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: Organic Rankings ×
  • Crafting Smart Travel Technology

    Crafting Smart Travel Technology

    Silvi Global Technology (SGT) is a next-generation technology company focused on building intelligent, scalable, and industry-ready digital platforms. As the technology arm of Silvi Global, SGT operates at the intersection of *software engineering, aviation technology, travel platforms, and enterprise...

    Top Services:

    • Customer Support
    • Mobile App Development
    • Accounting
    • IT Services
    • CRM Consulting
    • Show more
    Location
    Jaipur, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • A trusted partner to achieve transformational excellence in business processes

    A trusted partner to achieve transformational excellence in business processes

    Viaante Business Solutions is a premier services company based in India, dedicated to delivering exceptional solutions to clients worldwide. With a relentless focus on exceeding client expectations, we aim to drive their success through innovative and effective services...

    Top Services:

    • IT Services
    • Software Development
    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Mumbai, India
    Number of Employees
    500 - 999
    Minimal Budget
    $1,000 - $10,000
  • Book More B2B Appointments, Faster

    Book More B2B Appointments, Faster

    DemandNexus helps B2B technology companies generate pipeline through appointment setting, ABM campaigns, intent marketing, lead generation, and multi-channel demand generation services...

    Top Services:

    • Public Relations
    • Digital Strategy
    • Digital Services
    • Advertising
    • Email Marketing
    • Show more
    Location
    Pune, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Ziscomm is a leading Business Processing Outsourcing (BPO) Company.

    Ziscomm is a leading Business Processing Outsourcing (BPO) Company.

    Ziscomm revolutionizes business connectivity through innovative communication solutions, empowering enterprises to thrive amidst competition with seamless collaboration and success-driven outsourcing services...

    Top Services:

    • BPO
    • Call Centers
    • Customer Support
    • Phone Answering Services
    • Transcription Services
    • Show more
    Location
    Rawalpindi, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Your Trusted Partner for Complete Outsourcing Solutions.

    Your Trusted Partner for Complete Outsourcing Solutions.

    ProcessVenue is a one-stop destination for Secure Data Management, Financial & Accounting Services, Customer Support, and Data Annotation & Labeling. We serve clients globally with a commitment to data security, accuracy, and operational excellence...

    Top Services:

    • BPO
    • Accounting
    • Digital Marketing
    • AI Development
    • Social Media Marketing
    • Show more
    Location
    Jaipur, India
    Number of Employees
    100 - 249
    Portfolios Count
    1 Project Listed
  • Your Partner in Operational Excellence

    Your Partner in Operational Excellence

    CogentHub is a leading BPO firm dedicated to helping businesses overcome challenges through exceptional management consulting services. The firm leverages advanced technology and well-planned operations to enhance customer experiences and drive growth. With a passionate team of professionals, CogentHub...

    Top Services:

    • BPO
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • HR Outsourcing
    • Show more
    Location
    Kolkata, India
    Number of Employees
    500 - 999
    Average Hourly Rate
    $10/hr
  • Top Digital Marketing & Web development Agency

    Top Digital Marketing & Web development Agency

    Madalytech: Empowering Businesses through Strategic Innovation...

    Top Services:

    • Digital Marketing
    • Graphic Design
    • Digital Strategy
    • Web Development
    • Social Media Marketing
    • Show more
    Location
    Karachi, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • The Clear Voice For Your Business

    The Clear Voice For Your Business

    Orvex Group is a trusted BPO and digital solutions company delivering Telemarketing, Customer Support, Sales, Lead Generation, SEO, Web Development and Digital Marketing. We help businesses connect better, sell smarter and grow faster through professional people, modern solutions and performance driven...

    Top Services:

    • Call Centers
    • BPO
    • Direct Marketing
    • SEO
    • Digital Marketing
    • Show more
    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
  • Empowering Customer Experience with AI and Human Expertise-Customized Care Solutions by D3Mynds.

    Empowering Customer Experience with AI and Human Expertise-Customized Care Solutions by D3Mynds.

    Empowering Customer Experience with AI and Human Expertise-Customized Care Solutions by D3Mynds. Where AI Meets Human Touch D3Mynds Delivers Customized Customer Care Solutions for a New Era...

    Top Services:

    • BPO
    • Business Consulting
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • Show more
    Location
    Delhi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • Hugo

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    World-Class Outsourced Teams Operating 24/7 Globally, in 60+ Languages

    Hugo deploys dedicated inbound and outbound call center teams across 60+ languages, with 24/7 coverage and 99.9% uptime. Its university-educated agents deliver 88% first call resolution. The call center provider is ISO 27001, HIPAA, and SOC 2 certified...

    Top Services:

    • Customer Support
    • Call Centers
    • BPO
    • Phone Answering Services
    • Transcription Services
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Influx

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Influx.com are the experts in on-brand 24/7 customer support, since 2013..

    Influx staffs dedicated call center teams for inbound, outbound, and after-hours coverage across the Americas, Europe, and APAC. Since 2013, the call center provider has served 750+ brands on month-to-month plans with no lock-in and a 7-day launch window...

    Top Services:

    • Customer Support
    • Call Centers
    • BPO
    • HR Outsourcing
    • AI Development
    • Show more
    Location
    West Hollywood, California
    Number of Employees
    1000 & Up
    Portfolios Count
    2 Projects Listed

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
125,672+
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
261

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. 

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