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 × Gaming × $1,000 - $10,000 ×Clear Filters
  • Global Support Redefined!

    IdeasUnlimited offers 24/7/365 inbound and outbound call center services, covering customer support, technical support, sales, and multilingual operations. Founded in 2010, the agency delivers offshore and remote support for global businesses across eCommerce, healthcare, real estate, and finance...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • IT Services
    • BPO
    • Customer Support
    • Show more
    Location
    Sugar Land, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    IdeasUnlimited Services

    • Call Centers
    • Phone Answering Services
    • IT Services
    • BPO
    • Customer Support
    • Transcription Services
    • Market Research
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • BabeBox
    • PatPat
    • Sapphire
    • Messenio
    • Stevens Realty
    • Justin TV (now known as Twitch TV)
    Data sourced from the agency's DesignRush profile

    IdeasUnlimited Reviews & Testimonials

    • Kimberly Weber President and Founder at Iowa Home Care
      5.0★

      BPO Review from Kimberly Weber

      We brought on IdeasUnlimited to help with our back office work so our nurses and staff could stay focused on clients. They handle scheduling, reports, emails, and client inquiries, and they picked up new tasks fast with very little training. The time we save is huge, and it makes our daily operations smoother. What I like most is they really try to fit into how we work, so it feels like they are part of our own team. The onboarding took a little time, but once we got set, everything has been running well.

    • Miriam Woodward
      Miriam Woodward Founder President and CEO at De Dios Consulting
      5.0★

      BPO Review from Miriam Woodward

      IdeasUnlimited has been a dependable partner for us at De Dios Consulting. They handle our scheduling, emails, research, and reports, which freed up time for us to focus on clients. What I value most is how quickly they adapt and how much they feel like part of our team. The only challenge was getting them up to speed on a few tools, but once they learned, everything has been smooth.

    • Jeffrey Bill
      Jeffrey Bill Founder & CEO at Sunrise Treatment Center
      5.0★

      Medical Review from Jeffrey Bill

      Working with IdeasUnlimited has been a real help for us at Sunrise Treatment Center. We brought them in to handle our medical billing so our staff could focus more on patients. They learned our system fast and cut down on errors which meant we got paid quicker and had better cash flow. Communication has always been easy and they adjust when we need something changed. What stood out most is how detailed and reliable they are. Nothing is ever perfect but they came pretty close.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Diving Into Technology

    Riseup Labs is a global AI-first technology company delivering software, BPO, and CX solutions that help enterprises innovate faster, scale smarter, and grow sustainably. From Bangladesh to the world, we design and build reliable solutions and agentic workflows that drive real outcomes...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Staff Augmentation
    • Show more
    Location
    Dhaka, Bangladesh
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed

    Riseup Labs Services

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Staff Augmentation
    • BPO
    • Design Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • UNICEF
    • Murka
    • World Health Organization (WHO)
    • Las Vegas Sands
    • Voodoo
    • Gameloft
    Data sourced from the agency's DesignRush profile

    Riseup Labs Reviews & Testimonials

    • MRIDUL KUMER
      MRIDUL KUMER Review from Google
      5.0★

      MRIDUL KUMER's Review Sourced from Google

      I had a great interview experience with Riseup Labs for the Amazon Marketplace Executive position. The interviewers were professional, friendly, and respectful throughout the process. They created a comfortable environment where I could confidently discuss my skills and experience.The recruitment process was well-organized, and communication was clear and timely. Regardless of the final outcome, I appreciate the opportunity to interview with such a professional team.Thank you, Riseup Labs, and I wish the team continued success.

    • Ruman Hawlader
      Ruman Hawlader Review from Google
      5.0★

      Ruman Hawlader's Review Sourced from Google

      I had a great interview experience with Riseup Labs. The interviewers were professional, friendly, and respectful throughout the process. The discussion was well-structured and gave me a clear understanding of the role. Thank you for the positive experience.

    • Tanvir Hossain
      Tanvir Hossain Review from Google
      5.0★

      Tanvir Hossain's Review Sourced from Google

      I had a very positive interview experience with Riseup Labs for the Data Analyst position. The interview process was well-organized, and the interviewers were professional, respectful, and approachable. They created a comfortable environment where I could discuss my technical skills, problem-solving approach, and previous experience with confidence.I especially appreciated the clear communication throughout the process and the opportunity to showcase my knowledge. Overall, it was a valuable learning experience, regardless of the outcome. Thank you to the Riseup Labs team for your time and professionalism. I wish the team continued success.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Excellent People, Exceptional Service

    Upstream BPO Leads The Industry. With Multilingual And Omnichannel Support And Customer Experience (CX), Back-Office, Inside sales, tele sales, Lead generation, Digital Transformation, And Intelligent Automation Solutions. Our BPO Experts Have Over 25 Years Of Experience In Delivering Value And Better...

