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

  • 211
    (12 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Gurugram, India
    Located in Gurugram, India and Gurugram, India, Tech Fi Technologies is a call center service. The midsize team offers Call Center Services, Customer Service Outsourcing, Content Moderation Services, Sales Outsourcing, and more. The firm was established in 2016.
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    Industries

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  • 212
    (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

  • 213
    (15 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $5,000+
    10 - 49 employees
    Chennai, India
    Leadle Consulting is a small Sales Outsourcing company in Chennai, India. They provide Sales Outsourcing, Account-Based Marketing, AI Agents, Marketing Strategy, and more and were launched in 2016.
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    Industries

  • 214
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Belize City, Belize
    Protel BPO is a phone answering service. They are in Belize City, Belize and Los Angeles, California and have a midsize team. The firm offers Call Center Services, Customer Service Outsourcing, and Back Office Outsourcing.
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    Industries

  • 215
    (2 Reviews) 1.8

    Timeliness

    3.3

    Service Excellence

    2.3

    Value

    1.5

    Would Recommend

    2.0
    $5,000+
    50 - 249 employees
    Poundbury, England

    Gungho Marketing , an email marketing and sales outsourcing company, is based in , United Kingdom. The firm offers email marketing and sales outsourcing and has a midsize team.The firm was established in 2007.

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    Industries

  • 216
    (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

  • 217
    (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

  • 218
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    10 - 49 employees
    Singapore, Singapore

    Kazehi Global, a direct marketing company, is in , Singapore. They focus on direct marketing, voice services, and corporate training and were launched in 2019.

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    Clients

    SMRT

    Industries

  • 219
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Columbus, OH

    Caret, a small market research company, is based in Columbus, Ohio; Phillipsburg, New Jersey and Kansas City, Missouri. Established in 2021, the team specializes in market research, sales outsourcing, marketing strategy, direct marketing, and more.

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    Industries

  • 220
    (6 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    5.0
    $50,000+
    250 - 999 employees
    Salisbury, NC

    GCS Agents is a contact center firm in Salisbury, N.C., founded in 2001. The team of 300 specializes in voice services, consulting, and BPO services for its majority midmarket clients across multiple industries. 

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    Industries

  • 221
    (7 Reviews) 4.6

    Timeliness

    4.4

    Service Excellence

    4.6

    Value

    4.5

    Would Recommend

    4.7
    Undisclosed
    50 - 249 employees
    Gastonia, NC

    AnswerLive is a call center and BPO agency founded in 1982. They have headquarters in Gastonia, N.C. and additional offices in Grants Pass, Ore. and Lubbock, Texas. Their team of 11 specialists offers voice services and non-voice BPO primarily to small businesses. 
     

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    Clients

    Robert R. McGill Air Conditioning INC
  • 222
    (5 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    Undisclosed
    250 - 999 employees
    Beograd, Serbia
    Silver Bell Group is a social media marketing agency based in Beograd, Serbia. The midsize company was launched in 2014. Their services include social media marketing, blockchain, customer service outsourcing, commercial property management, and more.
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    Industries

  • 223
    (4 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.4

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    San José, Costa Rica

    Mutare is a conversion optimization company. They are headquartered in Middletown, Delaware; San José, Costa Rica and Barcelona, Spain and have a small team that specializes in conversion optimization, sales outsourcing, email marketing, digital strategy, and more. The company was launched in 2017.

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    Industries

  • 224
    (13 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Amsterdam, Netherlands

    SalesSource, a sales outsourcing company, is headquartered in Amsterdam, Netherlands and Utrecht, Netherlands. The small team offers sales outsourcing, digital strategy, content marketing, and business consulting and was founded in 2021.

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    Clients

    Universal Pictures

    Industries

  • 225
    (3 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    250 - 999 employees
    Farmers Branch, TX
    Based in Farmers Branch, Texas; Ciudad de México, Mexico; San Pedro Sula, Honduras and Vadodara, India, Relay Human Cloud is a telephone answering service. The midsize company was founded in 2021. Their services include Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, Sales Outsourcing, and more.
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    Industries

  • 226
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    London, England
    Established in 2023, Spring Drive is a Sales Outsourcing company. The firm focuses on Sales Outsourcing and has a small team. The firm is in London, England.
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  • 227
    (13 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Medellín, Colombia

    Parrolabs is a development company based in Colombia with offices in Medellin and Bogota. Founded in 2015, the team of 5 provides web and mobile app development so companies of all sizes.

