Top 100 Call Center Services

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Top 100 Call Center Services

The Best of April 2024

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

  • 31
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Plano, TX
    Located in Plano, Texas, Constructur is a marketing strategy company. Founded in 2021, the small team provides marketing strategy, call center services, back office outsourcing, and sales outsourcing.
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    Industries

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  • 32
    (7 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Paris, France
    SalesGent is a sales outsourcing company. They are headquartered in Paris, France and have a small team. Their services include sales outsourcing.
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    Clients

    • Zymplify

    Industries

  • 33
    (21 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      4.9
    • Would Recommend

      4.9
    • $1,000+
    • 250 - 999 employees
    • Warszawa, Poland

    Simply Contact is an outsourcing contact center based in Dnipro, Ukraine. The contact center, founded in 2015, has more than 400 employees and provides non-voice BPO/back office services and voice services. Simply Contact serves mid-market and other-sized companies in various industries that include hospitality & leisure; supply chain, logistics, and transport; and e-commerce.

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    Clients

    • Wizz Air

    Industries

  • 34
    (9 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • Value

      4.5
    • Would Recommend

      4.8
    • $1,000+
    • 1,000 - 9,999 employees
    • Long Beach, CA

    Located in Washington, District of Columbia and Pasig, Philippines, Boldr is a call center. Launched in 2016, the small team focuses on voice services and non-voice bpo/back office services.

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    Industries

  • 35
    (15 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • Kyiv, Ukraine

    Leading Solution is a marketing agency based in Kyiv, Ukraine, with more than two employees. They have provided direct marketing, market research, and email marketing services since their founding in 2015. They work with clients in the industries of IT services and real estate.

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    Clients

    • Adobe

    Industries

  • 36
    (81 Reviews) 4.7
    • Timeliness

      4.8
    • Service Excellence

      4.7
    • Value

      4.8
    • Would Recommend

      4.7
    • $1,000+
    • 1,000 - 9,999 employees
    • Hollywood, FL

    Remote CoWorker is a virtual assistant outsourcing company founded in 2013 and located in Hollywood, Fla. They have a team of about 10 employees who offer non-voice BPO/back office services, along with voice, finance and accounting outsourcing, and HR services. Their client base comprises small business in the real estate, business services, IT, and telecommunications industries.

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    Clients

    • Amazon

    Industries

  • 37
    (28 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $25,000+
    • 1,000 - 9,999 employees
    • Sofia, Bulgaria

    Out2Bound is a marketing agency headquartered in Sofia, Bulgaria, that was established in 2016. Their team of 20 employees offers business consulting, voice services, direct marketing, on-demand lead generation services.

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    Clients

    • Progress Software

    Industries

  • 38
    (9 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.8
    • $1,000+
    • 10 - 49 employees
    • Horsham , United Kingdom

    Small direct marketing company Virtual Sales Limited, is in Horsham , United Kingdom. They specialize in direct marketing and market research and were launched in 2001.

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    Industries

  • 39
    (5 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.0
    • Would Recommend

      4.8
    • $25,000+
    • 250 - 999 employees
    • Simi Valley, CA

    Beyond Codes Inc. is a lead generation and appointment setting company based in Simi Valley, Calif., with an office in Hammersmith, U.K. The company, founded in 2008, has almost 300 employees and provides voice services, event marketing & planning, market research, email marketing, social media marketing, and non-voice BPO/back office services. Beyond Codes Inc. serves enterprise and smaller-sized companies in IT and other industries.

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    Clients

    • EXL

    Industries

  • 40
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • L'viv, Ukraine
    Scaleuphero is a business consulting company. They are in Warszawa, Poland and have a small team. Their services include business consulting.
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    Industries

  • 41
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 50 - 249 employees
    • Hitchin, United Kingdom
    Established in 2012, Excelerate360 Ltd is a sales outsourcing company. The company focuses on sales outsourcing and has a midsize team.
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    Industries

  • 42
    (16 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Ghaziabad, India

    SalesAladin is a customer acquisition firm founded in 2016 in Ghaziabad, India. With a team of more than 40 employees, SalesAladin supplies clients in the IT, business services, and healthcare industries with content marketing, voice/call center services, and non-voice BPO/back office services.

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    Clients

    • Comviva

    Industries

  • 43
    (69 Reviews) 4.6
    • Timeliness

      4.7
    • Service Excellence

      4.6
    • Value

      4.3
    • Would Recommend

      4.6
    • $1,000+
    • 10 - 49 employees
    • Los Angeles, CA

    Founded in 2016, Cleverly is a marketing agency that offers lead generation and LinkedIn Ads to their clients. Their 50 employees are based out of Los Angeles.

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    Clients

    • LeaseLock

    Industries

  • 44
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 50 - 249 employees
    • Sheridan, WY
    Call Masters BPO is a call center company. Launched in 2021, the team focuses on call center services. Their midsize firm is Sheridan, Wyoming-based.
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    Industries

  • 45
    (10 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.5
    • Would Recommend

      4.9
    • $1,000+
    • 10 - 49 employees
    • Chennai, India

    Email marketing company Leadle Consulting was established in 2016. The agency specializes in email marketing, business consulting, and social media marketing and has a small team. The agency is in Chennai, India.

