Best Ohio Telemarketing Companies

5 Companies - Rankings updated: July 02, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

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United States × Ohio ×

  • OnBrand24

    A leading customer support services provider

    A leading customer support services provider

    Trusted by 370+ enterprise brands, OnBrand24 provides inbound and outbound call center services, technical support, help desk, multilingual support, live chat, back-office BPO, lead generation, and appointment setting. The agency boasts a 92% average CSAT score and was named a 2025 Fastest Growing BPO by  [... see all OnBrand24 reviews ]

    Top Services:

    • Call Centers
    • Phone Answering Services
    • Customer Support
    Location
    Cincinnati, Ohio
    Number of Employees
    Under 49
    Portfolios Count
    3 Projects Listed
    View Profile
    4.8 4.8 (5)
    4.0 4.0 (12)

  • Unity Communications

    We Drive Success.

    We Drive Success.

    Established in 2009, Unity Communications is a US-based Business Process Outsourcing (BPO) company specializing in sales, technical support, customer service and administrative support services.  [... see all Unity Communications reviews ]

    Top Services:

    • Call Centers
    • Virtual Receptionist
    • Back Office Outsourcing
    Location
    Cleveland, Ohio
    Number of Employees
    500 - 999
    Average Hourly Rate
    $9/hr
    Portfolios Count
    3 Projects Listed
    View Profile
    4.5 4.5 (2)
    3.6 3.6 (8)

  • Highpower

    Your Customized Call Center Solution.

    Your Customized Call Center Solution.

    HIghPower call center is world renown near shore call center located in the heart of Tijuana minutes from the U.S border. Our team is bilingual, professional, and driven by performance goals. Our Call Center is second to none complete with a corporate structure and professional work environment.  [... view Highpower profile ]

    Top Services:

    • Call Centers
    • BPO
    • Back Office Outsourcing
    Location
    Cincinnati, Ohio
    Number of Employees
    Under 49
    View Profile
    5.0 5.0 (2)

  • Fluency LLC

    Professional Multilingual Communication And Support At Scale

    Professional Multilingual Communication And Support At Scale

    Fluency LLC provides a comprehensive suite of human-led call center services designed to bridge communication gaps and enhance customer experience. Based in Columbus, Ohio, we specialize in high-stakes environments where linguistic precision and cultural empathy are essential.  [... view Fluency LLC profile ]

    Top Services:

    • Call Centers
    • Phone Answering Services
    • BPO
    Location
    Hilliard, Ohio
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile

  • JMS Elite

    Proven Lead Generation For Complex B2B Sales

    Proven Lead Generation For Complex B2B Sales

    JMS is a leading B2B lead generation firm serving companies that offer complex, often high-ticket solutions, products and services. Our clients rigorously test us against other lead generation firms, and we consistently prove our ability to meet or exceed their objectives. Based on this trust, clients make  [... view JMS Elite profile ]

    Top Services:

    • Call Centers
    • Lead Generation
    • Outbound
    Location
    Willoughby, Ohio
    Number of Employees
    Under 49
    View Profile

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About The Author and Expert Reviewer

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bojana@designrush.com

Bojana Trajcheva is a seasoned content editor and innovation researcher with extensive experience in the tech and marketing industries. Formerly Editor-in-Chief at Studentsko Eho, she developed a strong foundation in content creation and editorial leadership. Bojana further honed her skills in senior innovation research roles and now brings this combined expertise to her work as an editor at DesignRush.

Director of Client Relationships

andrija@designrush.com

Andrija Savić is an accomplished and highly competent sales professional with record-breaking achievements. His work at BSC Kragujevac, a leading European NGO affiliated with SPARK Netherlands, resulted in a 24% increase in course completion rates. While at Global Media Box, his team contributed 26.5% of the company's monthly sales in just seven months. Since becoming the Director of Client Relationships at DesignRush, the business has gained a 700% revenue increase, a testament to his proven competency and dedication to customer satisfaction.