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 × Finance × $10,000 - $25,000 ×Clear Filters
  • AcquireOne

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Modular B2B Sales Execution

    AcquireOne helps international B2B companies successfully enter and grow in the German speaking market through strategic sales outsourcing. We combine market entry strategy, outbound prospecting, cold calling, email outreach and LinkedIn campaigns to generate qualified sales opportunities without the need to...

    Top Services:

    • Call Centers
    • Email Marketing
    • Direct Marketing
    Location
    Berlin, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    AcquireOne Services

    • Call Centers
    • Email Marketing
    • Direct Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Jotform
    • Synaos
    • Everspring
    • ComControl
    • Payt
    • ANG
    • Tribe
    Data sourced from the agency's DesignRush profile

    AcquireOne Reviews & Testimonials

    • Katharina Müller
      Katharina Müller Business Development Manager at comcontrol
      5.0★

      Appointment Setting Review from Katharina Müller

      With AcquireOne, we've finally built a functioning system for our lead generation. Appointments are reliably scheduled and kept with a current show rate of 98%. I can recommend the company for B2B appointment setting.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your On-Demand Sales Team

    Martal Group runs outsourced B2B cold calling, appointment setting, lead generation, and SDR programs for companies across SaaS, fintech, cybersecurity, healthcare, and manufacturing, powered by 200+ onshore sales executives and proprietary AI outreach...

    Top Services:

    • Email Marketing
    • Digital Marketing
    • Social Media Marketing
    • BPO
    • Digital Strategy
    • Show more
    Location
    Toronto, Canada
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • End-to-end CX solutions that delight customers.

    Helpware CX is a call center company that runs inbound and outbound call centers across 19+ locations in 11 countries, supporting 45+ languages. The agency posts 90% CSAT and holds 30+ industry awards including the IAOP Global Outsourcing 100 and a Gold Stevie Award. Clients average a 5-year partnership...

    Top Services:

    • Customer Support
    • BPO
    • Call Centers
    • Phone Answering Services
    • Business Consulting
    • Show more
    Location
    Lexington, Kentucky
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed
  • Better Outsourcing

    Hamedia is comprised of highly trained individuals who are experts in their respective fields. We take great pride in our ability to provide our clients with the best talent available. Whether you need sales professionals, marketing experts, or customer service representatives, we have team members who can...

    Top Services:

    • Graphic Design
    • Video Production
    • Branding
    • Web Design
    • Web Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $7/hr
    Minimal Budget
    $10,000 - $25,000
  • Our People + Experience Your Success

    We offer best-in-class contact centre BPO service and business results in our target regulated-industry verticals, as evidenced by our dominance and client relationship tenure in those verticals...

    Top Services:

    • Call Centers
    • BPO
    • Customer Support
    Location
    Toronto, Canada
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
  • Bringing The World To Africa

    Afrishore BPO is a leading South Africa call center and customer support outsourcing provider, delivering high-quality voice, email, and chat support to companies in the US, UK, and Europe. Our English-speaking South African agents provide exceptional customer experience at a fraction of the cost of onshore...

    Top Services:

    • BPO
    • Accounting
    • Digital Marketing
    • PPC
    • Email Marketing
    • Show more
    Location
    Sandton, South Africa
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $12/hr
    Minimal Budget
    $10,000 - $25,000
  • Smarter Tech Real People Better Outcomes

    ATM Group is a customer operations and revenue outsourcing company. We deliver contact centre outsourcing, revenue generation programmes, multilingual support and AI-enabled optimisation in the UK, Europe and South Africa...

    Top Services:

    • BPO
    • Call Centers
    • Phone Answering Services
    • HR Outsourcing
    • Customer Support
    • Show more
    Location
    Leicester, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
  • The World's Top Talent for Remote Teams!

    1840 & Company is a global provider of talent and team solutions devoted to empowering businesses with scalable, on-demand workforce solutions. With a stringent verification procedure and a network of professionals in 150 countries, we connect organizations with remote talent of the highest caliber. Our...

    Top Services:

    • BPO
    • Staff Augmentation
    • HR Outsourcing
    • Customer Support
    • Call Centers
    • Show more
    Location
    Overland Park, Kansas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $10,000 - $25,000
  • It's Easy to do Business with Us

    A proud member of the Equicom Group, a Filipino conglomerate, Equicom Services, Inc. - EquiServe is a trusted business process outsourcing (BPO) provider established in 2011. With over 1,000 employees, EquiServe is headquartered in Makati City, Philippines and we operate across multiple locations, including...

    Top Services:

    • BPO
    • Call Centers
    • Customer Support
    • IT Services
    • CRM Consulting
    • Show more
    Location
    Makati, Philippines
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $10,000 - $25,000
  • 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

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
10

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.