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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1201Undisclosed1,000 - 9,999 employeesMarkham, CanadaCallnovo is a call center company founded in 2004. Their team focuses on Call Center Services and Customer Service Outsourcing.Read More
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1202Undisclosed250 - 999 employeesCork, IrelandFounded in 2020, Otonomee is a call center company. The agency provides Call Center Services and Back Office Outsourcing, and is midsize.Read More
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1203$5,000+10 - 49 employeesNewcastle, Northern IrelandDurhamlane is a Sales Outsourcing company. They are headquartered in Newcastle, Northern Ireland. Their team specializes in Sales Outsourcing and Marketing Strategy.Read More
Industries
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1204Undisclosed1,000 - 9,999 employeesIloilo City, PhilippinesOBPO is a call center. The large Iloilo City, Philippines-based team specializes in Call Center Services and Back Office Outsourcing. The firm was founded in 2000.Read More
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1205Undisclosed10,000+ employeesİstanbul, TürkiyeAssisTT is a large call center and Back Office Outsourcing company located in İstanbul, Türkiye. Their services include Call Center Services and Back Office Outsourcing.Read More
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1206Undisclosed50 - 249 employeesLondon, EnglandBusiness Consulting and Sales Outsourcing company smartKYC was founded in 2014. The midsize team provides Business Consulting and Sales Outsourcing.Read More
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1207$5,000+10 - 49 employeesPortland, OREstablished in 2004, Interaction Metrics, a small answering service, is headquartered in Portland, Oregon. Their services include Call Center Services.Read More
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1208$10,000+50 - 249 employeesIloilo City, PhilippinesOneBPO is a call center launched in 2004. The team offers Call Center Services and Back Office Outsourcing and is headquartered in Las Vegas, Nevada and Iloilo City, Philippines.Read More
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1209UndisclosedFreelancer employeesUndisclosedElise Allen, a Sales Outsourcing company, was launched in 2023. They provides Sales Outsourcing.Read More
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1210$1,000+50 - 249 employeesHouston, TXSales Outsourcing company Texas Iron & Metal is based in Houston, Texas. The team offers Sales Outsourcing.Read More
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1211Undisclosed2 - 9 employeesMilton, AustraliaBased in Milton, Australia, Com2 Communications is a telephone answering service. The team specializes in Call Center Services and Business Consulting.Read More
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1212Undisclosed250 - 999 employeesDialDesk is a phone answering service. Launched in 2008, their team focuses on Call Center Services.Read More
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1213Undisclosed50 - 249 employeesGurugram, IndiaSAN Softwares is a telephone answering service. The Gurugram, India-based firm focuses on Call Center Services and Custom Software Development.Read More
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1214$10,000+250 - 999 employeesBkd GmbH, a midsize call center service, is headquartered in Bochum, Germany and Recklinghausen, Germany. The team focuses on Call Center Services.Read More
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1215Undisclosed10 - 49 employeesAnswer Our Phone is a small call center company. Launched in 2017, the team provides Call Center Services.Read More
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1216$10,000+10 - 49 employeesBarranquilla, ColombiaG2A CONSULTING GROUP SAS, a call center, offer Call Center Services and Sales Outsourcing. They were founded in 2018.Read More
Industries
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1217Undisclosed250 - 999 employeesSantiago de los Caballeros, Dominican RepublicUnited Nearshore Operations is an answering service. They are based in Santiago de los Caballeros, Dominican Republic. Their team specializes in Call Center Services and Back Office Outsourcing.Read More
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1218$1,000+2 - 9 employeesLocated in Charlotte , North Carolina, DigiPro360 is a call center service. Established in 2026, the team focuses on Call Center Services and Customer Service Outsourcing.Read More
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1219$5,000+2 - 9 employeesIronclad Revenue Services is a Sales Outsourcing company. Located in Victoria, Canada, the team focuses on Sales Outsourcing and Business Consulting.Read More
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1220Undisclosed50 - 249 employeesCosmopolitan Medical Communications is a telephone answering service. They offer Call Center Services and were launched in 1976. The agency is in Glendale, Arizona.Read More
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1221$1,000+2 - 9 employeesBengaluru, IndiaSkaleo Business Solutions is a Sales Outsourcing company. Their small team is in Bengaluru, India. Their services include Sales Outsourcing.Read More
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1222$1,000+50 - 249 employeesIslamabad, PakistanConnectX is a midsize telephone answering service. They offer Call Center Services and Back Office Outsourcing and were founded in 2021.Read More
Clients
Apex Housing SolutionsIndustries
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1223$1,000+10,000+ employeesIrving, TXRead More
SourceHOV is a global transaction processing and enterprise information management company based in Irving, TX, with offices in Detroit, Los Angeles, and San Francisco. Founded in 2011, SourceHOV and its nearly 1,250 employees provide non-voice BPO/back office services and voice services.
Clients
Albany Medical CenterIndustries
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1224Undisclosed10 - 49 employeesDhaka, BangladeshMUNSHE IT is a Sales Outsourcing company in Dhaka, Bangladesh. Established in 2013, the team specializes in Sales Outsourcing and Email Marketing.Read More
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1225$5,000+2 - 9 employeesSan Antonio, TXSD Tech - Managed IT and VoIP, an answering service company and IT strategy consulting company, was founded in 2001. The firm focuses on Call Center Services and IT strategy consulting.Read More
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1226Undisclosed250 - 999 employeesGeorgetown, GuyanaExpress International Inc. Is a call center service. They focus on Call Center Services and Recruiting and are headquartered in Georgetown, Guyana and Anna Regina, Guyana.Read More
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1227$1,000+2 - 9 employeesWyspur, a Sales Outsourcing company, is in Middletown, Delaware. They provide Sales Outsourcing and Business Consulting.Read More
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1228$1,000+2 - 9 employeesRead More
Apex Global is a voice services and finance firm based in. Founded in 2018, their team of 8 serves clients in the business services and IT sectors. Services include customer service, virtual reception, and online support.
Clients
SpectrumIndustries
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1229$1,000+2 - 9 employeesBaltimore, MDRead More
Remote IT Solutions is a small IT managed services company. Founded in 2010, the company is headquartered in Baltimore, Maryland. Their team offers IT managed services, custom software development, IT strategy consulting, cloud consulting & SI, and more.
Industries
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1230$50,000+10,000+ employeesNoida, IndiaFounded in 2014, Riemen Solution Private Limited is a large Noida, India-based Customer Service Outsourcing company. Their team focuses on Customer Service Outsourcing and Call Center Services.Read More
Industries
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