Top 100 Outsourced Customer Support Services

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Top 100 Outsourced Customer Support Services

The Best of December 2025
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. 
Jump to Most Reviewed Companies

List of the Best Customer Support Companies

  • 61
    (2 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.3

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Beograd, Serbia

    Established in 2016, GDC Services is a cloud consulting & SI company. The midsize team focuses on cloud consulting & SI, Customer Service Outsourcing, IT managed services, Application Management & Support, and more. The firm is located in Beograd, Serbia and Beograd, Serbia.

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    Industries

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  • 62
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Cluj-Napoca, Romania

    FSPGlobal is a call center founded in 2008. They are based in Cluj-Napoca, Romania and have a midsize team. The company provides voice services.

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    Industries

  • 63
    (12 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    Scottsdale, AZ

    Intelemark is an appointment setting and B2B lead generation company based in Scottsdale, Ariz. The company, founded in 1999, has more than 25 employees who provide voice and other marketing services to various companies.

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    Clients

    Dow Jones

    Industries

  • 64
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    4.8
    $1,000+
    50 - 249 employees
    Oakland, CA

    Located in Oakland, California, Telecom, Inc. Is an answering service. The midsize agency was established in 1993. Their services include voice services and non-voice bpo/back office services.

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    Industries

  • 65
    (7 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Armenia, Colombia

    Founded in 2019, Sharkhelpers is a Staffing company. Located in Sunrise, Florida and Armenia, Colombia, their small team specializes in Staffing, Recruiting, Back Office Outsourcing, Customer Service Outsourcing, and more.

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    Industries

  • 66
    (6 Reviews) 4.2

    Timeliness

    4.3

    Service Excellence

    4.3

    Value

    4.3

    Would Recommend

    4.4
    $1,000+
    1,000 - 9,999 employees
    Gurugram, India

    MattsenKumar is a back office services provider based in Woodburn, Ore., with an office in Gurgaon, India. Founded in 2010, MattsenKumar's team of 364 employees offers voice/call center services and non-voice BPO/back office services.

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    Industries

  • 67
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    4.0

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    Kantipur Management Private Limited, a marketing strategy company, was launched in 2014. Their large team is headquartered in Kathmandu, Nepal; Lalitpur, Nepal and Lalitpur, Nepal and specializes in marketing strategy, corporate training, customer service outsourcing, and hr consulting.
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    Industries

  • 68
    (12 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Vilnius, Lithuania
    Customer Service Outsourcing company Ansvery was founded in 2012. The midsize Vilnius, Lithuania-based team focuses on Customer Service Outsourcing, AI Agents, and AI Consulting.
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    Industries

  • 69
    (32 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    5.0
    Undisclosed
    250 - 999 employees
    LEX Reception is a midsize telephone answering service. The Portland, Oregon-based firm was founded in 2012. Their services include Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing.
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    Clients

    The Law Office of Robert David Malove

    Industries

  • 70
    (4 Reviews) 4.6

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.3

    Would Recommend

    4.6
    $1,000+
    1,000 - 9,999 employees
    Pasig, Philippines
    Acquire Intelligence is a Back Office Outsourcing company. The large Pasig, Philippines-based team offers Back Office Outsourcing, Customer Service Outsourcing, Call Center Services, and Sales Outsourcing. The agency was launched in 2005.
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    Clients

    Flexigroup

    Industries

  • 71
    (27 Reviews) 4.5

    Timeliness

    0.8

    Service Excellence

    0.9

    Value

    0.8

    Would Recommend

    4.4
    Undisclosed
    250 - 999 employees

    Evoice is a phone services firm headquartered in Los Angeles California, that was established in 1995. Their team of over 1,000 employees offers voice services, transcription, inbound appointment scheduling, and virtual receptionist services.

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    Clients

    Fire Recovery USA

    Industries

  • 72
    (3 Reviews) 4.7

    Timeliness

    4.0

    Service Excellence

    4.5

    Value

    4.3

    Would Recommend

    4.8
    $1,000+
    1,000 - 9,999 employees
    Makati, Philippines

    Cloudstaff is a Back Office Outsourcing company. They are in Makati, Philippines and Sydney, Australia and have a large team. Their services include Back Office Outsourcing, Custom Software Development, Accounting, Customer Service Outsourcing, and more.

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    Clients

    Vistra

    Industries

  • 73
    (4 Reviews) 4.6

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    4.8
    $5,000+
    250 - 999 employees
    Beverly, MA

    OnBrand24 is a call center services company from Beverly, Mass. with offices in Savannah, Ga., Portsmouth, N.H., and Boston. It was founded in 1980 and has grown to a team of about 225 employees. OnBrand24 offers both voice services and non-voice/BPO back office services to mid-size and large enterprise clients.

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    Clients

    Southwest Indian Foundation

    Industries

  • 74
    (12 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $100,000+
    10,000+ employees
    Singapore
    TDCX, a Customer Service Outsourcing company, is headquartered in Singapore; Kuala Lumpur, Malaysia; Ratchathewi, Thailand and Pasig, Philippines. The large agency was founded in 1995. Their services include Customer Service Outsourcing, Sales Outsourcing, Business Consulting, and Call Center Services.
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    Industries

  • 75
    (19 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.8
    Undisclosed
    50 - 249 employees
    Margate, FL

    Established in 1974, Answering Service Care is a telephone answering service. The company focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Business Consulting, and more and has a midsize team. The company is based in Margate, Florida; Hamilton Township, New Jersey and Rocky Mount, North Carolina.

