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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2371$5,000+10 - 49 employeesFounded in 2008, Doc E's BBQ is an Event Marketing and Sales Outsourcing company. The small team specializes in Event Marketing and Sales Outsourcing.Read More
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2372$10,000+10 - 49 employeesManifest Business Development Ltd is a Sales Outsourcing company. The team specializes in Sales Outsourcing and Branding, and the agency is based in London, England.Read More
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2373$1,000+10 - 49 employeesL'viv, UkraineHeadquartered in L'viv, Ukraine, CallTech Outsourcing is a small answering service company. Their services include Call Center Services and Back Office Outsourcing.Read More
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2374Undisclosed10 - 49 employeesDouble Ace Associates, a phone answering service, is headquartered in Singapore , Singapore. They provide Call Center Services and Funding & Investment.Read More
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2375$5,000+10 - 49 employeesSales Outsourcing and Direct Marketing company Comadi offers Sales Outsourcing and Direct Marketing. They are headquartered in Barcelona, Spain.Read More
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2376$5,000+10 - 49 employeesValència, SpainSalesDose, a Sales Outsourcing company, was founded in 2025. The company offers Sales Outsourcing and Business Consulting, and is small.Read More
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2377Undisclosed10 - 49 employeesModamindfuels is a Sales Outsourcing and Product Marketing company launched in 2024. The small team focuses on Sales Outsourcing and Product Marketing.Read More
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2378Undisclosed10 - 49 employeesEast Building Group is a Jiaxing city, China-based Product Marketing and Sales Outsourcing company. The team focuses on Product Marketing and Sales Outsourcing.Read More
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2379$1,000+50 - 249 employeesHeadquartered in London, England, Speedflow is a call center. The team focuses on Call Center Services and Custom Software Development.Read More
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2380$1,000+250 - 999 employeesIrvine, CARead More
Kareo is a cloud-based medical technology platform based in Irvine, Calif., with offices in San Francisco, Las Vegas, Los Angeles, and Costa Rica. Founded in 2004, Kareo's team of 597 employees provides non-voice BPO/back office services and voice services to healthcare and medical related businesses.
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CapterraIndustries
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2381$1,000+50 - 249 employeesLos Angeles, CAMidsize telephone answering service Medallion, is in Los Angeles, California. The team provides voice services.Read More
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2382$10,000+10 - 49 employeesIloilo City, PhilippinesOutsourced VA is a small Customer Service Outsourcing company. Established in 2009, the team provides Customer Service Outsourcing and Back Office Outsourcing.Read More
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2383Undisclosed250 - 999 employeesKatowice, PolandFounded in 2002, 3S is a cloud consulting & SI company. Their team provides cloud consulting & SI and Call Center Services.Read More
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2384$5,000+10 - 49 employeesTiranë, AlbaniaRoyal Communication Services is a phone answering service. They offer Call Center Services and Advertising and were founded in 2011.Read More
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2385$1,000+10 - 49 employeesKarachi, PakistanMatvibe Technologies is a call center. They were established in 2019 and provide Call Center Services and Social Media Marketing.Read More
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2386$5,000+10 - 49 employeesSaaz International Marketing INC, a Sales Outsourcing company, is headquartered in Markham, Canada. They provide Sales Outsourcing and Call Center Services and were founded in 2017.Read More
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2387$5,000+10 - 49 employeesIPTechSV is a call center service. Their small team is in San Salvador, El Salvador. Their services include Call Center Services and Customer Service Outsourcing.Read More
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2388$10,000+10 - 49 employeesTiranë, AlbaniaAOL Services is a phone answering service. Founded in 2024, their team specializes in Call Center Services and Customer Service Outsourcing.Read More
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2389$1,000+10 - 49 employeesMumbai, IndiaFounded in 2025, Clientexa Global Services is an answering service. Based in Mumbai, India, the team focuses on Call Center Services and Customer Service Outsourcing.Read More
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2390$1,000+10 - 49 employeesBased in Kalispell, Montana, ScaleForce.com is a Sales Outsourcing company. They offer Sales Outsourcing and Call Center Services.Read More
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2391$1,000+10 - 49 employeesBlue Peak Co is a Sales Outsourcing company in St. Petersburg, Florida and Pune, India. The team provides Sales Outsourcing and Call Center Services.Read More
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2392Undisclosed2 - 9 employeesSan Juan, Puerto RicoTelecontacto, an answering service, is headquartered in San Juan, Puerto Rico. Launched in 1995, the team offers Call Center Services and Translation.Read More
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2393$1,000+2 - 9 employeesDorado LLC is a Sales Outsourcing company. Launched in 2021, the firm is in Tokyo, Japan. Their services include Sales Outsourcing and Business Consulting.Read More
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2394$75,000+2 - 9 employeesNoida, IndiaEstablished in 2023, Visit Commercial, a small Sales Outsourcing company, is headquartered in Noida, India. Their team focuses on Sales Outsourcing and Funding & Investment.Read More
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2395$1,000+2 - 9 employeesLalpur, BangladeshPro Lead Maker is a Sales Outsourcing company in Lalpur, Bangladesh. They focus on Sales Outsourcing and Email Marketing and were launched in 2023.Read More
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2396Undisclosed2 - 9 employeesEstablished in 2014, sales experts GmbH is a Sales Outsourcing company. The agency specializes in Sales Outsourcing and Direct Marketing, and is small.Read More
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2397$1,000+2 - 9 employeesSmall Sales Outsourcing company Event BDR, is located in Dubai, United Arab Emirates. The team provides Sales Outsourcing and Event Marketing.Read More
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2398$1,000+2 - 9 employeesPhone answering service DYOD: Do Your Own Ads is located in Kitchener, Canada. They specialize in Call Center Services and Pay Per Click.Read More
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2399Undisclosed2 - 9 employeesRīga, LatviaFSS (Fevralov Strategy Systems) is a Sales Outsourcing company. They are in Rīga, Latvia, and their services include Sales Outsourcing and BI & big data consulting & SI.Read More
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2400Undisclosed2 - 9 employeesAccel Bio, a Sales Outsourcing company, was established in 2024. The team specializes in Sales Outsourcing and Demand Generation Marketing and is headquartered in Victoria, Canada.Read More
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