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    Industries

  • 46
    (6 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Willoughby, OH

    JMS Elite is a voice services and market research firm based in Willoughby, Ohio. Founded in 2002, their team of over 20 employees serves firms of all sizes across a range of industries, including business and financial services, education, and healthcare. 

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    Clients

    • Carl Zeiss AG

    Industries

  • 47
    (13 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • Undisclosed
    • 50 - 249 employees
    • Toronto, Canada

    24H Virtual is a voice and customer service agency based in Toronto with over 10 employees. They specialize in voice services for small and mid-market companies in the fields of transportation, education, and financial services.

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    Industries

  • 48
    (12 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.9
    • Undisclosed
    • 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

  • 49
    (4 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $1,000+
    • 50 - 249 employees
    • Petaling Jaya, Malaysia

    Launched in 2020, SummitNext Technologies Sdn. Bhd. Is a answering service. Their small team is headquartered in Petaling Jaya, Malaysia and specializes in call center services, customer service outsourcing, back office outsourcing, and sales outsourcing.

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    Industries

  • 50
    (7 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Kyiv, Ukraine
    Sparklead is a Kyiv, Ukraine-based business consulting and sales outsourcing company. Founded in 2022, the small team offers business consulting and sales outsourcing.
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    Clients

    • Ukrainian Association of Furniture Manufacturers

    Industries

  • 51
    (16 Reviews) 4.6
    • Timeliness

      4.6
    • Service Excellence

      4.6
    • Value

      4.5
    • Would Recommend

      4.8
    • $10,000+
    • 10,000+ employees
    • Canton, OH

    Fusion BPO Services is a global business process outsourcing firm headquartered in Montreal, Canada, that was established in 2004. Their team of over 1000 employees offers voice BPO, non-voice BPO, and transcription services.

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    Clients

    • PAYTM

    Industries

  • 52
    (4 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      4.9
    • $1,000+
    • 2 - 9 employees
    • Dubai, United Arab Emirates

    Division50, a sales outsourcing company, is located in Dubai, United Arab Emirates. The firm specializes in sales outsourcing, email marketing, search engine optimization, social media marketing, and more and has a small team.The firm was founded in 2021.

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    Clients

    • Oracle

    Industries

  • 53
    (12 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      4.9
    • $1,000+
    • 50 - 249 employees
    • Durrës, Albania

    Dalerio Consulting is a consultancy founded in 2017 in Durres, Albania with no more than 10 experts. They specialize in social media marketing, email marketing, and SEO solutions for small and mid-market agencies in the industries of advertising and business services.

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    Clients

    • KlimaTek

    Industries

  • 54
    (6 Reviews) 4.2
    • Timeliness

      4.3
    • Service Excellence

      4.2
    • Value

      4.3
    • Would Recommend

      4.4
    • $1,000+
    • 1,000 - 9,999 employees
    • Woodburn, OR

    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

  • 55
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • Undisclosed
    • 10 - 49 employees
    • Rockland, MA

    MoreMeetings.com is a B2B sales appointment company headquartered in Rockland, Mass. Founded in 2001, they have a team of 15 employees. Their main focus lines are voice services and corporate training, primarily for the IT industry.

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    Clients

    • Fujitsu

    Industries

  • 56
    (6 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 250 - 999 employees
    • Hatboro, PA

    HelpSquad, LLC is a midsize in Quakertown, Pennsylvania and Hatboro, Pennsylvania. They specialize in and were established in 2011.

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    Clients

    • Slinger Bag

    Industries

  • 57
    (7 Reviews) 4.6
    • Timeliness

      4.6
    • Service Excellence

      4.6
    • Value

      4.7
    • Would Recommend

      4.7
    • $1,000+
    • 1,000 - 9,999 employees
    • Westborough, MA

    Vsynergize is a global sales and marketing service provider that has offices in San Francisco, Westborough, Mass., and Pune, India. Founded in 2001, Vsynergize's team of about 300 employees has nearly two decades of experience specializing in call center services. The firm also extends back-office services to its clients in the financial services, telecommunications, and healthcare industries. 

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    Industries

  • 58
    (63 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • Undisclosed
    • 250 - 999 employees
    • Los Altos, CA

    Smith.ai is a virtual receptionist and lead intake services company located in Palo Alto, Calif. Founded in 2015, they employ over 100 staff specializing in live calls and website chat for small and mid-market companies, typically in legal, hospitality, finance, e-commerce, healthcare, and real estate. Services include AI chatbots, live chat, conversion optimization, and virtual receptionists.

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    Clients

    • Hacking Law Practice

    Industries

  • 59
    (44 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      4.9
    • $5,000+
    • 1,000 - 9,999 employees
    • T'bilisi, Georgia

    Again Again Agency, a marketing strategy company, was launched in 2021. They are located in T'bilisi, Georgia and T'bilisi, Georgia and have a small team. Their services include marketing strategy, business consulting, direct marketing, market research, and more.

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    Clients

    • Marketing Company

    Industries

  • 60
    (25 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Norristown, PA

    Pereus Marketing is a marketing agency located in King of Prussia, Pennsylvania. Founded in 2014, Pereus Marketing has about 10 employees. They specialize in voice services, direct marketing, marketing strategy, market research and business consulting. 

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    Industries

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