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
149 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.
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...
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...
Titanium Telemarketing takes pride in delivering exceptional and high-level sales skills through various freelancing platforms, ensuring a personalized and authentic approach without the use of robotic staff or insincere scripts. Our commitment is to provide genuine and effective telemarketing services...
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...
The Call Company is a Danish call center and telemarketing agency, offering telesales, customer service, fundraising, and appointment setting across phone, chat, SMS, and email. In 2025 it handled 505,000+ conversations with a 94% inbound answer rate and an average queue time of 20 seconds...
RAYA Customer Experience is a world-class business process outsourcing (BPO) and contact center outsourcing (CCO) service provider offering customer experience management, seat rental solutions, back-office, and digital services to global clients, including global Fortune 1000 companies in Europe, the Middle...
Tele Direct is a call center provider that handles patient scheduling, claims support, lead qualification, seminar reservations, Tier 1 tech support, appointment setting, and outbound telesales, with bilingual English and Spanish agents and dedicated account management on every account...
3D2B is a service provider whose primary business and expertise is in providing B2B customer acquisition solutions to high-technology companies worldwide. 3D2B executes all processes for its clients, delivering people, processes, and systems in order to implement and integrate all components of the customer...
SwiftCall is a Chicago-based AI automation agency that helps businesses streamline communication through 24/7 AI-powered call answering, lead capture, appointment booking, workflow automation, and customer engagement solutions. By combining intelligent voice agents with custom automation systems, SwiftCall...
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...
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...
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...
The Lead Generation Company is a multi-award-winning outbound B2B agency. We help companies generate new business through effective lead generation support...
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...
Since 1993. Transform Business Digitally. IT Managed Service Provider. IT Infrastructure Builder.
Since 1993. Transform Business Digitally. IT Managed Service Provider. IT Infrastructure Builder.
Over 30 years of experience in the IT Solutions and IT Support, Win-Pro is an institutional powerhouse delivering unparalleled standards to organizations across Singapore, Johor Bahru, and Kuala Lumpur. Our Outsourced IT Managed Services Company is leading the way with IT services for business...
TeleNet Marketing Solutions specializes in B2B telemarketing services designed to drive client success. By leveraging custom multi-channel outreach and effective appointment-setting strategies, TeleNet enhances revenue generation. Its dedicated lead development representatives become an integral extension of...
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...
CCJM Solutions is a boutique IT Consulting and BPO firm located in Atlanta, Georgia. We are passionate about helping businesses modernize operations while reducing costs. Our areas of expertise includes custom software, web, and app development, cloud migrations, staffing, and compliance management...
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:...
Agile, High Performance Voice Contact Services since 1990
Agile, High Performance Voice Contact Services since 1990
The Telemarketing Company has worked with telemarketing, telesales, lead generation, appointment setting, inbound call handling, and telephone market research since 1990. Operating 220+ seats with multilingual native-language speakers, it holds ISO 27001, ISO 9001, FCA, PCI Level 4, and MRS accreditations...
US-Based Outbound SDR Agency. Boutique. Multi-Channel. Real Pipeline.
US-Based Outbound SDR Agency. Boutique. Multi-Channel. Real Pipeline.
Leadium builds each engagement around channel-optimized lead research, identifying whether each prospect is best reached by phone, email, or LinkedIn before outreach begins. Thefirm provides outbound and inbound appointment setting, cold calling, data sourcing, and deliverability management...
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...
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...
Mysoft Heaven (BD) Ltd. is a Top Software Development Company with 15+ years of excellence. We specialize in enterprise-grade solutions like ERP, FinTech, e-Governance, and HRMS (HR Sheba). Our scalable SaaS platforms and Cyber Security solutions empower global organizations...
Denave is a B2B sales enablement organization based in Malaysia that offers a complete range of demand generation and lead generation solutions. Denave offers services including Business process outsourcing, digital marketing and B2B data services...
LHB Consulting, a London-based lead generation agency with two decades of experience, specializes in a range of services, including telesales, telemarketing, appointment scheduling, the creation and follow-up of email marketing campaigns, and data cleansing...
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...
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...
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...
Decimus makes it possible for you to convert a greater proportion of leads into sales appointments than is possible with any other approach, all while significantly streamlining and enhancing every facet of your business's sales processes...
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...
AsterSense provides tailored CRM solutions, contact centre services, and WhatsApp integrations to enhance business efficiency, customer engagement, and growth...
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!...
Voicentric are specialists in scientific marketing for Life and Materials Science companies. We deliver intelligent telemarketing and B2B lead generation that connects you directly with decision-makers worldwide. Our multilingual team excels at engaging scientists with complex technical information, building...
Martal Group runs outsourced B2B cold calling, appointment setting, lead generation, and SDR programs for companies across SaaS, fintech, cybersecurity, healthcare, and manufacturing, powered by 200+ onshore sales executives and proprietary AI outreach...
FunnlQ is a next generation lead generation service providers for B2B SaaS and Services companies. FunnlQ offers BDR as a Service, Appointment Booking, CRM consultation and Outbound consulting services...
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...
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...
At Apt Tech Studio, we believe that technology should work for you, not the other way around. Founded with the mission to simplify complex challenges, we offer a comprehensive range of software solutions designed to optimize business operations, drive innovation and create sustainable growth. We're on a...
SDR Teams, Lead Generation & Call Center Services for B2B Companies
SDR Teams, Lead Generation & Call Center Services for B2B Companies
Munzai Solutions provides B2B call center services covering cold calling, inbound call management, and customer support, with each engagement staffed by dedicated SDRs working 40 hours per week. The call center company's packages include a US-based dialer, project manager, and weekly reporting...
Reexia is a UK-based B2B lead generation and telemarketing agency helping companies connect with decision-makers and generate qualified business opportunities. Through targeted outreach, data-driven campaigns, and a combination of telemarketing and email marketing, Reexia supports organisations look...
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...
Tazriel is a global outsourcing partner providing affordable remote service expertise for Software Development, Microsoft Power Platform automation, Mendix app Builds, Cvent event technology support, IT Administration and AI Training. With 24/7 support and cost savings of upto 70%, we help businesses...
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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