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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2311Undisclosed2 - 9 employeesMünchen, GermanyStartup Campus Germany GmbH, a Business Consulting company, was established in 2018. The small team specializes in Business Consulting and Market Research.Read More
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2312Undisclosed2 - 9 employeesLaunched in 2019, Freshwater Marketing is a public relations agency. Headquartered in Tampa, Florida, their small team provides public relations, market research, marketing strategy, branding, and more.Read More
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2313Undisclosed50 - 249 employeesCampbelltown, AustraliaAR Data, a big data company, is based in Campbelltown, Australia and Lenah Valley, Australia. Their services include BI & big data consulting & SI and Translation.Read More
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2314$1,000+2 - 9 employeesKolkata, IndiaBusiness Consulting company Kite Assistant was launched in 2025. The small team specializes in Business Consulting, Call Center Services, Sales Outsourcing, and Content Moderation Services. The agency is in Kolkata, India.Read More
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2315$1,000+2 - 9 employeesCallenta is a call center company. Their small team is located in San Francisco, California. The company specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Sales Outsourcing. The company was founded in 2025.Read More
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2316Undisclosed2 - 9 employeesLeadSnake is an artificial intelligence company and Sales Outsourcing company launched in 2022. In Chicago, Illinois, the team provides Artificial Intelligence and Sales Outsourcing.Read More
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2317$1,000+2 - 9 employeesOnDem is a PPC company. The Sheridan, Wyoming-based company offers Pay Per Click and Business Consulting.Read More
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2318$1,000+2 - 9 employeesLytchett Matravers, EnglandLaunched in 2022, Receptionality is a call center service and Customer Service Outsourcing company. The small team focuses on Call Center Services and Customer Service Outsourcing.Read More
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2319Undisclosed2 - 9 employeesCheadle, EnglandSnappy Assistance is an answering service company. They are in Cheadle, England and have small team. They offer Call Center Services and Back Office Outsourcing.Read More
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2320$1,000+2 - 9 employeesOutPerformerz.com is a small Žilina, Slovakia-based Sales Outsourcing company. The team offers Sales Outsourcing and Business Consulting.Read More
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2321$25,000+2 - 9 employeesHouston, TXAmeritech LLC, an IT managed services and call center service, is located in Houston, Texas. The team offers IT managed services and Call Center Services.Read More
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2322Undisclosed2 - 9 employeesWaxhaw, NCHeyou.ai is an answering service company. The small Waxhaw, North Carolina-based team provides Call Center Services and Customer Service Outsourcing. The firm was founded in 2023.Read More
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2323$1,000+2 - 9 employeesMurdoch, AustraliaLeadbytez is a Murdoch, Australia-based Sales Outsourcing company. Their services include Sales Outsourcing and Social Media Marketing.Read More
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2324$5,000+2 - 9 employeesPacific Automation Group is a Sales Outsourcing company. The team is headquartered in Seattle, Washington, and their services include Sales Outsourcing and Business Consulting.Read More
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2325$1,000+2 - 9 employeesOakville, CanadaLocated in Oakville, Canada, Leadify Ninja is an Email Marketing and Sales Outsourcing company. Their services include Email Marketing and Sales Outsourcing.Read More
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2326$1,000+2 - 9 employeesPalma, SpainEstablished in 2018, Zennial is a Sales Outsourcing company. The team offers Sales Outsourcing and Content Marketing.Read More
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2327$5,000+2 - 9 employeesOdutayo Group is a small Business Consulting and Sales Outsourcing company established in 2023. Their team provides Business Consulting and Sales Outsourcing.Read More
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2328$1,000+2 - 9 employeesReachoutly LLC is a Sales Outsourcing company based in Sheridan, Wyoming. They offer Sales Outsourcing and Email Marketing.Read More
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2329$1,000+2 - 9 employeesOutPro is a Cebu City, Philippines-based call center. They focus on Call Center Services and Back Office Outsourcing.Read More
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2330$1,000+2 - 9 employeesSolar Lead Spot is a small Marketing Strategy and Sales Outsourcing company in Homestead, Florida. Their services include Marketing Strategy and Sales Outsourcing.Read More
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2331$5,000+2 - 9 employeesBellshill, ScotlandPure Pipeline is a Market Research company. The team offers Market Research and Web Design and is in Bellshill, Scotland.Read More
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2332$5,000+2 - 9 employeesUndisclosedRegency Sales Associates is a Sales Outsourcing company founded in 2023. Based in , the team offers Sales Outsourcing and Custom Software Development.Read More
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2333Undisclosed2 - 9 employeesSofia, BulgariaExpand Acquisition is an Email Marketing and Sales Outsourcing company. They are based in Sofia, Bulgaria and have small team of experts. Their services include Email Marketing and Sales Outsourcing.Read More
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2334$1,000+2 - 9 employeesLondon, EnglandOppdrip is a Sales Outsourcing company. Founded in 2023, the firm is in London, England. Their team specializes in Sales Outsourcing and Direct Marketing.Read More
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2335Undisclosed2 - 9 employeesLaunched in 2024, rethinkCX is a small telephone answering service and Customer Service Outsourcing company. Their services include Call Center Services and Customer Service Outsourcing.Read More
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2336$5,000+2 - 9 employeesUndisclosedMarketing Be Social Ltd is a Marketing Strategy and Sales Outsourcing company. Located in , the company specializes in Marketing Strategy and Sales Outsourcing.Read More
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2337Undisclosed2 - 9 employeesGroomlead, a small Sales Outsourcing company, is in Sheridan, Wyoming. The team provides Sales Outsourcing and Generative AI.Read More
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2338$1,000+2 - 9 employeesUndisclosedBlack Sheep Marketing is a Marketing Strategy and Sales Outsourcing company. The agency was founded in 2024. Their services include Marketing Strategy and Sales Outsourcing.Read More
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2339$5,000+2 - 9 employeesAtomreach is a Sales Outsourcing and Account-Based Marketing company. They were founded in 2024 and specialize in Sales Outsourcing and Account-Based Marketing.Read More
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2340$5,000+2 - 9 employeesRichmond, VACHRISTLAND is a small Richmond, Virginia-based Sales Outsourcing company. The team offers Sales Outsourcing and Email Marketing.Read More
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