Top 100 Call Center Services

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Top 100 Call Center Services

The Best of December 2025
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. 
Jump to Most Reviewed Companies

List of the Best Voice Services Providers on the Market

  • 121
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees

    Market research company TaskDrive is based in Walnut, California. The midsize team offers market research, conversion optimization, CRM consulting and SI, digital strategy, and more. The company was launched in 2014.

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    Industries

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  • 122
    (23 Reviews) 4.7

    Timeliness

    4.8

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    4.7
    $1,000+
    1,000 - 9,999 employees
    Bengaluru, India

    Flatworld Solutions is an outsourcing company headquartered in Princeton, N.J. Founded in 2006, they have a team of over 750 employees. The firm's international offices are based across India, the U.K, and the Philippines and has experience in nonvoice/ back office, transcription, and call center services. Their Clients mostly work in manufacturing, education, and healthcare industries. 

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    Clients

    MSN

    Industries

  • 123
    (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

  • 124
    (8 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees

    Founded in 2015, Smashdeck helps clients with their outreach efforts. Headquartered in Temecula, Calif. their team of 9 focuses efforts on voice services.

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    Clients

    Hilton Publishing

    Industries

  • 125
    (4 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Pasig, Philippines
    In Pasig, Philippines; Pasig, Philippines and Newark, California, TRU29 Solutions Inc. Is an Employer of Record (EOR) Services company. The company focuses on Employer of Record (EOR) Services, Call Center Services, Back Office Outsourcing, and IT strategy consulting and is midsize.The company was established in 2015.
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    Clients

    Casera

    Industries

  • 126
    (29 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.7

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    Afton, WY

    Wow24-7 is an omnichannel customer outsourcing company based in Kyiv, Ukraine. Founded in 2016, Wow24-7 provides non-voice BPO/back office services and voice services.

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    Clients

    The App Solutions

    Industries

  • 127
    (33 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Wrocław, Poland
    Casbeg, a Business Consulting company, was founded in 2017. Their small team is located in Wrocław, Poland and specializes in Business Consulting, Sales Outsourcing, Marketing Strategy, CRM consulting and SI, and more.
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    Clients

    Google Diverse Pneumat Symfonia

    Industries

  • 128
    (17 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.9

    Value

    4.3

    Would Recommend

    4.9
    Undisclosed
    50 - 249 employees
    Butler, NJ

    Anserve Inc. is a phone answering services provider based in Butler, N.J. The company, founded in 1969, has more than 50 employees and provides voice services to mid-market and small companies and institutions in the medical, consumer products & services, dental, government, legal, and utilities industries.

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    Clients

    Aspen Medical Associates

    Industries

  • 129
    (28 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Dubai, United Arab Emirates
    Event Marketing company Division50 was established in 2021. Their midsize team is located in Dubai, United Arab Emirates and Riyadh, Saudi Arabia. Their services include Event Marketing, Demand Generation Marketing, Call Center Services, Sales Outsourcing, and more.
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    Clients

    Oracle

    Industries

  • 130
    (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

  • 131
    (6 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Lahore, Pakistan

    HiredSupport is a non-voice bpo/back office services company founded in 2015. Their midsize team is in Rancho Cucamonga, California and Lahore, Pakistan. Their services include non-voice bpo/back office services, voice services, and transcription.

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    Clients

    HealthyStuff.com

    Industries

  • 132
    (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

  • 133
    (3 Reviews) 4.5

    Timeliness

    4.2

    Service Excellence

    3.8

    Value

    4.2

    Would Recommend

    4.3
    $10,000+
    250 - 999 employees
    Kuala Lumpur, Malaysia

    SRG ASIA PACIFIC is a midsize call center service. Located in Kuala Lumpur, Malaysia, the firm was launched in 1996. Their team offers voice services, market research, business consulting, HR services, and more.

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    Clients

    Telco

    Industries

  • 134
    (10 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.7
    $5,000+
    10 - 49 employees
    UltB is a sales outsourcing company based in Nürnberg, Germany. The small team offers sales outsourcing, email marketing, and CRM consulting and SI and was established in 2021.
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    Clients

    Advanced Web Ranking The Great People Agency Ufleet My Deco

    Industries

  • 135
    (44 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Countesthorpe, England
    Located in Countesthorpe, England, Paragon Sales Solutions is a social media marketing firm. The small team provides Social Media Marketing, Call Center Services, Sales Outsourcing, Other Marketing, and more and was established in 2018.
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    Clients

    App Sapiens

    Industries

  • 136
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Columbus, GA

    Voice Link of Columbus, Inc. Is a phone answering service. The small Columbus, Georgia-based firm was established in 1989. Their services include voice services.

