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.
Best Telemarketing Firms
71 Companies-Rankings updated: September 04, 2026
DesignRush evaluates all telemarketing firms based on their expertise, success stories, and verified client reviews. Some listings may be paid.
Elevate your business outreach strategies with Webwers' innovative Bulk SMS Dialer Services and Cloud Contact Center solutions. Our services empower you to seamlessly connect with your customers, ensuring efficient and effective communication channels. With our cutting-edge Bulk SMS Dialer Services, reach...
Taking ownership of every call and providing a quality experience the first time, every time.
As a CCaaS our range of call center services includes customer care, telesurveys, customer contact, marketing services, web chats, email responses, technical support and work desk, customer insights, and data analysis. As a business process outsourcing provider in Trinidad and Tobago, we are committed to...
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...
We are the fastest-growing BPO in India. Offers the best business opportunities in the industry. Deals in non-voice process, voice process, BPO solutions, banking process, digital marketing, and IT projects...
Empire Solutions is a leading BPO contact center providing expert call handling and answering services. Connect with us anywhere for top call center solutions...
CallTel is a business process outsourcing, telephone answering service, and customer engagement company that works together. We provide cutting-edge digital solutions that enable and maximize the effectiveness of individuals, groups, and companies using technology...
We Match You with Global Vendors for Cost-Effective, High-Quality CX
RethinkCX connects businesses with the perfect outsourcing partner to elevate customer experience and reduce costs. As expert consultants, we match you with global vendors offering high-quality, scalable solutions tailored to your needs. Our technology-driven approach, including AI and analytics, ensures...
Technodream provides high-quality, affordable web development, web design, online marketing, and call center services for businesses in the US, UK, and Australia...
Konsyg is a global lead generation and sales outsourcing firm that delivers sales-ready leads, booked meetings, and scalable revenue growth for businesses of all sizes. We eliminate the hassle of cold outreach by providing pre-qualified, high-intent prospects, ensuring your sales team focuses on closing...
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...
Infuse your everyday tasks with a real-time, virtual acuity.
Task Virtual's team of experts has the timing and expertise to deliver your business needs—from daily duties to big projects requiring quality completion.
Empower yourself in this new age digital world where our highly skilled professionals...
While everyone is focused on artificial intelligence, joyno is focused on human intelligence. Our employees undergo a vigorous training regimen designed to enhance the enormous talent and innate thirst for knowledge they desire. A positive attitude and authentic gratitude fosters the team spirit to endure the...
Contact Center Source has been the most preferred partner of customer service, technical support, Back Office, and global services with 12+ languages capability for companies across North America, Australia, and EMEA region...
Airova is a global AI automation and CRM agency helping businesses streamline operations, boost client engagement, and scale revenue through smart automation. From AI voice agents and chatbots to CRM systems and lead management, we empower companies to run faster, smarter, and more profitably. Our mission:...
Everise offers enterprises the solutions and technology they need to rapidly scale their brands across markets, and to evolve their offering through the product or service lifecycle. Some of the world’s most loved brands have products and services that are tested, protected, supported and sold by Everise...
Backend Communications #1 Contact center/BPO company that provide dedicated highly professional contact center/call center agents all over the world...
Ferio Solutions is a Business Process Outsourcing company serving businesses across the USA, Canada, UK, and global markets, providing customer support, offshore teams, lead generation, sales, and back-office solutions...
Since 2015, SSR Techvision has provided top-quality outsourcing services, including Back Office Support, Call Center Operations, Sales & Business Development, Healthcare Support, and E-commerce Solutions, across India and the US...
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...
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...
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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