Top 100 Call Center Services in the United States

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Top 100 Call Center Services in the United States

The Best of February 2024

Looking for a top voice service and call center company in the United States?

Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.

To assist you in your search for a partner, we’ve compiled this list of the top voice and call center services in United States. 

Jump to Most Reviewed Companies

List of the Best United States Voice Services Providers

  • 1
    (201 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $1,000+
    • 50 - 249 employees
    • Denver, CO

    Belkins is a technology company that leverages proprietary technology and a unique methodology to set appointments with target client prospects for revenue leaders in a variety of industries. Our award-winning, blended SAAS and Service model has been fine-tuned over the last 5 years and has supported hundreds of clients globally.

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    Clients

    • Cengage
    • Omnicharge
    • Sekisui Products
    • Born & Bred Creative

    Industries

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  • 2
    (82 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $1,000+
    • 50 - 249 employees
    • San Francisco, CA

    Martal Group is a sales agency based in Oakville, Canada and San Francisco. Founded in 2009, their team currently consists of 70 employees, who serve mostly technology companies in SaaS, Enterprise software and IT sectors. They offer services in outbound lead generation, appointment setting, account management, and sales.

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    Clients

    • Bosch
    • Zoho
    • Halo
    • MicroFocus

    Industries

  • 3
    (135 Reviews) 4.4
    • Timeliness

      4.6
    • Service Excellence

      4.4
    • Value

      4.1
    • Would Recommend

      4.4
    • $1,000+
    • 1,000 - 9,999 employees
    • Denver, CO

    Cience is a PaaS (People as a Service) company based in Los Angeles. It has offices in Ukraine and Manila and was established in 2015. Their team of more than 550 employees offers voice services, conversion optimization, and CRM consulting and SI services. 

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    Clients

    • Nasdaq
    • US Bank
    • Salesforce
    • Google

    Industries

  • 4
    (30 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 50 - 249 employees
    • Boca Raton, FL

    SalesRoads is a B2B appointment setting and lead generation provider based in Coral Springs, Fla. that was established in 2006. Their team of more than 30 employees offers sales outsourcing and telemarketing services.

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    Industries

  • 5
    (33 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $1,000+
    • 50 - 249 employees
    • Las Vegas, NV

    Leadium is a voice services firm based in Alexandria, Va., with an additional office in Kiev, Ukraine. Founded in 2016, the team of 100 specializes in email marketing, market research and CRM consulting and SI. They work primarily with small business clients, mostly in the IT industry.

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    Clients

    • DirecTV
    • Minted
    • Segment
    • Zadara

    Industries

  • 6
    (21 Reviews) 4.7
    • Timeliness

      4.7
    • Service Excellence

      4.7
    • Value

      4.7
    • Would Recommend

      4.7
    • $1,000+
    • 250 - 999 employees
    • St. Louis, MO

    Abstrakt Marketing Group is a call center service. They are headquartered in St. Louis, Missouri and have a midsize team. Their services include voice services, content marketing, graphic design, social media marketing, and more. The company was established in 2009.

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    Industries

  • 7
    (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

  • 8
    (29 Reviews) 4.7
    • Timeliness

      4.1
    • Service Excellence

      4.7
    • Value

      3.9
    • Would Recommend

      4.8
    • $1,000+
    • 250 - 999 employees
    • Orlando, FL

    XACT is a telecommunications company, founded in 1998 and located in Orlando, Fla. They have 69 employees specializing in custom-designed contact center solutions for companies in business services, finance, and consumer products and services. They offer voice services, help desk and web support, marketing, and virtual receptionist services.

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    Clients

    • Culinary Institute of America

    Industries

  • 9
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Tampa, FL

    Established in 2022, Alphoric is a sales outsourcing company. They are located in Calgary, Canada and have a small team. The agency offers sales outsourcing.

