Top 100 Call Center Services
The Best of October 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, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.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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4351$5,000+10 - 49 employeesLondon, EnglandClosuraGrowth is a Sales Outsourcing company launched in 2025. The team offers Sales Outsourcing and CRM consulting and SI and is headquartered in London, England.Read More
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4352$1,000+10 - 49 employeesOpteamus is a Back Office Outsourcing company launched in 2021. Their team offers Back Office Outsourcing and Sales Outsourcing.Read More
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4353$1,000+50 - 249 employeesNorwich, EnglandOpenContact, a telephone answering service, was launched in 2000. The team offers Call Center Services and Back Office Outsourcing and is based in Norwich, England.Read More
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4354$1,000+50 - 249 employeesSutton Coldfield, EnglandMPL Contact is a Customer Service Outsourcing company founded in 1994. The team specializes in Customer Service Outsourcing and Call Center Services and is based in Sutton Coldfield, England.Read More
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4355$1,000+2 - 9 employeesMorris Plains, NJLocated in Morris Plains, New Jersey, Internet Customer Solutions, Inc. Is a small ERP consulting and SI company. The team offers ERP consulting and SI and Custom Software Development.Read More
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4356Undisclosed10 - 49 employeesBuenos Aires, ArgentinaTransvalores, a Customer Service Outsourcing company, is based in Buenos Aires, Argentina. Founded in 1998, the team focuses on Customer Service Outsourcing and Call Center Services.Read More
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4357$5,000+10 - 49 employeesMinneapolis, MNStoryTeller Media + Communications, a web design company, is located in Minneapolis, Minnesota. They offer Web Design and Video Production.Read More
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4358$5,000+2 - 9 employeesDavid and Goliath is an Account-Based Marketing company founded in 2025. The team offers Account-Based Marketing and Content Marketing and is located in Melbourne, Australia.Read More
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4359$10,000+50 - 249 employeesLondon, EnglandBreaking Blue is a branding company. The London, England-based firm provides Branding and Call Center Services.Read More
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4360Undisclosed1,000 - 9,999 employeesTaguig, PhilippinesMicroSourcing, a Back Office Outsourcing company, is headquartered in Taguig, Philippines and Lewisville, Texas. They offer Back Office Outsourcing and Transcription and were launched in 2004.Read More
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4361$1,000+50 - 249 employeesSan Marcos, TXEstablished in 2012, ReconMR is a Market Research company. The team offers Market Research and Call Center Services and is based in San Marcos, Texas.Read More
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4362$10,000+1,000 - 9,999 employeesUtrecht, NetherlandsFounded in 1998, 5CA BV, a large Customer Service Outsourcing company, is located in Utrecht, Netherlands. Their services include Customer Service Outsourcing and Back Office Outsourcing.Read More
Clients
Recharge Rovio Bang & Olufsen BeerwulfIndustries
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4363Undisclosed50 - 249 employeesFirstComm, an unified communications consulting & SI company, offers unified communications consulting & SI and IT managed services. The firm is in Fairlawn, Ohio.Read More
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4364$1,000+2 - 9 employeesNew York, NYMessages Plus is a small New York, New York-based telephone answering service. The team offers Call Center Services and Customer Service Outsourcing.Read More
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4365$1,000+2 - 9 employeesGreater Noida, IndiaEasy Reception AI is an AI development company. The Greater Noida, India-based company was founded in 2025. The small team offers Artificial Intelligence, Call Center Services, and Generative AI.Read More
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4366Undisclosed2 - 9 employeesLeadvalor is a back office outsourcing company. They provide back office outsourcing and email marketing and were established in 2021. The company is headquartered in Dhaka, Bangladesh.Read More
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4367Undisclosed2 - 9 employeesNovi Sad, SerbiaNova Concept is a call center company. Founded in 2021, the company is located in Novi Sad, Serbia. Their team specializes in Call Center Services and Customer Service Outsourcing.Read More
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4368Undisclosed2 - 9 employeesLocated in London, England, Revency is a small Sales Outsourcing company. The team provides Sales Outsourcing and Email Marketing.Read More
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4369Undisclosed2 - 9 employeesRiseUP Talent is a telephone answering service. They are located in Dubai, United Arab Emirates and have small team of experts. Their services include Call Center Services and Back Office Outsourcing.Read More
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4370Undisclosed2 - 9 employeesUndisclosedQuikleads.io is a Demand Generation Marketing company. They offer Demand Generation Marketing and Market Research and are based in.Read More
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4371$5,000+2 - 9 employeesJodhpur, IndiaFounded in 2023, BigBrandCo is a small Jodhpur, India-based Sales Outsourcing company. Their services include Sales Outsourcing and Email Marketing.Read More
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4372$1,000+2 - 9 employeesOrlando, FLCustomer Service Outsourcing company Connectual Assistant was founded in 2024. Headquartered in Orlando, Florida, the team offers Customer Service Outsourcing and Call Center Services.Read More
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4373$1,000+2 - 9 employeesOrlando, FLEmail Marketing company Office Optim Lead Generation was established in 2021. The agency provides Email Marketing and Sales Outsourcing, and is small.Read More
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4374$5,000+2 - 9 employeesValència, SpainAmbiuz, a Sales Outsourcing company, was established in 2024. The agency offers Sales Outsourcing and Market Research, and is small.Read More
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4375$5,000+2 - 9 employeesImperium Impact is a Business Consulting company. Based in London, England, the agency specializes in Business Consulting and Sales Outsourcing.Read More
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4376$1,000+2 - 9 employeesUndisclosedDoorlabs, a Sales Outsourcing company, is based in. Founded in 2023, the team specializes in Sales Outsourcing and Cybersecurity.Read More
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4377$1,000+2 - 9 employeesTwins Dynasty, a call center service, is headquartered in Atlanta, Georgia. They offer Call Center Services and Advertising.Read More
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4378Undisclosed2 - 9 employeesLaunched in 2024, Omni Support Solutions is an answering service company. Their team focuses on Call Center Services and Back Office Outsourcing.Read More
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4379$1,000+2 - 9 employeesLeadGen Nav is a Sales Outsourcing company. Launched in 2024, their team provides Sales Outsourcing and Marketing Strategy.Read More
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4380$1,000+2 - 9 employeesLarnaca, CyprusMynimal, a Business Consulting company, was founded in 2021. They specializes in Business Consulting and Sales Outsourcing.Read More
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