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    Clients

    National Geographic

    Industries

  • 228
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees

    Located in Lewes, Delaware, BlueBird Digital is a sales outsourcing company. The small firm was established in 2022. Their services include sales outsourcing, email marketing, marketing strategy, and call center services.

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    Industries

  • 229
    (3 Reviews) 4.7

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.7

    Would Recommend

    5.0
    $5,000+
    1,000 - 9,999 employees
    Houston, TX

    SupportZebra, a Customer Service Outsourcing company, was founded in 2011. The large team focuses on Customer Service Outsourcing, Back Office Outsourcing, and Call Center Services. The agency is located in Houston, Texas and Cagayan de Oro, Philippines.

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    Industries

  • 230
    (9 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Stari Bohorodchany, Ukraine

    GotYourBack Support is a back-office service company founded inV in 2019. With over 50 professionals, they offer voice and back-office services to clients ranging from startups to enterprises in the fields of IT, business services, and telecommunications.

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    Clients

    Byte Technologies

    Industries

  • 231
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    New York, NY

    FlyTech, Inc. Is a conversion optimization company headquartered in New York, New York. The small company was launched in 2020. Their team offers conversion optimization, direct marketing, and email marketing.

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    Clients

    Baselane

    Industries

  • 232
    (1 Reviews) 3.5

    Timeliness

    4.0

    Service Excellence

    3.0

    Value

    4.5

    Would Recommend

    4.0
    $1,000+
    50 - 249 employees

    Based in Knoxville, Tenn., Gabbyville is a team of virtual receptionists that specializes in voice services. Since 2013, their team of around 10 has been working with clients in different industries such as financial services, healthcare, and information technology.  

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    Clients

    T.W. Law Firm

    Industries

  • 233
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Kingston, Jamaica
    VLBPO LLC, a phone answering service, was established in 2015. The company focuses on call center services, recruiting, hr outsourcing, and hr consulting and has a midsize team.
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    Clients

    eCommerce, Law Firms, Fintech, Saas, Health

    Industries

  • 234
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Dhaka, Bangladesh
    Launched in 2018, Call Point Business Solutions Ltd. Is an answering service. Their midsize team is based in Dhaka, Bangladesh and offers Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, Sales Outsourcing, and more.
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    Clients

    Commercial Cleaning Leads Generation

    Industries

  • 235
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Scottsdale, AZ

    Back Office Betties is a virtual receptionist agency based n Scottsdale, Ariz. Founded in 2014, this company has 13 employees. Services provided by Back Office Betties are focused on voice services and receptionist work for legal firms and small businesses.

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    Clients

    Various Law Firms

    Industries

  • 236
    (8 Reviews) 4.9

    Timeliness

    4.4

    Service Excellence

    4.7

    Value

    4.9

    Would Recommend

    4.8
    $1,000+
    1,000 - 9,999 employees
    Quezon City, Philippines
    Sourcefit is an IT managed services company. The large Honolulu, Hawaii-based company was founded in 2009. Their team focuses on IT managed services, IT staff augmentation, Call Center Services, Back Office Outsourcing, and more.
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    Industries

  • 237
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Phoenix, AZ

    B2B is a Phoenix-based B2B service firm. They were founded in 2016 and their team has fewer than 10 employees. They provide clients voice services, event marketing, and direct marketing. They primarily work with enterprise and midmarket companies in the business services, IT, and financial services sectors.

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    Clients

    delivery.com

    Industries

  • 238
    (3 Reviews) 5.0

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.8
    $1,000+
    50 - 249 employees
    Knoxville, TN

    Located in Knoxville, Tenn., Taskforce BPO is a veteran-owned company that provides clients of all sizes with labor solutions. Made up of 90 employees, the company specializes in voice services and non-voice BPO/back office services. Taskforce BPO was founded in 2015 and predominantly serves clients in the healthcare, financial services, business services, and retail industries.

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    Clients

    Dental Practices

    Industries

  • 239
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Melbourne, Australia

    Established in 2021, Pointer Strategy is a sales outsourcing company. The small Melbourne, Australia-based team offers sales outsourcing.

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    Clients

    1Breadcrumb
  • 240
    (6 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    London, England
    Callpalooza, a Sales Outsourcing company, was launched in 2020. Their small team is in London, England; Barcelona, Spain and Cairo, Egypt. Their services include Sales Outsourcing, Email Marketing, Search Engine Optimization, and Content Marketing.
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    Clients

    All Services 4 U

    Industries

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