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    Industries

  • 10
    (6 Reviews) 4.6
    • Timeliness

      4.8
    • Service Excellence

      4.6
    • Value

      4.1
    • Would Recommend

      4.7
    • $5,000+
    • 250 - 999 employees
    • Nashville, TN

    JumpCrew is a midsize advertising company. They focus on advertising, digital strategy, marketing strategy, content marketing, and more and were launched in 2016. The company is based in Nashville, Tennessee.

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    Clients

    • Alibaba
    • AT&T
    • Bosch
    • Experian

    Industries

  • 11
    (24 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 250 - 999 employees
    • Portland, OR

    Prialto is a leading managed staffing and BPO company led by a Wharton MBA and former McKinsey & Co executive. Headquartered in Portland, Oregon, Prialto was launched in 2008 and serves top venture capital, financial services, biotech, insurance, and real estate firms. Prialto's services include managed staffing, seamless back-office function processing, and business automation.

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    Clients

    • Headline
    • Woodruff Sawyer
    • Rapid7
    • Graham Company

    Industries

  • 12
    (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
    • FedEx
    • Amazon
    • Pfizer

    Industries

  • 13
    (22 Reviews) 4.7
    • Timeliness

      4.6
    • Service Excellence

      4.7
    • Value

      4.3
    • Would Recommend

      4.7
    • $1,000+
    • 50 - 249 employees
    • Farmington, CT

    Strategic Sales & Marketing (SSM) is a lead generation company based in Farmington, Conn. Founded in 1989, SSM helps companies with lead generation and appointment setting services focused on B2B major accounts.  Typical clients are looking to reach the Owner, Director, VP or C level of contact, have a sales cycle that requires multiple touch-points, and uses a "solution sell process." 

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    Clients

    • CT Technology Council
    • FFF Associates
    • Gerber Scientific
    • Karen Spencer Design

    Industries

  • 14
    (23 Reviews) 4.7
    • Timeliness

      4.8
    • Service Excellence

      4.7
    • Value

      4.4
    • Would Recommend

      4.8
    • $5,000+
    • 50 - 249 employees
    • Dallas, TX

    Operatix is a midsize sales outsourcing company based in Dallas, Texas and Fleet, United Kingdom. Established in 2012, the team focuses on sales outsourcing and call center services.

    Read More

    Industries

  • 15
    (6 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      5.0
    • Would Recommend

      4.9
    • $75,000+
    • 50 - 249 employees
    • Austin, TX

    Outsourcing firm ContactWorks is based in Austin, Texas. They were founded in 2004  and now employ a team of 20 that specializes in voice services for clients in the financial & business services and healthcare industries.

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    Clients

    • Fonality
    • Giva
    • TRC Staffing Services

    Industries

  • 16
    (26 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      4.9
    • $5,000+
    • 10 - 49 employees
    • Lafayette, CA

    LevelUp Leads is a Lafayette, California-based social media marketing firm. The firm offers social media marketing, email marketing, call center services, and back office outsourcing and is small.The firm was founded in 2021.

    Read More

    Industries

  • 17
    (18 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.7
    • Undisclosed
    • 50 - 249 employees
    • Denver, CO

    GenSales - B2B LeadGen is a lead generation and appointment setting company based in Denver. They were founded in 2002 and have a team of around 15 employees. Their services focus on voice services and digital strategy. 

    Read More

    Clients

    • TUDI Mechancial Systems
    • Umbria Listens

    Industries

  • 18
    (16 Reviews) 4.3
    • Timeliness

      1.9
    • Service Excellence

      4.3
    • Value

      1.8
    • Would Recommend

      4.4
    • Undisclosed
    • 1,000 - 9,999 employees
    • Garden City, NY

    Go Answer is a leading bilingual contact center, providing 24/7 voice, web-chat, email, and ticketing services for large and small businesses. They serve multiple industries such as home services, property management, e-commerce, healthcare, transportation, and fintech. Go Answer also has a bilingual dedicated legal division that strictly handles legal intake and retainer services for law firms across the United States. Go Answer was founded in 2012 and is based in New York, with additional state-of-the-art call centers in St. Lucia and Florida. Go Answer understands the importance of being a true extension of their clients brand. They provide friendly, professional and expert answering services, virtual reception services, and custom contact center solutions that reflect the values and reputation of your company

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    Clients

    • Century21
    • New York Daily News
    • LensDirect.com
    • Parker & Waichman

    Industries

  • 19
    (6 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • Castle Rock, CO

    BDR.ai is a custom email service company based in Littleton, Colo. The company, founded in 2017, has a team of less than ten that provides email marketing and business consulting services to small and larger-sized companies in the IT and other industries.

