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 × Construction × 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
  • Developing Companies That Endure

    Agency Y provides cold calling, appointment setting, and email marketing services for small and medium-sized businesses. Operating from Skopje, Macedonia with agents trained for US and Canadian markets, the agency offers both hourly and performance-based cold calling pricing with no contracts...

    Top Services:

    • Call Centers
    • BPO
    • Customer Support
    • Email Marketing
    • Market Research
    • Show more
    Location
    Skopje, Macedonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $17/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed
  • Beyond Standard Solutions

    Transform Targets helps organizations scale operational capacity without increasing internal overhead. We provide skilled professionals who integrate directly into existing workflows, enabling businesses to operate efficiently while maintaining full visibility and control. Our focus is simple: support the...

    Top Services:

    • BPO
    • Customer Support
    • Logistics
    • Call Centers
    • Business Consulting
    • Show more
    Location
    McKinney, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Effortlessly Accurate, Every Time

    Instant Solution is a top BPO company in Bangladesh, offering world-class call center, data management, and business support services globally. With expertise in data processing, customer support, healthcare BPO, and e-commerce, we ensure secure, accurate, and efficient solutions. Operating in Bangladesh and...

    Top Services:

    • BPO
    • Business Consulting
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • Show more
    Location
    Dhaka, Bangladesh
    Number of Employees
    Under 49
    Average Hourly Rate
    $8/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Ultimate Destination For All Your Business Needs.

    Established in 2010, The Last Hope brings over 14 years of international expertise in transforming businesses with exceptional website designing, digital marketing & graphic designing services. Our dedicated team has successfully served thousands of satisfied clients worldwide, delivering tailored solutions...

    Top Services:

    • WordPress Website Design
    • eCommerce Development
    • Web Development
    • Web Design
    • Digital Marketing
    • Show more
    Location
    Gurgaon, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    6 Projects Listed
  • The Digital Fanatics

    We deliver tailored IT solutions that drive innovation and growth. From infrastructure management to software development, trust our team to elevate your business in the digital age...

    Top Services:

    • Call Centers
    • Accounting
    • Customer Support
    • CRM Consulting
    • Managed Services
    • Show more
    Location
    Dubai, United Arab Emirates
    Number of Employees
    Under 49
    Average Hourly Rate
    $12/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project 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
  • TechyLens is a Digital Marketing and Web Development Agency in Sri Lanka, helping ambitious brands grow through innovative digital solutions...

    Top Services:

    • WordPress Website Design
    • SEO
    • Digital Marketing
    • Branding
    • Web Development
    • Show more
    Location
    Batticaloa, Sri Lanka
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    3 Projects Listed
  • Cut Costs, Not Quality

    Led by a Cambridge MBA founder, RETLM BPO is providing cost effective but client focused outsourcing services to clients around the globe. These services cover range of industries including Real Estate, Edtech, Health care, Retail, ecommerce, transport, Telecom etc. Increase in Profit by 60%...

    Top Services:

    • BPO
    • IT Services
    Location
    Lahore, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • 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
  • Built To Solve. Designed To Scale.

    Tech Potato is a digital solutions company working across web development, e-commerce, automation, design, and business operations. We bring technical and operational teams together to support the day-to-day digital needs of modern businesses...

    Top Services:

    • Digital Services
    • Graphic Design
    • Design Services
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Karachi, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • 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
  • 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

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
129,262+
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
14

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.