Top 100 Call Center Services
The Best of December 2025
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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$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.
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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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1921Undisclosed250 - 999 employeesWien, AustriaUnited Call Centers is a Customer Service Outsourcing company. Founded in 1999, the team focuses on Customer Service Outsourcing and Sales Outsourcing. The agency is located in Wien, Austria.Read More
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1922Undisclosed2 - 9 employeesNewren Solution is a Customer Service Outsourcing company headquartered in West Park, Florida. Their services include Customer Service Outsourcing and Sales Outsourcing.Read More
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1923$25,000+10 - 49 employeesLübeck, GermanySmall Marketing Strategy and Sales Outsourcing company FluxGrowth, is based in Lübeck, Germany and Berlin, Germany. They specialize in Marketing Strategy and Sales Outsourcing and were established in 2014.Read More
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1924$1,000+10 - 49 employeesNorwich, EnglandCompare Telemarketing Agency, a content moderation services company, was founded in 2024. The firm focuses on content moderation services, data annotation services, advertising, branding, and more and has a small team. The firm is in Norwich, England.Read More
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1925Undisclosed10 - 49 employeesMinneapolis, MNLaunched in 2007, Techtonic Sales is a telephone answering service. Their team provides Call Center Services and Web Development.Read More
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1926Undisclosed10 - 49 employeesBengaluru, IndiaMarketboats Consulting, a Sales Outsourcing company, is in Wilmington, Delaware and Bengaluru, India. Their services include Sales Outsourcing and Market Research.Read More
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1927$1,000+10 - 49 employeesPottum, GermanyNetworking Partners is a Content Marketing and Sales Outsourcing company. They are located in Pottum, Germany and Nairobi, Kenya, and their services include Content Marketing and Sales Outsourcing.Read More
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1928$1,000+10 - 49 employeesFort Lauderdale, FLWitpbx.com is an unified communications consulting & SI and call center launched in 2013. The firm focuses on unified communications consulting & SI and Call Center Services.Read More
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1929Undisclosed10 - 49 employeesKolkata, IndiaOkay Call Centre Pvt Ltd. Is an answering service company and Customer Service Outsourcing company established in 1999. Their services include Call Center Services and Customer Service Outsourcing.Read More
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1930Undisclosed10 - 49 employeesDial Dynamic Ltd is a call center service. Established in 2023, the team specializes in Call Center Services and Back Office Outsourcing. The firm is in Dhaka, Bangladesh.Read More
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1931$1,000+10 - 49 employeesDover, DEIn Dover, Delaware and Lahore, Pakistan, Moldech is a Sales Outsourcing company. Their services include Sales Outsourcing and Back Office Outsourcing.Read More
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1932$50,000+10 - 49 employeesOUTSOURCING SOLUTIONS EUROPE is a call center company. Launched in 2004, the firm is headquartered in Paris, France. Their services include Call Center Services and Back Office Outsourcing.Read More
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1933$1,000+10 - 49 employeesOlathe, KSECS Virtual Support is a call center. The firm is located in Olathe, Kansas. Their services include Call Center Services and Back Office Outsourcing.Read More
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1934$1,000+10 - 49 employeesInfodatapark is a Sales Outsourcing company. Established in 2020, the team focuses on Sales Outsourcing and Business Consulting. The firm is based in Tirupur, India.Read More
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1935Undisclosed10 - 49 employeesSt. Petersburg, FLFounded in 2024, OnScript is a small answering service company. Their team focuses on Call Center Services and Artificial Intelligence.Read More
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1936Undisclosed10 - 49 employeesAnswering service company Almisource LTD was established in 2023. The small team provides Call Center Services and AI Agents.Read More
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1937$1,000+10 - 49 employeesMiami, FLMADLeadFlow is a small Miami, Florida-based Business Consulting and Sales Outsourcing company. The team offers Business Consulting and Sales Outsourcing.Read More
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1938Undisclosed10 - 49 employeesDubai, United Arab EmiratesWinmax Gulf is a Business Consulting and Sales Outsourcing company established in 2015. In Dubai, United Arab Emirates, the team provides Business Consulting and Sales Outsourcing.Read More
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1939$10,000+50 - 249 employees247 Virtual Solution is a call center service. The New York, New York-based team provides Call Center Services and Customer Service Outsourcing.Read More
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1940$5,000+250 - 999 employeesKingston, JamaicaBack Office Outsourcing company IntellectX Global Solutions Limited is in Kingston, Jamaica. Their services include Back Office Outsourcing and Customer Service Outsourcing.Read More
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1941$1,000+250 - 999 employeesSan Antonio, TXWorld Wide Outsource Solutions LLC, a call center company, offers Call Center Services and Custom Software Development. The firm is in San Antonio, Texas.Read More
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1942Undisclosed250 - 999 employeesTelesourcia is a Data Annotation Services company located in Antananarivo, Madagascar. They focus on Data Annotation Services and Call Center Services.Read More
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1943$1,000+250 - 999 employeesVirtual Worker Now is a midsize Montréal, Canada-based social media marketing agency. The team specializes in Social Media Marketing and Customer Service Outsourcing.Read More
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1944Undisclosed250 - 999 employeesAmory, MSSSR TECHVISION, a Back Office Outsourcing company, was launched in 2015. Headquartered in Amory, Mississippi, the team focuses on Back Office Outsourcing and Customer Service Outsourcing.Read More
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1945$1,000+250 - 999 employeesRead More
Harris BPO is an outsourcing agency based in Slough, UK. With close to 1,000 employees, the agency specializes in non-voice BPO and voice services, as well as HR consulting & outsourcing. Harris BPO mainly works with clients in government, consumer products & services, and energy & natural resources industries.
Clients
KelloggIndustries
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1946$1,000+50 - 249 employeesRawalpindi, PakistanLETS OUTSOURCE SMC PRIVATE LIMITED, a Back Office Outsourcing company, was established in 2019. The agency provides Back Office Outsourcing and Customer Service Outsourcing.Read More
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Royal CarsIndustries
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1947$1,000+10 - 49 employeesNew Delhi, IndiaReesources is a web development company. Established in 2019, their team focuses on Web Development and Back Office Outsourcing.Read More
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1948Undisclosed10 - 49 employeesSahibzada Ajit Singh Nagar, IndiaMisshya Technology, a call center company, is located in Sahibzada Ajit Singh Nagar, India. Their services include Call Center Services and Logistics & Supply Chain Consulting.Read More
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1949$1,000+10 - 49 employeesManzano, ItalyWebinWord is a small social media marketing firm founded in 2003. Their services include Social Media Marketing and Pay Per Click.Read More
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1950Undisclosed50 - 249 employeesSalesGrip is a Sales Outsourcing company established in 2018. Headquartered in Edmonton, Canada, the team provides Sales Outsourcing and Call Center Services.Read More
Industries
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