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
Industries
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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
Industries
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5911Undisclosed10 - 49 employeesJamshedpur, IndiaPRWiz is a public relations company. Launched in 2026, the team provides Public Relations and Search Engine Optimization. The company is located in Jamshedpur, India.Read More
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5912$5,000+10 - 49 employeesBengaluru, IndiaSapphire Consulting Services BPM, a Business Consulting company, is headquartered in Bengaluru, India. They provide Business Consulting and Call Center Services.Read More
Industries
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5913$1,000+10 - 49 employeesCall center company Compoundex was launched in 2021. The agency focuses on Call Center Services and Customer Service Outsourcing.Read More
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5914$1,000+10 - 49 employeesGlobopstech Outsourcing Private limited is a Sales Outsourcing company in Nehru Nagar, India. They specialize in Sales Outsourcing and Staffing and were founded in 2022.Read More
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5915$5,000+10 - 49 employeesFounded in 2025, Sales Execution Lab is a Business Consulting company. The firm provides Business Consulting and Corporate Training & Coaching, and is small.Read More
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5916$1,000+10 - 49 employeesSERVIFLEX GLOBAL LLP, a Customer Service Outsourcing company, was founded in 2022. The agency provides Customer Service Outsourcing and Sales Outsourcing, and is small.Read More
Industries
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5917$5,000+50 - 249 employeesKansas City, MOLaunched in 2001, ER Marketing is a midsize SEO company located in Kansas City, Missouri and. Their team specializes in Search Engine Optimization and Web Design.Read More
Industries
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5918$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
Industries
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5919$5,000+10 - 49 employeesGurugram, IndiaEstablished in 2019, Xcentasia is a Back Office Outsourcing company. Their team specializes in Back Office Outsourcing and Market Research.Read More
Industries
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5920$10,000+10 - 49 employeesClosergod is an Email Marketing company. They were launched in 2020, and their services include Email Marketing and Demand Generation Marketing.Read More
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5921$5,000+2 - 9 employeesSan Antonio, TXViper Web Solutions, a Mobile & App Marketing company, was founded in 2008. Headquartered in San Antonio, Texas, the team specializes in Mobile & App Marketing and Call Center Services.Read More
Clients
Alamo City Engineering Services -
5922Undisclosed2 - 9 employeesBristol, EnglandLaunched in 2016, Growthlabs B2B Marketing Agency is a pay per click company. The small team focuses on Pay Per Click and Marketing Strategy.Read More
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5923$1,000+2 - 9 employeesFilex Studio is a website development firm. Their small team is headquartered in Bhilai, India. Their services include Web Development and Web Design.Read More
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5924$1,000+2 - 9 employeesFaridabad, IndiaFounded in 2026, Twerk Studios Ai is a Marketing Strategy company. The small team provides Marketing Strategy and Product Marketing.Read More
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5925$1,000+10 - 49 employeesDIGI HUM is a social media marketing company established in 2017. Their small team is in Ghaziabad, India and offers social media marketing, search engine optimization, pay per click, web development, and more.Read More
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5926$50,000+10 - 49 employeesSocial media marketing company Zuztec Media was launched in 2019. Their small team is based in East Providence, Rhode Island and specializes in Social Media Marketing, Search Engine Optimization, Web Development, E-Commerce Development, and more.Read More
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5927Undisclosed10 - 49 employeesNairobi, KenyaFounded in 2011, Lance Alexander Communication LTD is an unified communications consulting & SI company. Their team specializes in unified communications consulting & SI and IT managed services.Read More
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5928Undisclosed10 - 49 employeesঢাকা, BangladeshNet Bangla Limited is a custom software development firm. They are located in ঢাকা, Bangladesh and have small team. They focus on Custom Software Development and Call Center Services.Read More
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5929$1,000+10 - 49 employeesNoida, IndiaDirect Marketing company Amplior is in Noida, India. They specialize in Direct Marketing and Email Marketing.Read More
Industries
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5930$25,000+10 - 49 employeesLagos, NigeriaAsksus-ng Business Support Services is a small Business Consulting company headquartered in Lagos, Nigeria. The team focuses on Business Consulting and Back Office Outsourcing.Read More
Industries
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5931Undisclosed10 - 49 employeesProvidencia, ChileOpenAgents is an AI development company founded in 2019. The team provides Artificial Intelligence and Call Center Services.Read More
Industries
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5932$5,000+10 - 49 employeesKnoxville, TNBizSprints is a CRM consulting and SI company. The Knoxville, Tennessee-based firm was founded in 2016. Their services include CRM consulting and SI and unified communications consulting & SI.Read More
Industries
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5933$1,000+10 - 49 employeesIn London, England and Dhaka, Bangladesh, RPSI Limited: TECH-TEEM is a small Back Office Outsourcing company. The team focuses on Back Office Outsourcing and Call Center Services.Read More
Industries
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5934$1,000+10 - 49 employeesThiruvananthapuram, IndiaDomshark is a Back Office Outsourcing company. The team offers Back Office Outsourcing and Customer Service Outsourcing and is headquartered in Thiruvananthapuram, India.Read More
Industries
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5935Undisclosed10 - 49 employeesWoonsocket, RISalesAmp is a Content Marketing company. They are based in Woonsocket, Rhode Island and have small team. Their team provides Content Marketing and Sales Outsourcing.Read More
Industries
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5936Undisclosed10 - 49 employeesChișinău, MoldovaLislex is a Marketing Strategy company. Headquartered in Chișinău, Moldova, their small team provides Marketing Strategy and Email Marketing. The company was launched in 2017.Read More
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5937$1,000+10 - 49 employeesRiverstone, AustraliaAuxilio Business Solutions Pty Ltd is a Back Office Outsourcing company. The firm is in Riverstone, Australia. Their services include Back Office Outsourcing and Graphic Design.Read More
Industries
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5938Undisclosed10 - 49 employeesStuttgart, GermanyFounded in 2021, Connect Company, a small Email Marketing company, is in Stuttgart, Germany. Their team focuses on Email Marketing and Sales Outsourcing.Read More
Industries
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5939$1,000+10 - 49 employeesNew Delhi, IndiaPublic relations firm Lexicon World was established in 1996. The company offers Public Relations and Sales Outsourcing.Read More
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5940$10,000+10 - 49 employeesAhmedabad, IndiaBusiness Consulting company Bigwiggin Solutions LLP was launched in 2022. The small team specializes in Business Consulting and Finance & Accounting Outsourcing (FAO).Read More
Industries
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