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    Clients

    Keiser University

    Industries

  • 76
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Oulad Bouʼabid, Morocco
    Customer service outsourcing company CALLINNOV is in Oulad Bouʼabid, Morocco. The midsize agency was launched in 2010. Their services include customer service outsourcing, call center services, and back office outsourcing.
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    Clients

    TekTV Shop

    Industries

  • 77
    (5 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    Ho Chi Minh City, Vietnam
    Accounting company Innovature: AI-Driven Outsourcing Partner was established in 2015. The midsize Ho Chi Minh City, Vietnam-based team provides Accounting, Customer Service Outsourcing, BI & big data consulting & SI, Call Center Services, and more.
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    Industries

  • 78
    (7 Reviews) 4.6

    Timeliness

    2.1

    Service Excellence

    2.0

    Value

    2.1

    Would Recommend

    4.7
    Undisclosed
    250 - 999 employees
    Portland, OR

    Ruby Receptionists is a voice services firm based in Portland, Oregon, that was established in 2003. Their team of more than 250 employees offers voice call support, appointment management, and conventional answering services.

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    Clients

    Conroy Consults

    Industries

  • 79
    (17 Reviews) 4.5

    Timeliness

    4.4

    Service Excellence

    4.6

    Value

    4.4

    Would Recommend

    4.5
    $5,000+
    1,000 - 9,999 employees
    Mahwah, NJ

    DialAmerica is a business process outsourcing firm headquartered in Mahwah, N.J. with offices in New York City, Athens, Ga., Charleston, and Cleveland. Founded in 1957, they have over 5000 employees. Their services include voice call process outsourcing, but they offer non-voice services as well. 

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    Clients

    TIME Magazine

    Industries

  • 80
    (9 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Sofia, Bulgaria
    MarKam Solutions is a call center company. Their midsize team is in Sofia, Bulgaria and offers Call Center Services, Customer Service Outsourcing, Sales Outsourcing, IT managed services, and more. The agency was established in 2021.
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    Industries

  • 81
    (10 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.7

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    L'viv, Ukraine

    Located in Lviv, Ukraine, BPO Nextdoor is a non-voice bpo/back office services company. The midsize team specializes in non-voice bpo/back office services and was founded in 2012.

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    Industries

  • 82
    (1 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    4.5
    Undisclosed
    1,000 - 9,999 employees
    Sydney, Australia
    Satellite Office is a Back Office Outsourcing company. They provide Back Office Outsourcing, Finance & Accounting Outsourcing (FAO), HR Outsourcing, IT staff augmentation, and more and were founded in 2013. The firm is based in Sydney, Australia; Reno, Nevada and Taguig, Philippines.
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    Clients

    King Living ELB Solutions Chatime News Corp

    Industries

  • 83
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    Quezon City, Philippines
    IT staff augmentation company Outsourced was established in 2012. Their large team is in Quezon City, Philippines; Muntinlupa, Philippines; Quezon City, Philippines and Quezon City, Philippines and focuses on IT staff augmentation, Back Office Outsourcing, Finance & Accounting Outsourcing (FAO), Customer Service Outsourcing, and more.
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    Industries

  • 84
    (8 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    1,000 - 9,999 employees
    Outsource and Save is a large call center in Los Angeles, California; Los Angeles, California; Lynwood, California and West Covina, California. Established in 2018, the team provides Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing.
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    Industries

  • 85
    (3 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    5.0

    Value

    3.8

    Would Recommend

    4.8
    $1,000+
    250 - 999 employees
    Kyiv, Ukraine

    Answering service Global Bilgi was established in 2008. Their midsize team is in Kyiv, Ukraine and Dnipro, Ukraine. Their services include voice services, non-voice bpo/back office services, CRM consulting and SI, HR services, and more.

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    Industries

  • 86
    (4 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.5
    $5,000+
    50 - 249 employees
    Islamabad, Pakistan

    Business consulting company Phi Consulting LLC was established in 2019. Their midsize team is based in Aurora, Colorado and Islamabad, Pakistan. Their services include business consulting.

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    Clients

    AtoB DigitalOcean TruckX Mudflap

    Industries

  • 87
    (10 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    Davao City, Philippines
    Large phone answering service six eleven global services, is based in Davao City, Philippines and Davao City, Philippines. They focus on Call Center Services, Back Office Outsourcing, and Customer Service Outsourcing and were founded in 2006.
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    Industries

  • 88
    (3 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.7

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Peoria, AZ

    Gabtech Global LLC is a customer service outsourcing company. Founded in 2009, the midsize agency is in Peoria, Arizona. Their team focuses on customer service outsourcing, HR services, call center services, IT staff augmentation, and more.

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    Industries

  • 89
    (58 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Toronto, Canada

    Veta Virtual Receptionist is a phone answering service. They are headquartered in Toronto, Canada and have a small team that provides voice services. The company was founded in 2020.

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    Industries

  • 90
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    Makati, Philippines

    Penbrothers, a Back Office Outsourcing company, is in Makati, Philippines and Mandaluyong, Philippines. The large team specializes in Back Office Outsourcing, Staffing, Recruiting, PEO/Employee Leasing, and more. The firm was launched in 2014.

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    Industries

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