Top 100 Call Center Services
The Best of June 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 is an Orlando, Florida-based answering service. The company offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing and is midsize.The company was founded in 1998.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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2281Undisclosed50 - 249 employeesAltiam CX is a Davie, Florida-based answering service company. Their services include Call Center Services and Back Office Outsourcing.Read More
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2282$1,000+50 - 249 employeesNewark, DE99 Crews is a Sales Outsourcing company. Established in 2021, the company is based in Newark, Delaware. Their services include Sales Outsourcing and Demand Generation Marketing.Read More
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2283Undisclosed2 - 9 employeesEstablished in 2015, Lead Grabber, a small Email Marketing company, is located in New York, New York. Their services include Email Marketing and Back Office Outsourcing.Read More
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2284$1,000+50 - 249 employeesDelhi, IndiaEminenture is a Back Office Outsourcing company founded in 2011. Based in Delhi, India and Manchester, England, the team offers Back Office Outsourcing and Call Center Services.Read More
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2285$25,000+2 - 9 employeesJohnson3 Global Services is a call center service based in Cape Town, South Africa. They offer Call Center Services and Recruitment Process Outsourcing.Read More
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2286Undisclosed250 - 999 employeesPasig, PhilippinesISupport Worldwide is a telephone answering service. The Pasig, Philippines-based firm specializes in Call Center Services and Back Office Outsourcing.Read More
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2287$5,000+10 - 49 employeesMedan, IndonesiaXpandeast is a Medan, Indonesia-based Sales Outsourcing company. The firm focuses on Sales Outsourcing, Social Media Marketing, Content Marketing, Email Marketing, and more and is small.The firm was launched in 2022.Read More
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2288$50,000+10 - 49 employeesPiqual Inc. Is a Sales Outsourcing company. They were founded in 2020 and specialize in Sales Outsourcing and Email Marketing.Read More
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2289$1,000+2 - 9 employeesMiami, FLBilingual LS is an answering service. The Miami, Florida-based company was launched in 2010. Their team offers Call Center Services and Translation.Read More
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2290$10,000+2 - 9 employeesConcord, CAFounded in 2019, Gadgetsick is a call center company and IT managed services company. Their services include Call Center Services and IT managed services.Read More
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2291$1,000+2 - 9 employeesPPC agency and Sales Outsourcing company Water Damage Marketing specializes in Pay Per Click and Sales Outsourcing. They are headquartered in Nashville, Tennessee.Read More
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2292Undisclosed2 - 9 employeesBerlin, GermanyKohomai is a small CRM consulting and SI and Sales Outsourcing company launched in 2021. Their team focuses on CRM consulting and SI and Sales Outsourcing.Read More
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2293$1,000+10 - 49 employeesBhopal, IndiaRelu Consultancy is a Robotics Process Automation company. Located in Bhopal, India, their small team focuses on Robotics Process Automation and Web Development. The company was launched in 2022.Read More
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2294Undisclosed2 - 9 employeesCoral Gables, FLSumaLatam is a Translation company. They specialize in Translation and Call Center Services and were launched in 2012.Read More
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2295$1,000+50 - 249 employeesSan Francisco, CAHeadquartered in San Francisco, California, 31West Global Services is a Customer Service Outsourcing company. They specialize in Customer Service Outsourcing and cloud consulting & SI.Read More
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2296Undisclosed50 - 249 employeesAltia Smart City is a Commercial Development company. The team is in San Pedro Sula , Honduras, and their services include Commercial Development and Call Center Services.Read More
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2297Undisclosed2 - 9 employeesDiggydata is a Sales Outsourcing company launched in 2022. The small team provides Sales Outsourcing and Email Marketing.Read More
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2298Undisclosed10 - 49 employeesBhatpara, IndiaWeb design agency Tech Support Leads is in Bhatpara, India. They specialize in Web Design, Web Development, Call Center Services, Back Office Outsourcing, and more and were launched in 2006.Read More
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2299$5,000+10 - 49 employeesMontevideo, UruguayAnswering service company Expand Omnichannel Customer Journey Software specializes in Call Center Services and SMS Marketing. They are located in Montevideo, Uruguay.Read More
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2300Undisclosed50 - 249 employeesLahore, PakistanCrecentech Systems Private Limited is a cloud consulting & SI company. Located in Lahore, Pakistan, their team provides cloud consulting & SI and CRM consulting and SI.Read More
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2301Undisclosed1,000 - 9,999 employeesAubrey, TXThe Functionary is an IT staff augmentation company. Headquartered in Aubrey, Texas, the firm was launched in 2017. Their services include IT staff augmentation and Call Center Services.Read More
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2302Undisclosed50 - 249 employeesSahibzada Ajit Singh Nagar, IndiaIn Sahibzada Ajit Singh Nagar, India and Gurugram, India, ZOUMA CONSULTING SERVICES is an answering service. Launched in 2021, the team focuses on Call Center Services and Back Office Outsourcing.Read More
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2303Undisclosed2 - 9 employeesProspectX LTD is a Sales Outsourcing company. They are headquartered in London, England. Their team focuses on Sales Outsourcing and Demand Generation Marketing.Read More
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2304$5,000+2 - 9 employeesKøbenhavn, DenmarkSales Outsourcing company Wiinholt & Associates is headquartered in København, Denmark. The team focuses on Sales Outsourcing and Marketing Strategy.Read More
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2305$1,000+10 - 49 employeesSupport Wise is an answering service company launched in 2023. The agency focuses on call center services, IT managed services, web development, other IT consulting and SI, and more and has a small team. The agency is based in Lahore, Pakistan and Dagenham, United Kingdom.Read More
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2306$1,000+10 - 49 employeesNewquay, EnglandLinked Hacker Ads is a small pay per click company. Launched in 2017, the team focuses on Pay Per Click and Sales Outsourcing.Read More
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2307$25,000+2 - 9 employeesMadrid, SpainFaraday Venture Capital SGEIC SA, a Sales Outsourcing company, was established in 2026. Based in Madrid, Spain, the team offers Sales Outsourcing and Content Moderation Services.Read More
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2308Undisclosed2 - 9 employeesMilton, CanadaTech Sales Funnel is a Sales Outsourcing company launched in 2022. The company provides Sales Outsourcing and Email Marketing.Read More
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2309Undisclosed2 - 9 employeesLintgen, LuxembourgRoboto Leads is a Sales Outsourcing company. The Lintgen, Luxembourg-based firm was founded in 2022. Their team provides Sales Outsourcing and Email Marketing.Read More
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2310$1,000+2 - 9 employeesHeadquartered in Ohrid, North Macedonia and Sheridan, Wyoming, Selestra is a call center service. They provide Call Center Services and Back Office Outsourcing.Read More
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