    Top Services:

    • Call Centers
    • BPO
    • HR Outsourcing
    • Customer Support
    • Show more
    Location
    Kuala Lumpur, Malaysia
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $8/hr
    Minimal Budget
    $1,000 - $10,000

    Upstream BPO Services

    • Call Centers
    • BPO
    • HR Outsourcing
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Changi Travel Services
    • Honeywell
    • Grab
    • TADA
    • Shell
    • Senoko Enenrgy
    • HP
    • Ninja Van
    • Cainiao
    • Best Express
    Data sourced from the agency's DesignRush profile
  • Outsourcing Led By Your Most Trusted Partner

    Olymp BPO is a specialized outsourcing partner that delivers high-performance web development and comprehensive customer support solutions...

    Top Services:

    • Web Development
    • Mobile App Development
    • BPO
    • Phone Answering Services
    • AI Development
    • Show more
    Location
    Pristina, Kosovo
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000

    OLYMP BPO Services

    • Web Development
    • Mobile App Development
    • BPO
    • Phone Answering Services
    • AI Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Real Estate Industry
    • Gaming Industry
    • Media & Communications Industry
    Data sourced from the agency's DesignRush profile
  • Pipeline built. Meetings booked. Repeat.

    Pixalrity is a B2B client acquisition agency that builds done-for-you outbound systems for companies that need a predictable pipeline. We run LinkedIn outreach, cold email, and cold calling campaigns targeting the right decision-makers at the right time. Our work is hands-on and results-driven. We've...

    Top Services:

    • Digital Services
    • Digital Marketing
    • CRM Consulting
    • Digital Strategy
    • Business Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000

    Pixalrity Services

    • Digital Services
    • Digital Marketing
    • CRM Consulting
    • Digital Strategy
    • Business Consulting
    • Customer Support
    • Phone Answering Services
    • Web Design
    • Media Buying
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Chicago-based AI Governance Company
    • Myemployment
    • Cyvra
    Data sourced from the agency's DesignRush profile
  • If speaking kindly to plants helps them grow imagine what speaking kindly to humans can do.

    At Customer Umbrella, we pride ourselves on delivering professional, secure, and multilingual customer support services to our clients. With round-the-clock availability, 365 days a year, we ensure that our clients receive exceptional assistance at affordable rates...

    Top Services:

    • Call Centers
    • BPO
    • HR Outsourcing
    • Phone Answering Services
    • Translation Services
    • Show more
    Location
    Varna, Bulgaria
    Number of Employees
    500 - 999
    Minimal Budget
    $1,000 - $10,000

    Customer Umbrella Services

    • Call Centers
    • BPO
    • HR Outsourcing
    • Phone Answering Services
    • Translation Services
    • Transcription Services
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Fantastic Services
    • Colossi
    • First Online Solutions
    • NFP Research
    • Third Time Games
    • Win24 Bet
    Data sourced from the agency's DesignRush profile
  • We Light Up Your Growth

    Lytup is a Paris-based marketing agency driving brand growth through digital marketing, lead generation, and experiential campaigns. We help B2B and B2C companies attract qualified audiences, convert prospects, and create memorable brand experiences with a 360° approach built for measurable impact...

    Top Services:

    • Event Marketing
    • Digital Marketing
    • Call Centers
    • SEO
    • PPC
    • Show more
    Location
    Paris, France
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000

    lytup Services

    • Event Marketing
    • Digital Marketing
    • Call Centers
    • SEO
    • PPC
    • CRO
    • eCommerce Development
    • Web Design
    • Email Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Asus
    • Acer
    • Arrow
    • Also
    • Team4b
    • Kifwat
    • Busyplace
    • Softvalue
    • Klaxoon
    • Microsoft
    Data sourced from the agency's DesignRush profile

    lytup Reviews & Testimonials

    • Yahya Oudra
      Yahya Oudra Review from Google
      5.0★

      Yahya Oudra's Review Sourced from Google

      We’ve had a great experience collaborating with Lytup to enhance our digital online presence. The team is highly professional, knowledgeable, and easy to work with. Their expertise clearly shows in the quality of their work, and communication has been smooth throughout.We’re very happy with the collaboration and look forward to continuing working together. Highly recommended!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

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Every agency is independently vetted before it can be listed or ranked

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We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
128,927+
2

Portfolio Review

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

Applicants rejected
47%
3

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We monitor listings regularly; outdated agencies are removed.

Agencies verified
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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.