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 × Real Estate × Under $1,000 ×Clear Filters
  • America's best phone answering service taking care of your callers

    Moneypenny is a call center provider that staffs 24/7 answering services and contact center outsourcing for businesses across legal, healthcare, real estate, finance, and home services, with bilingual receptionists, appointment scheduling, call dispatch, and CRM integration included...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • Customer Support
    Location
    Duluth, Georgia
    Number of Employees
    1000 & Up
    Minimal Budget
    Under $1,000
    Portfolios Count
    4 Projects Listed
  • People-powered answering service

    AnswerConnect offers 24/7 live call answering, inbound call center solutions, live chat, and appointment scheduling for businesses across legal, healthcare, real estate, IT, and franchise sectors. Voted Best Answering Service for 2026, the call center company answers 99% of calls within four rings...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • Customer Support
    Location
    Portland, Oregon
    Number of Employees
    1000 & Up
    Minimal Budget
    Under $1,000
  • 24/7 Live Answering, Virtual Receptionist & Call Center Solutions

    AnswerFirst helps businesses stay connected with real, helpful people answering every call day or night. No bots. No scripts. Just trained Customer Service Professionals who know how to support your customers when it matters most...

    Top Services:

    • Phone Answering Services
    • Call Centers
    • Customer Support
    Location
    Tampa, Florida
    Number of Employees
    100 - 249
    Minimal Budget
    Under $1,000
  • The #1 Customer Service Outsourcing & BPO Company

    With a legacy dating back to 2016, HiredSupport stands as a true trailblazer in the outsourced customer support realm...

    Top Services:

    • Customer Support
    • BPO
    • Call Centers
    • Phone Answering Services
    • Show more
    Location
    Rancho Cucamonga, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed
  • Your employee costs, re-imagined lower

    Kimon Services is a UK-based company specializing in cost-effective outsourced business admin solutions, including dedicated customer support, data entry, and back-office staffing. We offer managed offshore teams and Employer of Record (EOR) services tailored to client needs, helping businesses reduce costs...

    Top Services:

    • BPO
    • Customer Support
    • Accounting
    • HR Outsourcing
    • Phone Answering Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • Unlocking Potential, Delivering Excellence.

    Alegta empowers creative agencies and individuals to showcase their work and connect with clients, offering the best digital marketing and IT solutions backed by 18 years of industry experience...

    Top Services:

    • Branding
    • Digital Strategy
    • Web Design
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Hyderabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    7 Projects Listed
  • Calls answered. Insight delivered.

    Customer Direct answers your calls and gives you answers about your business. What makes us unique: we analyze every single interaction, not just a small sample like most call centers...

    Top Services:

    • Call Centers
    • BPO
    • Phone Answering Services
    • Customer Support
    • AI Development
    • Show more
    Location
    Maryland Heights, Missouri
    Number of Employees
    250 - 499
    Minimal Budget
    Under $1,000
  • 24/7 Live Answering and Call Center Services

    Headquartered in Berkeley, CA, Direct Line Tele Response is nationally recognized as one of the premier service providers in the Answering Service and Call Center industry. We provide solutions for inbound call taking, messaging, urgent dispatch, and other answering services that are available 24/7/365...

    Top Services:

    • Phone Answering Services
    • Digital Marketing
    Location
    Berkeley, California
    Number of Employees
    100 - 249
    Minimal Budget
    Under $1,000
  • Top AI-Driven Call Center in Indonesia

    Looking for a Reliable AI-Driven Outsourced Call Center in Indonesia? Callindo Delivers Top-notch Services to Enhance Your Customer Experience and Boost Your Business...

    Top Services:

    • BPO
    • Customer Support
    • Market Research
    • Business Consulting
    • Call Centers
    • Show more
    Location
    Jakarta, Indonesia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $24/hr
    Minimal Budget
    Under $1,000
  • Brisk Web Services: Your Accelerator in the Digital Race.

    Brisk Web Services serves as your accelerator in the digital race, offering tailored strategies, measurable results, and a fervent commitment to driving businesses forward in the online realm. With a focus on delivering customized solutions and tangible outcomes, we are dedicated to propelling our clients to...

    Top Services:

    • Digital Services
    • Branding
    • Logo Design
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Ćuprija, Serbia
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/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
  • Ultimate Technology Partner.

    MetaFussion is a dynamic digital company driven by a passion for crafting innovative software solutions tailored to meet the evolving needs of businesses. Our comprehensive services, including SEO, SMM, web development, and PPC campaigns, empower clients to thrive in today's fast-paced digital environment...

    Top Services:

    • Digital Services
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Business Consulting
    • Show more
    Location
    Brampton, Canada
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000

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
130,112+
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
12

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.