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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4321Undisclosed50 - 249 employeesAndover, MNBack Office Outsourcing company SMA Support Services is in Andover, Minnesota. They offer Back Office Outsourcing and Customer Service Outsourcing.Read More
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4322$1,000+10 - 49 employeesMorrisville, NCRelaytask is a Back Office Outsourcing company. They are located in Morrisville, North Carolina and have a small team. Their services include Back Office Outsourcing, Call Center Services, Customer Service Outsourcing, Document Digitization & Management, and more.Read More
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4323$1,000+2 - 9 employeesSales Outsourcing company Leadbase specializes in Sales Outsourcing and Content Marketing. They are located in London, England.Read More
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4324$1,000+2 - 9 employeesIn Ahmedabad, India, Thirteen Hire Solutions is a Back Office Outsourcing company. They focus on Back Office Outsourcing and Content Writing Services and were established in 2025.Read More
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4325$1,000+2 - 9 employeesSan Diego, CAWAVE.BAND is an other IT consulting and SI company based in San Diego, California. Launched in 2016, the team offers other IT consulting and SI and Call Center Services.Read More
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4326$1,000+10 - 49 employeesBack Office Outsourcing company TwoStaff is based in London, England and Ahmedabad, India. They focus on Back Office Outsourcing and Call Center Services and were founded in 2022.Read More
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4327$5,000+10 - 49 employeesLondon, EnglandHeadquartered in London, England, Vizgo Technologies is a Customer Service Outsourcing company. Established in 2024, the small team focuses on Customer Service Outsourcing and Call Center Services.Read More
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4328$10,000+10 - 49 employeesRead More
B2Blaze is a sales outsourcing company established in 2022. The agency offers sales outsourcing and has a small team.
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4329$1,000+10 - 49 employeesKolkata, IndiaCallforce Global Technology is a small Back Office Outsourcing company launched in 2017. Their team specializes in Back Office Outsourcing and Transcription.Read More
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4330$1,000+10 - 49 employeesMedellín, ColombiaTelephone answering service GAB Soluciones is in Panamá, Panama and Medellín, Colombia. Established in 2018, the team provides Call Center Services and Finance & Accounting Outsourcing (FAO).Read More
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4331$1,000+10 - 49 employeesBohemia, NYIRecruit Tech is a Back Office Outsourcing company founded in 2016. Their team provides Back Office Outsourcing and Call Center Services.Read More
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4332Undisclosed10 - 49 employeesHouston, TXTelemedRN, a small Back Office Outsourcing company, is headquartered in Houston, Texas. The team offers Back Office Outsourcing and Call Center Services.Read More
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4333$1,000+10 - 49 employeesAba, NigeriaDarlington Media Tech Agency is a small Aba, Nigeria-based IT strategy consulting company. The team provides IT strategy consulting and Sales Outsourcing.Read More
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4334$1,000+10 - 49 employeesRocket Consulting is a branding agency. The firm is headquartered in Dover, Delaware. Their services include Branding and Call Center Services.Read More
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4335$5,000+10 - 49 employeesClearwater, FLIn Clearwater, Florida and Pune, India, Core BI Solutions is a CRM consulting and SI company. They offer CRM consulting and SI and Sales Outsourcing and were established in 2023.Read More
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4336Undisclosed10 - 49 employeesLisboa, PortugalMcLeads, a Sales Outsourcing company, is in Lisboa, Portugal and Dhaka, Bangladesh. Their services include Sales Outsourcing and Email Marketing.Read More
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4337Undisclosed10 - 49 employeesBusiness Consulting company GABEL M.E.C.A. GmbH & Co KG is in Euskirchen, Germany. Their services include Business Consulting and Sales Outsourcing.Read More
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4338Undisclosed10 - 49 employeesRetentive Billing is a telephone answering service established in 2021. The company offers Call Center Services and Back Office Outsourcing, and is small.Read More
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4339Undisclosed10 - 49 employeesTalentpa LLC is a Customer Service Outsourcing company. Located in Dhaka, Bangladesh, the company offers Customer Service Outsourcing and Sales Outsourcing.Read More
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4340$1,000+10 - 49 employeesBirmingham, EnglandConnect Solutions Hub is a call center. Their small team is located in Birmingham, England and offers Call Center Services and Back Office Outsourcing. The firm was established in 2024.Read More
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4341Undisclosed10 - 49 employeesFluten.ai, a small telephone answering service, is in Los Angeles, California. Their services include Call Center Services and Artificial Intelligence.Read More
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4342$25,000+10 - 49 employeesAntwerpen, BelgiumAbyssinia Connect Technologies, a call center company, was established in 2006. The firm offers Call Center Services and Back Office Outsourcing.Read More
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4343Undisclosed10 - 49 employeesLumevo LLC is a Back Office Outsourcing company. They were founded in 2025 and offer Back Office Outsourcing and IT managed services.Read More
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4344$1,000+10 - 49 employeesTelephone answering service Bluesum provides Call Center Services and Back Office Outsourcing. They are in McLean, Virginia.Read More
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4345$5,000+10 - 49 employeesPriorityOne BPO is a small call center service launched in 2021. Their services include Call Center Services and Customer Service Outsourcing.Read More
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4346$1,000+10 - 49 employeesFounded in 2025, AriseCX is a small answering service company. Their team offers Call Center Services and Customer Service Outsourcing.Read More
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4347$1,000+10 - 49 employeesCairo, EgyptQuick Tech Solutions, a Customer Service Outsourcing company, is based in Cairo, Egypt. Launched in 2025, the team specializes in Customer Service Outsourcing and Call Center Services.Read More
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4348$50,000+10 - 49 employeesSoft elevation Healthcare is a Back Office Outsourcing company. They are located in Las Vegas, Nevada and have small team. They offer Back Office Outsourcing and Call Center Services.Read More
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4349$1,000+10 - 49 employeesFushë-Kosovë, AlbaniaTeledag is a call center company founded in 2026. Their services include Call Center Services and Customer Service Outsourcing.Read More
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4350$10,000+10 - 49 employeesSandton, South AfricaEdgeprocx is a call center company. They specialize in Call Center Services and Back Office Outsourcing and are based in Sandton, South Africa.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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