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
187 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.
Backend Communications #1 Contact center/BPO company that provide dedicated highly professional contact center/call center agents all over the world...
CoderzHub is a digital agency that offers services ranging from website development, mobile app development, custom software developement and digital marketing...
We are one of India's leading contact centre company catering to US, UK, Australia, India, Middle East & South East Asia markets. Our core domains are Fintech, Healthtech, Edtech, Wellness, Healthcare, Ecommerce, FMCG, BFSI, Education among other domains...
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...
We provide Call Center service for e-commerce in emerging markets of Africa and Asia.We have local call center with in-house agents in every country of our presence...
Trained specialists for delivering positive customer experience allowing you to remain on top of your customers' minds. Outsourced customer support, technical reporting, and back office virtual assistants trained solely to provide upper edge to your overall business...
Our team knows the importance of staying on top of the latest developments and rapid change. Our flair for design and innovation allows us to stay ahead of the game...
International Call Center, IT, Lead Generation, Sales, Claims Entry, Data Processing, Property Preservation Work Order Processing, Order taking / Invoicing, BPO...
Pinpoint Technologies, Inc. is a U.S.-based data & list solutions provider that specializes in supplying highly targeted business contact lists. The company serves clients in industrial, engineering & scientific research sectors, offering services such as email/direct mail/telemarketing lists, list...
Attel is the Contact Center specialized in Comprehensive Customer Management that will help you connect, understand and communicate with each one of them...
Putting You in the lead.24/7 Lead Qualification and capture service
Putting You in the lead.24/7 Lead Qualification and capture service
HelloSells is a 24/7 Lead qualification, capture and response service. We help small businesses boost their conversion rate and improve their ROI. We instantly respond to your leads, qualify them and schedule appointments for you. We also provide call center and 24/7 appointment scheduling services...
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 /...
Our B2G sales team helps you set more meetings and win more deals with state and local government agencies at a fraction of the cost of hiring internally...
The definitive destination for your 360° multi-touch marketing"Experience the new way of lead generation, Change the way you sell." Get started today!...
TTEC combines BPO services design, strategic consulting, technology platforms, and operations excellence to deliver experiences that captivate customers and dramatically improve the bottom line. They help companies reduce customer effort, enable contact center employees, and continuously optimize business...
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...
Nordicom serves as your reliable partner, simplifying operations for companies seeking efficiency improvements. By outsourcing tasks like customer service, sales, or back-office duties, you not only reduce costs but also enhance outcomes. With Nordicom, you gain a committed long-term collaborator dedicated to...
Zaphyre is an Execution Service Partner helping B2B companies scale through content marketing, outbound sales, lead generation, and virtual staffing. We embed execution teams that turn strategy into measurable growth...
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...
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...
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...
Optimise efficiency and value by outsourcing your delegate sales
Optimise efficiency and value by outsourcing your delegate sales
Belgrade Karizma is a low-cost resource that can handle all aspects of sales, marketing, and lead generation for each project, or function as an integrated part of a bigger sales team. Customers who return year after year and become real brand ambassadors attend the most successful events. To do this, you...
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...
CALLFASST is committed to delivering exceptional services to its clients. We achieve this through advanced technologies, supported by a team of skilled and trained professionals. Our work philosophy revolves around openness and adaptability, as we strive to meet and exceed the high standards set by our valued...
Our UK based telemarketing and marketing agency is committed to delivering the results you need. We strive hard to ensure you get maximum value from our work, so that your business can continue growing!...
We aim to be Asia's largest consumer and business data asset owner and to provide high-impact digital marketing services, serving clients that demand high return-on-investment marketing results.Powered by data, we help businesses implement a successful digital marketing campaign through email marketing, SMS...
Infomedia offers businesses and government agencies with contact center and/or customer relationship management services of the highest caliber. We treat each client's demands as if they were our own, seeking to give genuine value and beyond expectations. We aim for the greatest outcomes by collaborating...
Direct Objective Consulting specializes in B2B marketing for small and medium-sized enterprises. With a focus on lead generation and commercialization, the agency serves technology, manufacturing, and service providers. Its mission is to maximize clients' marketing ROI through customized strategies that drive...
Through Total Quality Call Center, clients gain a partner dedicated to productive customer interactions and operational excellence. Our call center services deliver remarkable outcomes in customer support, sales, and omnichannel solutions...
Providing industry-leading call center services for over 33 years.
Providing industry-leading call center services for over 33 years.
CTC TeleServices is a highly experienced staff with cutting-edge technologies. We take a straightforward approach to every customer engagement and deliver industry-leading outcomes! Our clients credit CTC's timeliness, innovation, and strict attention to quality for the success of their initiatives. TC offers...
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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