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
254 Companies-Rankings updated: September 05, 2026
DesignRush evaluates all telemarketing firms based on their expertise, success stories, and verified client reviews. Some listings may be paid.
Simplifying Your Digital Needs With Unlimited Skills
Simplifying Your Digital Needs With Unlimited Skills
Protovo Solutions is an experienced and reliable group of digital engineers, problem solvers, thinkers, consultants, and all-around specialists. We believe in providing one-of-a-kind solutions to everyone of our customers, since we are the creators of human experience. Our mission is to simplify the...
Call center firm SwiftCare Billing makes it easy to elevate healthcare operations and streamline claims, coding, and denials management for providers of all sizes. Superior solutions are born from our profound experience in medical billing and revenue cycle optimization...
Top Customer Service is an AI-assisted call center and BPO company, combining human agents with AI tools to deliver 24/7 inbound call handling, outbound support, live chat, and virtual assistant services. The agency caters to clients across eCommerce, media, entertainment, and automotive sectors...
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...
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...
BPO Company India | Call Center Outsourcing | Ascent BPO
BPO Company India | Call Center Outsourcing | Ascent BPO
Ascent BPO Services focuses on delivering quality call center outsourcing and customer care services. Our dedication to client satisfaction ensures high‑quality results in data entry, conversion, and support...
Hire a team in the Philippines at a fraction of the coast
Hire a team in the Philippines at a fraction of the coast
Digital Minds BPO services are among the top BPO company in the Philippines offering front office and back office services. They offer various services like customer support, back office support, creative services and technical support. Their global presence and expertise in BPO solutions have earned them a...
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...
Offering Contact & Call Center Services. Experience is everything. At NexRep, we know that creating exceptional experiences for our Marketplace Contractors inspires them to create exceptional customer experiences...
Ant Marketing is one of the UK's leading telemarketing companies, with over 27 years' experience of delivering effective inbound, outbound and multichannel marketing strategies as well as market research services to the very highest standards...
The Lead Generation Company is a multi-award-winning outbound B2B agency. We help companies generate new business through effective lead generation support...
Prospect Solutions is a Vancouver based integrated marketing consulting and professional telemarketing representation company . We develop customized marketing and sales programs to effectively approach, influence, advance, sell and get referrals for our clients since 2003. Our diverse menus of marketing and...
In Remote Team Solutions, we believe in people and contributing to their lives. That's why we build a great place to work where we make sure all the talented staff is motivated, happy, doing a great job, and well remunerated. It's fantastic to see people's lives being changed at the same time that we are...
We Focus On Customer Service So You Can Focus On Your Business.
We Focus On Customer Service So You Can Focus On Your Business.
Five Star Solutions is a premier, mid-sized contact center outsourcer dedicated to delivering world-class customer care. By blending boutique-level agility with enterprise-grade capabilities, the company serves as a seamless extension of its clients' brands...
Lease A Sales Rep, is an industry leader in the Call Center, Lead Generation and contracts sales space services; getting GUARANTEED appointments with decision makers, HOT leads and signed contracts for our clients with our inside and outside sales teams. We are hunters working at an INC 5000 company built in...
Magellan Solutions Outsourcing Inc. (Magellan) is an inbound and outbound call center and business processing outsourcing provider in the Philippines. Combining unrivaled expertise and capabilities across industries and business functions, we bring fresh and new approaches to strategies and operational...
Anomaly Squared is a contact & call center services provider. With our multiple domestic contact centers, we optimize internet & traditional marketing plans using both inbound & outbound strategies.
We know that your employees' time is both limited and valuable. With our live transfer and lead...
Green Leads provides our clients with the highest level subscription based Pipeline Generation services and enable our clients to achieve top line revenue growth and position them as their category leader...
Founded in 2003, 24×7 Direct is a leading Australian BPO with offices in Melbourne, Australia and Cebu, Philippines focused on delivering intelligent, intuitive and effective Managed Offshore Staffing solutions for Australian businesses...
Strategic Sales and Marketing (SSM) is a lead generation company specializing in B2B lead generation, appointment setting and managing sales leads for major accounts in multiple industry sectors. Founded in 1989 by Al Davidson, Strategic Sales and Marketing is widely recognized as one of the “leading...
Grow your pipeline. We know how. We book appointments.
Grow your pipeline. We know how. We book appointments.
