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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871Undisclosed2 - 9 employeesInqrise is a social media marketing company launched in 2025. Their small team is in Ahmedabad, India. The agency specializes in Social Media Marketing, Sales Outsourcing, and Performance Marketing.Read More
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872$1,000+2 - 9 employeesReferralWorks is a Sales Outsourcing company based in Golden, Colorado. The small company was founded in 2024. Their services include Sales Outsourcing, Email Marketing, Account-Based Marketing, and Direct Marketing.Read More
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873$10,000+2 - 9 employeesBucurești, RomaniaSales outsourcing company WEBHUNT SRL is headquartered in București, Romania. The small team focuses on sales outsourcing, email marketing, other digital marketing, account-based marketing, and more. The firm was launched in 2021.Read More
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874$1,000+10 - 49 employeesVoipTower is a small unified communications consulting & SI company. The Dnipro, Ukraine-based company was founded in 2020. Their services include unified communications consulting & SI, Call Center Services, cloud consulting & SI, CRM consulting and SI, and more.Read More
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875Undisclosed50 - 249 employeesRead More
Call center service Adentcom Contact Center & BPO is in Monterrey, Mexico. The midsize firm was established in 2013. Their team specializes in Call Center Services, Back Office Outsourcing, and Customer Service Outsourcing.
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876$25,000+50 - 249 employeesTechLoom Global, an IT staff augmentation company, is based in Sheridan, Wyoming. The midsize team focuses on IT staff augmentation, Custom Software Development, Product Design, Application Management & Support, and more and was established in 2020.Read More
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877Undisclosed1,000 - 9,999 employeesPasay, PhilippinesEPerformax Contacts Center and BPO is a large phone answering service in Pasay, Philippines. The team offers Call Center Services.Read More
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878$1,000+10 - 49 employeesAssist World is a social media marketing firm launched in 2023. The small USA, Oregon-based team provides Social Media Marketing, Call Center Services, Customer Service Outsourcing, Email Marketing, and more.Read More
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879$5,000+10 - 49 employeesMelbourne, AustraliaTelephone answering service and Sales Outsourcing company Evolved Contact is headquartered in Melbourne, Australia. Launched in 2014, the team offers Call Center Services and Sales Outsourcing.Read More
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Simonds HomesIndustries
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880$25,000+50 - 249 employeesJTN Group is a midsize Demand Generation Marketing company headquartered in New York, New York. They offer Demand Generation Marketing, Corporate Training & Coaching, Marketing Strategy, Business Consulting, and more and were established in 1999.Read More
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881$1,000+2 - 9 employeesWebDruids is a small social media marketing firm. The Wilmington, Delaware-based firm was launched in 2022. Their services include social media marketing, email marketing, search engine optimization, and sales outsourcing.Read More
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882$1,000+2 - 9 employeesHenley-on-Thames, EnglandPPC company F9 Marketing is in High Wycombe, England and Henley-on-Thames, England. The small team offers Pay Per Click, Marketing Strategy, Sales Outsourcing, Public Relations, and more. The firm was founded in 2016.Read More
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883Undisclosed50 - 249 employeesBirmingham, EnglandLuminaVest LTD is a midsize Direct Marketing company headquartered in Birmingham, England; Miami, Florida and Miami, Florida. They provide Direct Marketing, Custom Software Development, Artificial Intelligence, Application Testing, and more and were established in 2019.Read More
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884$10,000+1,000 - 9,999 employeesKakkanad, IndiaFounded in 2002, Aabasoft, a large call center service, is in Kakkanad, India. Their team offers Call Center Services and cloud consulting & SI.Read More
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885Undisclosed2 - 9 employeesLas Vegas, NVRead More
Launched in 2023, VinsiAI is a small answering service. Their team offers call center services, customer service outsourcing, sales outsourcing, and generative ai. The agency is based in Las Vegas, Nevada.
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886$1,000+2 - 9 employeesAarhus, DenmarkDanish Lead Co. Is a small Demand Generation Marketing company founded in 2021. Their team offers Demand Generation Marketing, Sales Outsourcing, and Email Marketing. The company is headquartered in Aarhus, Denmark.Read More
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887$1,000+10 - 49 employeesUndisclosedBranding agency Techromica Global is headquartered in. The firm specializes in branding, web design, video production, web development, and more and is small.The firm was established in 2011.Read More
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888$1,000+10 - 49 employeesUdaipur, IndiaDatum Decipher Analytics is a Back Office Outsourcing company established in 2020. The small team offers Back Office Outsourcing, Web Design, Customer Service Outsourcing, Call Center Services, and more. The firm is located in Udaipur, India.Read More
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889$1,000+50 - 249 employeesAssisttree, a Back Office Outsourcing company, is located in Boca Raton, Florida; Gurugram, India and Faridabad, India. The agency specializes in Back Office Outsourcing, IT managed services, Call Center Services, Business Consulting, and more and has a midsize team.The agency was launched in 2018.Read More
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890$1,000+10 - 49 employeesPort Washington, NYRead More
Blue Zebra Appointment Setting is a lead generation agency based in Port Washington, N.Y. Since 1989, their team of fewer than 10 works with clients in different industries like business and financial services and healthcare.
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King PlasticsIndustries
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891$1,000+50 - 249 employeesMiami, FLCall center service GIC BPO LLC is located in Miami, Florida. The midsize agency was founded in 2019. Their services include call center services, back office outsourcing, customer service outsourcing, sales outsourcing, and more.Read More
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892$1,000+250 - 999 employeesLondon, EnglandOnline Giants is a call center founded in 2013. The company offers Call Center Services and Customer Service Outsourcing.Read More
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893$1,000+2 - 9 employeesCaracas, VenezuelaMyselfteam LLC is a small Back Office Outsourcing company. Launched in 2017, the team specializes in Back Office Outsourcing and Customer Service Outsourcing.Read More
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894$5,000+2 - 9 employeesB2B.Money is a Vilnius, Lithuania-based Market Research company. Launched in 2025, the small team focuses on Market Research, Marketing Strategy, Email Marketing, Sales Outsourcing, and more.Read More
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895$5,000+1,000 - 9,999 employeesKarachi, PakistanEPlanet communication Pvt. Ltd. Is a Customer Service Outsourcing company. They offer Customer Service Outsourcing and Call Center Services and were established in 2003.Read More
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896$1,000+2 - 9 employeesRead More
INNOSOLS is a custom software development firm based in Faridabad, India. Founded in 2011, their team of 8 serves clients in the marketing and advertising sectors. Services include web development and business consulting.
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897$5,000+10 - 49 employeesDo Sales is an Email Marketing company. The small San Francisco, California-based firm was launched in 2018. Their services include Email Marketing, Social Media Marketing, Sales Outsourcing, Content Marketing, and more.Read More
Clients
Sensable, Inc.Industries
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898$5,000+10 - 49 employeesSALESHACKERS is a Marketing Strategy company. Launched in 2015, the small agency is in Warsaw, Poland. Their team offers Marketing Strategy, Email Marketing, IT strategy consulting, Sales Outsourcing, and more.Read More
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899$1,000+2 - 9 employeesDee Why, AustraliaDigital Instyle, a branding firm, is in Dee Why, Australia. They provide branding, social media marketing, search engine optimization, web development, and more and were launched in 2016.Read More
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900$5,000+2 - 9 employeesSOL MEDIA SOLUTIONS is a Sales Outsourcing company. The Torroella de Montgrí, Spain-based company provides Sales Outsourcing and Email Marketing.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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