
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3044Undisclosed10 - 49 employeesSan Francisco, CALocated in San Francisco, California and Miami, Florida, FlexOffers is an Affiliate Marketing company. They specialize in Affiliate Marketing and Sales Outsourcing and were founded in 2008.Read More
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3045Undisclosed50 - 249 employeesSaudia is a SEO company in Lahore, Pakistan. The midsize team specializes in Search Engine Optimization, Graphic Design, Video Production, Sales Outsourcing, and more. The firm was established in 2017.Read More
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3046Undisclosed50 - 249 employeesUndisclosedEstablished in 2006, T2Group is a telephone answering service. The team specializes in Call Center Services and Back Office Outsourcing and is based in.Read More
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3047Undisclosed50 - 249 employeesMadurai, IndiaEstablished in 1999, Elysium Technologies Private Limited is a business intelligence company. The agency provides BI & big data consulting & SI and E-Commerce Development.Read More
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3048$1,000+50 - 249 employeesEnvigado, ColombiaRecruiting company Tandem Bridge Talent was launched in 2024. The team focuses on Recruiting and Call Center Services and is based in Envigado, Colombia.Read More
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3049$5,000+50 - 249 employeesL'viv, UkraineBased in L'viv, Ukraine, Gravix Solutions is a midsize Business Consulting company. Their services include Business Consulting and Finance & Accounting Outsourcing (FAO).Read More
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3050Undisclosed1,000 - 9,999 employeesLondon, EnglandColt Technology Services, an other IT consulting and SI company, is located in London, England and Amsterdam, Netherlands. Their services include other IT consulting and SI and Call Center Services.Read More
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3051$1,000+10 - 49 employeesKanguruTech PTY LTD is a small cloud consulting & SI company. They offer cloud consulting & SI, Web Development, Call Center Services, DevOps Managed Services, and more and were launched in 2025. The agency is headquartered in Glenroy, Australia.Read More
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3052$5,000+2 - 9 employeesEdmonton, CanadaKroll Communications Inc. Is a Market Research company based in Edmonton, Canada. They provide Market Research and Direct Marketing and were launched in 2017.Read More
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3053$10,000+50 - 249 employeesKolkata, IndiaVirtualMens is a Kolkata, India-based answering service. They offer Call Center Services and Search Engine Optimization and were established in 2016.Read More
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3054$1,000+10 - 49 employeesToronto, CanadaCall Centre Systems Inc. Is a Commercial Brokerage Services company. Founded in 1989, the company is in Toronto, Canada. Their services include Commercial Brokerage Services and Call Center Services.Read More
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3055Undisclosed10 - 49 employeesCentral Offshoring, a call center service, is in North Sydney, Australia. They focus on Call Center Services and Back Office Outsourcing.Read More
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3056$1,000+10 - 49 employeesShepshed, EnglandEstablished in 2013, We Are Team Rocket is a Demand Generation Marketing company. The team focuses on Demand Generation Marketing and Sales Outsourcing.Read More
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3057$5,000+10 - 49 employeesGenova, ItalyACQUISIZIONE CLIENTI B2B, a Demand Generation Marketing company, provides Demand Generation Marketing and Sales Outsourcing. The firm is in Genova, Italy and Castagnaro, Italy.Read More
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3058$5,000+10 - 49 employeesCincinnati, OHSwivel is a Content Marketing company. Based in Cincinnati, Ohio, the agency was founded in 2018. Their team offers Content Marketing and Sales Outsourcing.Read More
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3059$1,000+10 - 49 employeesGjilan, KosovoSD IT Services, a Customer Service Outsourcing company, is located in Gjilan, Kosovo and Pristina, Kosovo. Founded in 2022, the team focuses on Customer Service Outsourcing and Call Center Services.Read More
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3060$1,000+10 - 49 employeesHeadquartered in Orlando, Florida, Solcertain is a Sales Outsourcing company. They focus on Sales Outsourcing and Fractional CMO Services.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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