Callbox, Martal Group, CIENCE, TeleDirect, Leadium - these are among the top telemarketing companies sales teams rely on to generate qualified leads, increase conversion rates, and build consistent pipelines through targeted outreach and performance-driven communication strategies.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Telemarketing × Professional Services × $1,000 - $10,000 ×Clear Filters
  • See Differently

    Mirrorline Marketing is a marketing agency and sales coaching company. We create, build and scale businesses in any industry, worldwide, combining strategy, branding, websites, ads and SEO with real sales training...

    Top Services:

    • Logo Design
    • Digital Strategy
    • Branding
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Grow Now Or Accept The Costs Later

    Burniston Media was founded by Ethan Burniston when he was just 13 years old, now growing to become a successful marketing agency with over 8 team members who their primary goal is to grow and scale companies advertising. Specifically they work in the paid social media sector, accumulating multiple results on...

    Top Services:

    • Media Buying
    • PPC
    • CRO
    • Social Media Marketing
    • Advertising
    • Show more
    Location
    Andover, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Virtual Assistant Services That Give You Your Time Back

    Ellite Assistant is a professional remote staffing and virtual assistant services company that provides dedicated remote support to businesses. The company helps business owners and teams delegate administrative, customer service, sales, marketing, technical, research, and operational tasks to virtual...

    Top Services:

    • Business Consulting
    • Digital Services
    • HR Outsourcing
    • Customer Support
    • Managed Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $5/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Qualified B2B meetings on a pay-per-result basis no retainers, only results.

    Kräfte helps B2B companies fill their pipeline without the guesswork. We run outbound sales development end to end finding the right decision-makers, starting conversations through cold calling and targeted outreach, and booking meetings only once a prospect is properly qualified. Because we charge per...

    Top Services:

    • Direct Marketing
    • Call Centers
    • BPO
    • Market Research
    • Digital Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Elevating Business Efficiency. Driving Success.

    SkyTech Global is a Bangladesh-based global delivery, business process, and technology company powering scalable operations worldwide.Formerly SkyTech Solutions...

    Top Services:

    • BPO
    • Customer Support
    • Call Centers
    Location
    Dhaka, Bangladesh
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Outsourced B2B cold calling with published pricing

    Outsourced B2B cold calling for US companies that need booked meetings, not another tool. We build the call list, write the script, run the dialer and put qualified meetings on your calendar. The 30 day pilot is $2,997 and guarantees 2,000 dials and 100 live connects, meaning a real person picked up. If we...

    Top Services:

    • Call Centers
    • BPO
    • Direct Marketing
    • Market Research
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Reliable Truck Dispatch Services in the USA | SD Global Services

    In order to make a trucking business successful, effective dispatching, technology solutions, and customer service play a crucial role. Similarly, in scaling operations, efficient systems and clear communication are key to growth and long-term success...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • WordPress Website Design
    • Affiliate Marketing
    • Show more
    Location
    Milwaukee, Wisconsin
    Number of Employees
    50 - 99
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • Outsourcing and BPO Company

    InLinkers CX is a Pakistan-based BPO company with 10+ years of certified outsourcing experience. Founded in 2015, we serve businesses across the US, UK, Australia, UAE & Canada. Our services include Call Center Outsourcing, IT Outsourcing, Staff Augmentation, Healthcare BPO, Insurance BPO, Mortgage BPO...

    Top Services:

    • Web Design
    • Web Development
    • SEO
    • AEO
    • Software Development
    • Show more
    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
130,200+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
8

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

5 Frequently Asked Questions About Telemarketing Firms

What do telemarketing companies do?

Telemarketing agencies use phone-based direct marketing to sell products, generate leads, or book appointments on behalf of businesses, performing both outbound and inbound calls to grow sales pipelines and client relationships. 

As all telemarketing interactions involve direct human contact, the approach allows them to influence potential customers’ opinions, purchasing habits, or perceptions toward a brand. 

What services do telemarketing firms provide?

Telemarketing services for businesses can be split into two main categories: inbound and outbound.  

  • Inbound telemarketing services cover customer support calls, namely technical support, order taking, billing inquiries, upselling, and virtual receptionist service, to name a few. They can support both B2B and B2C companies. 
  • Outbound telemarketing services, also referred to as proactive outreach, are intended to boost businesses’ bottom line. This category comprises several different service types, including lead qualification, appointment setting, cold calling, customer reactivation, and more. 

B2B telemarketing companies are often hired to assist non-profit organizations in soliciting donations or to collect debt and follow up on overdue accounts on behalf of other businesses.   

How much do telemarketing agencies charge for their services?

Telemarketing agencies charge between $7 and $75 per hour for their services. The service cost can also vary based on location (offshore vs. onshore), campaign complexity, duration, and agent experience, with B2B telemarketing campaigns often costing more than B2C.  

Other common pricing models include: 

  • Per-lead: $35 to $60 per qualified lead 
  • Flat-rate: $650+ for a 4-week campaign 
  • Commission-based: 5% to 20% of each closed sale 

How long do telemarketing campaigns take?

Telemarketing campaigns usually take a few months, as lead nurturing takes multiple phone calls for telemarketers to engage with a prospect and close a sale.  

Although initial lead generation begins within the first few weeks, for a full, effective cycle, the campaigns are run between 3 and 6 months. The average campaign takes about 14 weeks to reach an optimum level of opportunities per day. The length also depends on the campaign type:  

  • Pilot and trial campaigns: Usually run for 10 to 12 weeks to test the market, refine the pitch, and validate traction. 
  • Short campaigns: 4 to 6 weeks for time-sensitive promotions or event registrations. 
  • Long-term campaigns: 6 months to over a year for slow B2B sales cycles that require more lead nurturing. 

What kind of ROI can businesses expect from telemarketing campaigns?

 Lucrative telemarketing campaigns often result in a 5:1 to 10:1 return on investment (ROI), meaning $5 to $10 in revenue for every $1 spent. The return rate depends on the quality of the call lists, the persuasion skill of the callers, the product, the offer, and whether it's part of a multi-channel strategy. Notably, ROI grows over time through stronger customer retention and better targeting informed by feedback from calls.