Top 100 Call Center Services in Berkeley

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Top 100 Call Center Services in Berkeley

The Best of June 2026

Looking for a top voice service and call center company in Berkeley?

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 Berkeley. 

List of the Best Berkeley Voice Services Providers

  • 61
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Burlingame, CA
    Zeka Vineyards is a Sales Outsourcing company. The team provides Sales Outsourcing and is in Burlingame, California.
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  • 62
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Fremont, CA
    Launched in 2023, My Care International is a call center. Their team offers Call Center Services and Back Office Outsourcing.
    Read More

    Industries

  • 63
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Daly City, CA
    Lock & Key Shop is a Business Consulting company in Daly City, California. Founded in 2000, the team provides Business Consulting and Back Office Outsourcing.
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  • 64
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Concord, CA
    CRM consulting and SI company SaaScend is based in Concord, California. The team specializes in CRM consulting and SI and Application Management & Support.
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  • 65
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Francisco, CA
    JumpClick is a social media marketing agency. They are headquartered in San Francisco, California and have small team. Their services include Social Media Marketing and Email Marketing.
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  • 66
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Walnut Creek, CA
    PIVOT Agency is a branding company. The Walnut Creek, California-based firm was established in 2013. Their team specializes in Branding and Market Research.
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    Industries

  • 67
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Brisbane, CA
    Magellan USA is a small Brisbane, California-based IT managed services company. Their services include IT managed services and HR Consulting.
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  • 68
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    San Ramon, CA
    Vanaa Tech LLC is a Customer Service Outsourcing and call center service headquartered in San Ramon, California. They provide Customer Service Outsourcing and Call Center Services.
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  • 69
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    San Jose, CA
    Ozonetel Communications is a San Jose, California-based phone answering service. Their services include Call Center Services and CRM consulting and SI.
    Read More

    Industries

  • 70
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    South San Francisco, CA
    Intelassist is an Accounting company. The company is based in Quezon City, Philippines and South San Francisco, California. Their team specializes in Accounting and Call Center Services.
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    Industries

  • 71
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    San Ramon, CA
    Cannmore is a Sales Outsourcing company launched in 2022. The small team offers Sales Outsourcing and Business Consulting.
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  • 72
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Ramon, CA
    Ezyteams is a Back Office Outsourcing company. They are headquartered in San Ramon, California and have midsize team. They focus on Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).
    Read More

    Industries

  • 73
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Francisco, CA
    Resource Fast is a Back Office Outsourcing company located in San Francisco, California. Founded in 2018, the team focuses on Back Office Outsourcing and Call Center Services.
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  • 74
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    1,000 - 9,999 employees
    San Jose, CA
    Call center company 8x8 was founded in 1987. The team offers Call Center Services.
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    Industries

  • 75
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    Livermore, CA
    Performant is an answering service launched in 1976. The team focuses on Call Center Services and Accounting.
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    Industries

  • 76
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Burlingame, CA
    EFlexervices, Inc., a call center company, was launched in 2001. The firm specializes in Call Center Services and Customer Service Outsourcing.
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  • 77
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Livermore, CA
    Custom Communications, an answering service company, is located in Livermore, California. Established in 1980, the team offers Call Center Services.
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  • 78
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    San Mateo, CA
    BrightEdge is a SEO company. Launched in 2007, the firm is in San Mateo, California. Their team provides Search Engine Optimization and Content Marketing.
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  • 79
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Redwood City, CA
    Locksmith & Key Shop, a small Business Consulting company, is located in Redwood City, California. The team offers Business Consulting and Back Office Outsourcing.
    Read More
  • 80
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    San Ramon, CA
    NaqviX is a custom software development company. Established in 2017, the firm provides Custom Software Development and Web Development.
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    Industries

  • 81
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Union City, CA
    Social media marketing company AI Source Hub was launched in 2022. The small team focuses on Social Media Marketing and Content Marketing.
    Read More

    Industries

  • 82
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Fremont, CA
    Business Consulting company Locksmith Master Shop was founded in 1980. The team specializes in Business Consulting and Back Office Outsourcing and is based in Fremont, California.
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  • 83
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Stanford, CA
    Keystone Locksmith Shop is a Business Consulting company. The Stanford, California-based company provides Business Consulting and Back Office Outsourcing.
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  • 84
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    San Jose, CA
    RPM BPO is a call center company. Their midsize team is in San Jose, California. The firm offers call center services, back office outsourcing, customer service outsourcing, and sales outsourcing.
    Read More

    Industries

  • 85
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Alamo, CA
    Grey Matter Marketing, Inc. Is a branding company. Headquartered in Alamo, California, their small team provides Branding and Public Relations. The agency was established in 2006.
    Read More
  • 86
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Palo Alto, CA
    Interstate Locksmith Shop is a small Palo Alto, California-based Business Consulting company. The team focuses on Business Consulting and Back Office Outsourcing.
    Read More
  • 87
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    San Jose, CA
    RCM Centric is an IT managed services company established in 2016. The company focuses on IT managed services and Call Center Services, and is midsize.
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    Clients

    Frederick Bodie, M.D - Dermatologist

    Industries

  • 88
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $50,000+
    50 - 249 employees
    San Jose, CA

    Answering service SuccessLink Outsourcing was established in 2024. The company focuses on Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, Finance & Accounting Outsourcing (FAO), and more and has a midsize team.

    Read More

    Industries

  • 89
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Pleasanton, CA
    Business Consulting company Vouris specializes in Business Consulting and Call Center Services. They were launched in 2020.
    Read More
  • 90
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Berkeley, CA
    Echo Sports Marketing, a Sports Marketing company, is in Berkeley, California. The team offers Sports Marketing and Direct Marketing.
    Read More
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