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    Industries

  • 137
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    5.0
    $25,000+
    250 - 999 employees
    Orem, UT

    Squeeze Media is a voice services provider based in Orem, Utah. Their team of over 50 supports businesses of all sizes across a range of industries, such as financial services, health care, and consumer products. Founded in 2009, they also provide non-voice BPO services.

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    Clients

    American Standard

    Industries

  • 138
    (22 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    Sofia, Bulgaria

    Mercatus is a boutique BPO and ITO service and solution provider from Sofia, Bulgaria founded in 2018. With a team of about 20 employees, they offer their clientele voice services, business consulting, IT staff augmentation, back-office services, and more.

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    Clients

    J2 GLobal

    Industries

  • 139
    (32 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Manila, Philippines

    Aidey is a business process outsourcing company based in Tel Aviv, Israel and founded in 2017. Managed by more than 10 people, they offer IT managed services, IT consulting and SI, and voice services for small and medium-sized businesses alike.

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    Clients

    MyCheck

    Industries

  • 140
    (12 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Kyiv, Ukraine

    Opus Growth Partners is a phone answering service. They are located in Ukrainka, Ukraine and have a midsize team. Their services include voice services, direct marketing, and email marketing.

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    Industries

  • 141
    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    4.8
    $1,000+
    50 - 249 employees
    Amritsar, India
    Telephone answering service Octopus Tech Solutions was established in 2011. They are based in Amritsar, India; Gurugram, India; Chandigarh, India and Bengaluru, India and have a midsize team. Their services include Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Search Engine Optimization, and more.
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    Clients

    Club Factory

    Industries

  • 142
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Kyiv, Ukraine

    Intellink is a Data management company in Ukraine. Founded in 2020, they have over 50 employees with clients in hospitality, education, transportation, medicine, and consumer products. Their services include Data annotation and Data collection. 

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    Clients

    EcoSoft

    Industries

  • 143
    (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

  • 144
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Karachi, Pakistan
    Munzai Solutions, a Sales Outsourcing company, was launched in 2022. The agency provides Sales Outsourcing, Call Center Services, CRM consulting and SI, and Customer Service Outsourcing and has a small team.
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    Industries

  • 145
    (27 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    London, England
    Friday Solved, a business consulting company, is based in London, United Kingdom. They offer business consulting, marketing strategy, content marketing, content writing services, and more and were established in 2018.
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    Industries

  • 146
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Bengaluru, India

    Established in 2017, LeadStrategus is a small sales outsourcing company based in Bengaluru, India. Their services include sales outsourcing, market research, marketing strategy, social media marketing, and more.

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    Industries

  • 147
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Karachi, Pakistan
    Experts Helping Businesses, a Customer Service Outsourcing company, is in Karachi, Pakistan. The midsize agency was founded in 2017. Their services include Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, and Sales Outsourcing.
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    Industries

  • 148
    (7 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    Medellín, Colombia
    Solvo Global is a Back Office Outsourcing company. Founded in 2018, the large firm is headquartered in Chandler, Arizona; Medellín, Colombia and Duluth, Georgia. Their services include Back Office Outsourcing, Call Center Services, Finance & Accounting Outsourcing (FAO), Staffing, and more.
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    Clients

    CenCal Insurance Services

    Industries

  • 149
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.9
    Undisclosed
    10 - 49 employees
    Sharjah, United Arab Emirates

    Launched in 2004, Contactopia is a midsize phone answering service. Their services include voice services and non-voice bpo/back office services. The company is headquartered in Sharjah, United Arab Emirates.

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    Industries

  • 150
    (14 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Walker, MI

    Real IT Solutions, Inc. is an IT services company based in Comstock Park, Mich. The company, founded in 2006, has a team of around ten that provides IT managed services, cybersecurity, cloud consulting & SI, IT strategy consulting, and voice services. Real IT Solutions serves small companies in various industries that include manufacturing.

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    Clients

    Automatic Spring Products

    Industries

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