VSA is a B2B call center that helps clients generate leads and produce new business; our experienced team takes on what internal sales teams don’t want to do, can’t do well, or don’t have time to do...
SureCall stands as a 24/7/365 outsourced customer support and multimedia contact center, uniquely distinguished by its cutting-edge technology, adaptable architecture, and streamlined programs...
AnswerForce delivers a suite of live, genial, and proficient phone answering services, alongside virtual reception solutions and beyond. Our seasoned team of customer-centric agents tend to your calls continuously, all year round, allowing you to concentrate on advancing your enterprise...
MarketOne is a global demand generation agency. We create and nurture leads, retain and grow customers, and give clients the confidence their marketing investments will produce quantifiable returns...
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...
We are customer service experts. Consider GCS when you need outsourced contract center support. We can staff and manage your internal center, operate a dedicated site for you or manage your program in a blended or shared center.
GCS is not your ordinary outsource provider or BPO. Our niche is customer...
Spanning the full range of litigation, contract lifecycle management and business enablement solutions, Integreon empowers law firms, corporations, professional services organizations and financial services institutions to deliver predictable outcomes allowing our clients to focus on what they do best...
JMS is a leading B2B lead generation firm serving companies that offer complex, often high-ticket solutions, products and services. Our clients rigorously test us against other lead generation firms, and we consistently prove our ability to meet or exceed their objectives. Based on this trust, clients make...
Arise’s roots go back to 1994, when we started out as a technology company selling a proprietary switch. We quickly saw where the future of the customer care world was headed and set out to shape and lead that future. The Arise® Platform launched in 1997 to enable a network of small enterprises to provide...
Redefining CX Excellence Through People, Technology and Expertise
Redefining CX Excellence Through People, Technology and Expertise
VSynergize is a Global Sales and Marketing services provider. The team is fully devoted to the success of its clients and partners, particularly when it comes to Customer Profiling, Content Creation & Syndication, Lead Generation & Nurturing, Demand Generation, Appointment Setting, BANT Leads, Delivering...
SAS specializes in tailored phone answering services, catering precisely to clients' unique business requirements. Our committed support team undergoes rigorous training to deliver outstanding solutions, encompassing a wide spectrum of needs, such as general customer service, billing inquiries, sales...
Scale Your Business. Let's be honest, “A Business That Isn’t Growing, Is Slowly Dying”. You should be focusing on strategies that bring you 10x Growth. GetCallers is here to help you achieve phenomenal growth by leveraging low-cost Outbound Cold Callers...
Offering Call Center Services. Celebrating our 25th year, TeleReach Corporate specializes in helping B2B companies dramatically improve the performance of their sales teams by utilizing a combination of productivity based tools and processes, and state-of-the-art technology...
We’re not just an answering service. We’re the human connection that brings life to your business with a live person on the other end. Get to know your call center and answering service personnel...
Contact & Call Center Outsourcing Support Channels & Audits.
Contact & Call Center Outsourcing Support Channels & Audits.
Callzilla is a full-service outsourced call center and business process outsourcing company with headquarters in Miramar, Florida. We help leading brands acquire and care for English-speaking and Spanish-speaking customers, placing the utmost priority on quality...
Exceptional customer care and service are not just buzzwords at QTAS. Everyone on our staff, from managers to call center agents, is highly trained, accessible, and responsive...
Upcall is a conversation-driven marketing and sales platform that uses real people to gather insights over the phone. It’s scalable, efficient, and seamlessly integrated within your existing workflow...
Tactical TeleSolutions (TTS) is a boutique lead generation agency in the Bay Area. TTS was established in 1991 and has developed innovative calling campaigns for Start Ups to Fortune 500 clients...
HIghPower call center is world renown near shore call center located in the heart of Tijuana minutes from the U.S border. Our team is bilingual, professional, and driven by performance goals. Our Call Center is second to none complete with a corporate structure and professional work environment...
CPC helps businesses manage every aspect of the customer experience. CPC provides a full suite of outsourced customer contact services, including: text/SMS messaging service (both automated and live, “peer-to-peer” text messaging), social media coverage for businesses, staffed live chat, AI/chat bots...
SalesHive is a B2B Lead Generation Agency that uses cold calling, email, and linkedIn to book meetings with qualified buyers by using our proprietary sales outreach platform and CRM...
Backend Communications #1 Contact center/BPO company that provide dedicated highly professional contact center/call center agents all over the world...
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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