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
262 Companies-Rankings updated: September 25, 2026
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.
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...
Intelsa, a rapidly expanding call center in the BPO sector, is revolutionizing the industry through innovative services and fostering a high-performance culture, positioning us as a leading contact and user experience center...
Australia-based Provider Of Lead Generation Services
Australia-based Provider Of Lead Generation Services
Callbox Australia is a leading global provider of B2B lead generation services, trusted by companies across ANZ and beyond. Since 2004, weve been helping businesses achieve their revenue goals and unlock growth potential. With expertise in lead generation, appointment setting, and data solutions, we have...
Based in Marseille, ëtalik supports businesses and individuals in all their IT development projects in the Provence-Alpes-Côte d'Azur region and the South of France. Thanks to our local expertise, we offer reliable solutions tailored to your needs, ranging from application creation to application...
Korfshore is a global outsourcing partner delivering smart, scalable, and high-performance offshore teams across multiple industries. We help businesses reduce costs, streamline operations, and access specialized talent in finance, technology, logistics, healthcare, and back-office support. With a strong...
Dedicated virtual assistants and full phone teams, matched in 3 to 5 days, managed daily by our team, and backed by a 110-Day Guarantee. You run the business. We run the team...
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...
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...
For over 15 years, Gexel has been providing businesses with top-class call center services.Our team is dedicated to fostering strong strategic partnerships and collaborations with our clients...
Expert solutions for digital success. Tailored services include social media management, SEO, web design, and more. You can maximize ROI and engage your target audience with us...
UK B2B lead generation, appointment setting and digital marketing.
UK B2B lead generation, appointment setting and digital marketing.
UK B2B lead generation, appointment setting and digital marketing agency in Chorley. Automotive and fleet specialists with an in-house 30-seat UK call centre...
Virtual Assistant Services That Give You Your Time Back
Virtual Assistant Services That Give You Your Time Back
Ellite Assistant is a professional remote staffing and virtual assistant services company that provides dedicated remote support to businesses. The company helps business owners and teams delegate administrative, customer service, sales, marketing, technical, research, and operational tasks to virtual...
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...
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...
DGC BPO Service is a premier US-based outsourcing company offering expert customer service, call center solutions, virtual assistance, and lead generation. We help businesses optimize operations, improve customer experiences, and drive growth with tailored, efficient solutions...
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...
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...
Our core value at ROI CX Solutions is delivering tailored call center outsourcing solutions that scale with your business. Impressive outcomes define our legacy in customized scripting, agent training, and seamless onshore-offshore staffing blends—ensuring 24/7 support that drives exceptional customer...
LTS Global Digital Services, based in Vietnam, specializes in providing comprehensive digital BPO services. Our expertise encompasses data processing, RPA solutions, and a range of other business process outsourcing services designed to enhance operational efficiency and drive growth for our clients...
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...
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...
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...
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...
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...
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...
B2B Lead Generation | B2B Appointment Setting | Cold Calling Services and More
B2B Lead Generation | B2B Appointment Setting | Cold Calling Services and More
CallingAgency books qualified B2B appointments with decision makers for your sales team. We have served more than 2,100+ businesses across 50+ industries in the US, Canada, and Australia...
We offer best-in-class contact centre BPO service and business results in our target regulated-industry verticals, as evidenced by our dominance and client relationship tenure in those verticals...
Ouvriex LLC was established in 2021 as part of the FORM Production Group, which originated in 2005. The company operates as a comprehensive business solutions provider, offering services that include human resources solutions, legal consultations, taxation advisory, facility management, and workspace rentals...
First Call Solutions helps businesses grow through performance marketing, lead generation, and pay-per-call solutions. We specialize in delivering high-quality leads, inbound calls, and customer acquisition solutions across insurance, healthcare, home services, legal, and financial industries. Our focus is on...
We provide sales and Backend support to many business all across the Australia, since 2012 we started with 4 now we are family of 104 all across the Globe , we believe in innovation and once you walk in to us us can find each and every thing that help to build good and strong Business that can run for decades...
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...
American quality call center and outsoured services at Philippine rates
American quality call center and outsoured services at Philippine rates
Loop provides a pinnacle of outsourced customer support as a service, encompassing top-tier customer service, potent retention strategies, and robust sales techniques...
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...
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...
ENVO BPO is an award winning, ISO certified business process outsourcing company established in 2009 in Malaysia with the objective of assisting companies to grow their business via the concept of outsourcing. We pride ourselves as the specialist in contact centre services such as customer / helpdesk /...
Paul Virtual Solutions, based in Regina, Saskatchewan, offers a range of services including International Trading, BPO, Call Center & HR Solutions, and Affiliate Marketing led Sales Solutions to clients globally. We excel in facilitating seamless connections between Manufacturers, Suppliers, and Potential...
From managing customer support to handling back-office tasks, we streamline operations and improve efficiency, ensuring your focus stays on driving strategic growth and achieving long-term success. With a global presence and a local touch, Activ8 Asia is your trusted BPO partner. We bring a world of...
At Linked2U call center, we are more than just a business process outsourcing (BPO) and call center company; we are your dedicated partners in success.Our core belief centers around the transformative power of collaboration.We understand that in today's fast-paced and interconnected business world...
Global collaboration and expansion does not need to be complicated. At Elite Precision Consulting, we help organizations enter and penetrate global markets with both ease, strategy and peace of mind. With nearly 2 decades of international business management experience, we place value on creating synergistic...
We offer specialized solutions in digital marketing, back-office support, and talent acquisition. AGO M.I.D.A.S. enhances brand visibility through innovative advertising. AGO B.O.S.S. streamlines operations with expert support. AGO T.A.L.E.N.T. connects businesses with top professionals. Our expertise helps...
Scalable BPO Services To Support Your Business Operations
Scalable BPO Services To Support Your Business Operations
Call Point Business Solutions Ltd. is a business process outsourcing company established in 2017. The company provides customer-facing, administrative, technical, financial and sales support services to international businesses...
We are a marketing agency specialized on generating advertising and promotions for all available in the market digital platforms.We aim to become trusted advisors to our customers, offering integral solutions and constantly adapting to our customers trends and changes at the digital environment...
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.
ReceiveProposals
For your project
1
Specify your budget, timeline and project requirements
2
Our experts curate a list of up to 5 most qualified candidate agencies
3
We connect you with them so you can choose the most suitable partner
4.7
4.7
Proposals