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 × Sort by: Number of Reviews ×
  • Build, Solve, Deliver

    SolvForge is a small, independent studio that builds websites, runs servers, and handles marketing for growing businesses. We design fast, modern sites that bring in customers, keep them secure and online, and help you get found on Google. One team, straight answers, and work that's built to last. Build...

    Top Services:

    • eCommerce Development
    • Software Development
    • CRM Consulting
    • ERP Consulting
    • IT Services
    • Show more
    Location
    Hyderabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    Under $1,000
  • Dominate Your Rankings. Conquer Your Digital Battlefield.

    Gladiators Ranking is a Business Growth & Technology Agency helping service-based businesses generate more visibility, leads, conversations, and customers through SEO, Google Business Profile optimization, web development, PPC, social media, AI automation, AI search optimization, and receptionist solutions...

    Top Services:

    • Digital Marketing
    • Web Development
    • SEO
    • PPC
    • AEO
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
  • 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
  • Hello to the future!

    PTCL is a leading technology and telecommunications company in Pakistan also offering BPO and resource augmentation/ staffing solutions to help global businesses scale their teams efficiently. We connect organisations with skilled technology professionals, enabling faster delivery ,flexible hiring, and access...

    Top Services:

    • ERP Consulting
    • CRM Consulting
    • Cybersecurity
    • DevOps Consulting
    • Staff Augmentation
    • Show more
    Location
    Islamabad, Pakistan
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • The First And Only Filipino-owned Talent & Revenue Execution Firm.

    TRACTIONCORE is the first and only Filipino-owned talent and revenue execution firm. We dont just rent seats; we deliver outcome-driven systems. Backed by a decade of experience, we build, vet, and manage high-performing global teams powered by human-AI synergy. From fractional experts to fully built...

    Top Services:

    • BPO
    • AI Development
    • HR Outsourcing
    • Accounting
    • Software Development
    • Show more
    Location
    Quezon City, Philippines
    Number of Employees
    50 - 99
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
  • Connecting Talent. Elevating Companies.

    UpHiire is a nearshore staffing partner for U.S. small and mid-sized businesses that need reliable remote help without the cost of a local hire. We recruit bilingual professionals across Latin America, test their skills and English, and introduce only candidates ready to work U.S. hours. Clients hire...

    Top Services:

    • HR Outsourcing
    • Customer Support
    • Business Consulting
    • Accounting
    • BPO
    • Show more
    Location
    Mixco, Guatemala
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • The Remote Staff Helps Businesses Hire Offshore Teams and Manage HR, Payroll, and Operations.

    The Remote Staff helps businesses build dedicated offshore teams without the complexity of managing staffing operations. From recruitment and onboarding to HR, payroll, attendance, office setup, and equipment, we handle the essentials while you focus on your team's work and business growth. Our remote...

    Top Services:

    • Digital Strategy
    • Web Design
    • Web Development
    • Digital Marketing
    • eCommerce
    • Show more
    Location
    Dubai, United Arab Emirates
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Websites That Work Harder for Your Business.

    Technomation helps businesses grow online with professional website design, development, SEO, and ongoing support. We build responsive, user-friendly websites that strengthen credibility, communicate value, and turn visitors into potential customers...

    Top Services:

    • Web Development
    • Mobile App Development
    • AEO
    • SEO
    • AI Development
    • Show more
    Location
    Hillside, New Jersey
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Done-For-You B2B Outbound Calling

    CallTeam helps B2B companies reach decision-makers through managed cold calling, appointment setting and outsourced SDR services. We research target accounts, work existing CRM leads, make live calls, follow up, qualify buyers and book meetings with useful context. AI-assisted research supports the...

    Top Services:

    • Call Centers
    • Event Marketing
    • Direct Marketing
    • Business Consulting
    • Customer Support
    • Show more
    Location
    Calgary, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
  • Reliable Virtual Assistants. More Room To Grow.

    Nomad VAs helps businesses hire Philippines-based virtual assistants for day-to-day operations and ongoing remote support. We connect clients with assistants suited to their needs, helping them delegate recurring work, stay organized, and make more time for their priorities...

    Top Services:

    • Business Consulting
    • Customer Support
    • SEO
    • Social Media Marketing
    • Web Development
    • Show more
    Location
    Cebu City, Philippines
    Number of Employees
    Under 49
    Average Hourly Rate
    $11/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
131,994+
2

Portfolio Review

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

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
310

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.