Top 100 Outsourced Customer Support Services
The Best of November 2026
Customer support refers to the service or assistance provided by businesses to their customers — before, during, and after the purchase. Its goal is to ensure customer satisfaction, immediately resolving any concerns and issues that might affect their experience with the company. Investing in high-quality customer support services should be a priority for every company, regardless of size and industry.
Outsourced customer support companies are third-party vendors specializing in providing different types of support or assistance for businesses. These companies have dedicated agents and professionals who can effectively handle inquiries and resolve concerns via call, email, or chat. They may also provide more in-depth services such as product demonstrations, troubleshooting support, customer feedback gathering, and returns and exchanges processing. Overall, their work is important for retaining customers and boosting brand loyalty.
Jump to Most Reviewed Companies
List of the Best Customer Support Companies
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1651Undisclosed50 - 249 employeesBangkok, ThailandAl-Karim Global is a Business Consulting company. Their team is headquartered in Bangkok, Thailand. The agency provides Business Consulting and Customer Service Outsourcing.Read More
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1652Undisclosed50 - 249 employeesVIRTUAL ASSISTANT HOUSE is a Customer Service Outsourcing company. They were established in 2019, and their services include Customer Service Outsourcing and Call Center Services.Read More
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1653Undisclosed50 - 249 employeesSheridan, WYBusiness Continuity Management company BoundBot was founded in 2025. The midsize team offers Business Continuity Management and Customer Service Outsourcing.Read More
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1654$1,000+50 - 249 employeesStealth Agents is a Back Office Outsourcing company. The team specializes in Back Office Outsourcing and Customer Service Outsourcing, and the company is located in Cherry Hill Township, New Jersey.Read More
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1655$1,000+50 - 249 employeesMendrisio, SwitzerlandCXC is a Customer Service Outsourcing company. Launched in 2025, the agency is located in Mendrisio, Switzerland. Their team offers Customer Service Outsourcing and Call Center Services.Read More
Industries
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1656$10,000+1,000 - 9,999 employeesSanto Tomas, PhilippinesDOZ Outsourcing Services OPC, a large phone answering service, is located in Santo Tomas, Philippines. Their services include Call Center Services and Business Consulting.Read More
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1657$5,000+50 - 249 employeesSales Outsourcing company Sabtrix was launched in 2025. The team specializes in Sales Outsourcing and Customer Service Outsourcing and is located in Atlanta, Georgia and Atlanta, Georgia.Read More
Industries
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1658$5,000+50 - 249 employeesSupline is a midsize Back Office Outsourcing company located in Tashkent, Uzbekistan. Their services include Back Office Outsourcing and Customer Service Outsourcing.Read More
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1659Undisclosed50 - 249 employeesCall center FC Solutions focuses on Call Center Services and Customer Service Outsourcing. They are headquartered in Piscataway, New Jersey.Read More
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1660$1,000+50 - 249 employeesStratifyCX is a call center. They offer Call Center Services and Customer Service Outsourcing and were founded in 2025. The agency is based in Edinburg, Texas.Read More
Industries
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1661$5,000+50 - 249 employeesORATIO d.o.o. Is a Customer Service Outsourcing company. They provide Customer Service Outsourcing and Call Center Services and are headquartered in Sarajevo, Bosnia and Herzegovina.Read More
Industries
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1662$5,000+50 - 249 employeesLaunched in 2025, Mayrirensu is a call center company. The midsize team offers Call Center Services and Customer Service Outsourcing.Read More
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1663$5,000+50 - 249 employeesKarachi, PakistanTelephone answering service VB Systems was launched in 2021. The firm offers Call Center Services and Customer Service Outsourcing, and is midsize.Read More
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1664Undisclosed2 - 9 employeesRomford, EnglandBusinAssist, a Business Consulting company, is headquartered in Romford, England. The firm provides Business Consulting, Call Center Services, Back Office Outsourcing, and Customer Service Outsourcing and has a small team.The firm was launched in 2016.Read More
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1665$1,000+10 - 49 employeesRead More
Affiliated Outsourcing is a business process outsourcing firm headquartered in Los Angeles; the main call center is in Bacolod City, Philippines. Founded in 2016, Affiliated Outsourcing has just under 50 employees. They offer voice and non-voice outsourcing services, including medical billing, telemarketing, and data entry. Clients are in a range of sectors including retail, manufacturing, and financial services.
Clients
HasTechIndustries
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1666Undisclosed50 - 249 employeesHo Chi Minh, VietnamFounded in 2019, Civil Engineering & CAD Drafting Services is a midsize Architectural Design company in Ho Chi Minh, Vietnam. Their team specializes in Architectural Design and Engineering.Read More
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1667$1,000+250 - 999 employeesPasig, PhilippinesStaff Domain Inc. Is a Back Office Outsourcing company. They offer Back Office Outsourcing and Accounting and were established in 2017.Read More
Industries
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1668$1,000+10 - 49 employeesFounded in 2017, Virtual Sourcing Solutions is a small St. Petersburg, Florida-based IT staff augmentation company. Their services include IT staff augmentation and Back Office Outsourcing.Read More
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1669$1,000+250 - 999 employeesBucurești, RomaniaCALLITY is a Back Office Outsourcing company. Their midsize team is based in București, Romania. Their services include Back Office Outsourcing and CRM consulting and SI.Read More
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1670$1,000+250 - 999 employeesRichmond, CanadaGlen Group is a Commercial Development company established in 2015. The team provides Commercial Development and Customer Service Outsourcing and is based in Richmond, Canada and Surrey, Canada.Read More
Industries
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1671$1,000+250 - 999 employeesColumbus, OHPrimeSync is an answering service. The Columbus, Ohio-based agency was launched in 2023. Their team offers Call Center Services and Artificial Intelligence.Read More
Industries
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1672$1,000+250 - 999 employeesLusaka, ZambiaLaunched in 2010, FSI Outsourcing is a call center company. The team provides Call Center Services and Back Office Outsourcing.Read More
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1673Undisclosed250 - 999 employeesResolv.Global is a Staffing company. The firm is based in Plano, Texas. Their team focuses on Staffing and Employer of Record (EOR) Services.Read More
Industries
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1674Undisclosed10 - 49 employeesFounded in 2008, Pam's VAS is a small Levittown, Pennsylvania-based Back Office Outsourcing company. Their team provides Back Office Outsourcing and Customer Service Outsourcing.Read More
Industries
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1675$5,000+10 - 49 employeesMobilize.AI LLC, a telephone answering service, was founded in 1995. The team specializes in Call Center Services and Customer Service Outsourcing.Read More
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1676$1,000+10 - 49 employeesBronx, NYCommercial Financing company Bl Leads was founded in 2014. The team offers Commercial Financing and Finance & Accounting Outsourcing (FAO) and is located in Bronx, New York.Read More
Industries
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1677Undisclosed10 - 49 employeesFife, WAPro Call Center Inc is a Fife, Washington-based answering service. They specialize in Call Center Services and Customer Service Outsourcing.Read More
Industries
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1678$1,000+10 - 49 employeesJaipur, IndiaEsteem Host is an IT strategy consulting company. Their team is headquartered in Jaipur, India and focuses on IT strategy consulting and IT managed services.Read More
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1679Undisclosed10 - 49 employeesAmericas Survey Company is a phone answering service launched in 1998. The small team provides Call Center Services and Customer Service Outsourcing.Read More
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1680$1,000+10 - 49 employeesSacramento, CAFounded in 2021, Quantamnest is an e-commerce development firm. The small team focuses on E-Commerce Development and Business Consulting.Read More
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