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    Clients

    • Objective Management Group
    • Boston Consulting Group (BCG)
    • RingCentral
    • Vonage

    Industries

  • 20
    (18 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • $1,000+
    • 50 - 249 employees
    • Berkeley, CA

    Wing Assistant, a back office outsourcing company, was established in 2018. Their midsize team is located in Berkeley, California. Their services include back office outsourcing, customer service outsourcing, sales outsourcing, call center services, and more.

    Read More

    Industries

  • 21
    (33 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.5
    • Would Recommend

      4.7
    • $5,000+
    • 250 - 999 employees
    • Austin, TX

    Located in Austin, EBQ has a team of around 250 working with clients in the IT, advertising, and business industries. They provide voice services, CRM consulting, and email marketing expertise to clients looking for B2B lead generation and appointment setting.

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    Industries

  • 22
    (19 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • Undisclosed
    • 50 - 249 employees
    • Margate, FL

    Based out of Margate, Florida, Answering Service Care offers voice services to small businesses. This includes answering a variety of phone call inquiries from stakeholders. The telecommunications vendor has fewer than 50 employees serving industries spanning from real estate to legal and medical. The company was founded in 1974.

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    Clients

    • Keiser University
    • Debt.com
    • McDonald's
    • Becton Dickinson (BD)

    Industries

  • 23
    (3 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
    • Mason Bottle
    • Imagine Dental Arts

    Industries

  • 24
    (7 Reviews) 4.6
    • Timeliness

      2.1
    • Service Excellence

      4.6
    • 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
    • McKeen Law Firm
    • Molinar and Co Financial Advocates

    Industries

  • 25
    (9 Reviews) 4.5
    • Timeliness

      4.4
    • Service Excellence

      4.5
    • Value

      4.4
    • Would Recommend

      4.6
    • Undisclosed
    • 1,000 - 9,999 employees
    • Margate, FL

    Global Response is a contact center company based in Margate, Fla., that was established in 1974. Their team of more than 450 employees offers contact center services, inbound sales processing, order processing, chat support, email response, and social media support.

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    Clients

    • Crate&Barrel
    • Lacoste
    • MoMA
    • Anthropologie

    Industries

  • 26
    (14 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $5,000+
    • 250 - 999 employees
    • Home, KS

    Blue Valley Marketing is a midsize direct marketing company. Launched in 1991, the company is headquartered in Home, Kansas. Their services include direct marketing, market research, content marketing, and other marketing.

    Read More

    Industries

  • 27
    (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.
    Read More

    Industries

  • 28
    (63 Reviews) 4.6
    • Timeliness

      4.7
    • Service Excellence

      4.6
    • Value

      4.3
    • Would Recommend

      4.5
    • $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
    • Bambee
    • MeMD
    • Kustomer

    Industries

  • 29
    (6 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.9
    • $10,000+
    • 1,000 - 9,999 employees
    • Cambridge, MA

    Founded in 2015, Peak Support is a Boston-based business process outsourcing (BPO) provider. Their approximately 250 employees provide both voice services like inbound appointment scheduling and B2C telemarketing. They also provide email- and chat-focused customer support.

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    Clients

    • Ministry of Supply
    • Public Rec
    • BloomNation

    Industries

  • 30
    (17 Reviews) 4.5
    • Timeliness

      4.4
    • Service Excellence

      4.5
    • 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
    • GE Capital Bank
    • Special Olympics

    Industries

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