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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List of the Best Voice Services Providers on the Market
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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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4291$10,000+50 - 249 employeesNottingham, EnglandAdtrak, an Advertising company, was launched in 1997. Based in Nottingham, England, the team specializes in Advertising and Marketing Strategy.Read More
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4292$1,000+50 - 249 employeesHanoi, VietnamAccounting company Expertrans BPO was founded in 2005. The team specializes in Accounting and Business Consulting and is located in Hanoi, Vietnam.Read More
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4293$1,000+50 - 249 employeesIslamabad, PakistanRiz Solutions is an Advertising company. Their midsize team is headquartered in Islamabad, Pakistan. Their services include Advertising and Social Media Marketing.Read More
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4294$1,000+Freelancer employeesChittagong, BangladeshDirect Marketing company ProEntry Solutions is headquartered in Chittagong, Bangladesh. They focus on Direct Marketing and BI & big data consulting & SI and were launched in 2024.Read More
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4295Undisclosed10 - 49 employeesLahore, PakistanBrilZen is a social media marketing company. Their small team of employees is headquartered in Lahore, Pakistan. Their team specializes in Social Media Marketing and Email Marketing.Read More
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4296$1,000+10 - 49 employeesMultan, PakistanMr. Calling IT Solutions SMC PVT LTD, a social media marketing agency, is headquartered in Philadelphia, Pennsylvania and Multan, Pakistan. They offer Social Media Marketing and Email Marketing.Read More
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4297Undisclosed10 - 49 employeesMediRises is a Back Office Outsourcing company. The team is headquartered in Dover, Delaware, and their services include Back Office Outsourcing and Call Center Services.Read More
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4298$1,000+2 - 9 employeesJagodina, SerbiaAlmi Remote Assistant Services is a Back Office Outsourcing company in Jagodina, Serbia. Established in 2017, the team focuses on Back Office Outsourcing and Call Center Services.Read More
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4299$1,000+2 - 9 employeesManchester,london, EnglandZAGZTECH is a Mirpur, Pakistan-based answering service company. The team provides Call Center Services and Customer Service Outsourcing.Read More
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4300$1,000+2 - 9 employeesCartagena de Indias, ColombiaBusiness Consulting company Resolution & Business was established in 2021. The team provides Business Consulting and Corporate Training & Coaching and is in Cartagena de Indias, Colombia.Read More
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4301$1,000+2 - 9 employeesViborg, DenmarkOncall ApS is a small telephone answering service headquartered in Viborg, Denmark. Their services include Call Center Services and Back Office Outsourcing.Read More
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4302$10,000+2 - 9 employeesGorham, MEOptimum Conversion is a Market Research company. Established in 2022, the company is in Gorham, Maine. Their team offers Market Research and Sales Outsourcing.Read More
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4303$10,000+2 - 9 employeesBoston, MAEstablished in 2022, JAM PIPELINE, a small Sales Outsourcing company, is located in Boston, Massachusetts. Their team provides Sales Outsourcing and Business Consulting.Read More
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4304$1,000+2 - 9 employeesExpogy Agency is a Direct Marketing company. They offer Direct Marketing and Email Marketing and are in Lviv, Ukraine.Read More
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4305$10,000+2 - 9 employeesYerevan, ArmeniaGlobal Marketing & Distribution is a Market Research company. They are headquartered in Yerevan, Armenia. Their team specializes in Market Research and Marketing Strategy.Read More
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4306$1,000+2 - 9 employeesEvokTechnix SOLUTIONS is a small Customer Service Outsourcing company located in Bengaluru, India. The team offers Customer Service Outsourcing and Call Center Services.Read More
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4307$5,000+2 - 9 employeesUndisclosedGrowth Agency is a Sales Outsourcing company located in. Their services include Sales Outsourcing and Search Engine Optimization.Read More
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4308Undisclosed2 - 9 employeesAnagha Media is an Advertising company. They are headquartered in New Delhi, India and have small team. They specialize in Advertising and Marketing Strategy.Read More
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4309$5,000+2 - 9 employeesRep Pulse is a Chicago, Illinois-based Marketing Strategy company. They focus on Marketing Strategy and Sales Outsourcing and were founded in 2024.Read More
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4310$1,000+2 - 9 employeesWhite Plains, NYBota Group is an answering service company. Their small team of employees is located in White Plains, New York. Their team focuses on Call Center Services and Customer Service Outsourcing.Read More
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4311$5,000+2 - 9 employeesCasper, WYPiffy's Media is a Casper, Wyoming-based social media marketing firm. Launched in 2024, the team provides Social Media Marketing and Pay Per Click.Read More
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4312$1,000+2 - 9 employeesVirgoX Marketing is a Sales Outsourcing company. Launched in 2023, the company provides Sales Outsourcing and Digital Strategy.Read More
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4313Undisclosed2 - 9 employeesSdvi Ca is a Business Consulting company founded in 2017. The small team specializes in Business Consulting and Sales Outsourcing.Read More
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4314$1,000+2 - 9 employeesOx Company is a small Conversion Optimization company established in 2023. Their team focuses on Conversion Optimization and Sales Outsourcing.Read More
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4315$5,000+2 - 9 employeesC.J. Customer Support, LLC is a small Dallas, Texas-based answering service company. The team focuses on Call Center Services and Customer Service Outsourcing.Read More
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4316Undisclosed2 - 9 employeesXTRACTLY, a Market Research company, offer Market Research and Back Office Outsourcing. They were launched in 2025.Read More
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4317$1,000+2 - 9 employeesBerlin, GermanyFounded in 2024, saverflow ai is a cloud consulting & SI company. The team offers cloud consulting & SI and AI Consulting.Read More
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4318Undisclosed2 - 9 employeesLos Angeles, CALead Discovery is a social media marketing agency. In Los Angeles, California, the agency was launched in 2020. Their services include Social Media Marketing and Back Office Outsourcing.Read More
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4319$1,000+2 - 9 employeesCape Town, South AfricaBig data analytics company The Bigger Byte is based in Cape Town, South Africa. They offer BI & big data consulting & SI and Sales Outsourcing and were founded in 2025.Read More
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4320$1,000+10 - 49 employeesHuntersville, NCIn Huntersville, North Carolina and Slocomb, Alabama, S & E Group, LLC is a Customer Service Outsourcing company. They focus on Customer Service Outsourcing and Staffing.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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