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
86 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.
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...
USA Outsource Today is an American-led business process outsourcing (BPO) company that helps organizations scale operations through skilled talent and AI-driven solutions. The company provides cost-effective outsourcing services across customer support, sales development, back-office operations, and digital...
We specialize in managed and dedicated team staffing for small and large outsourced projects. Combined with a highly trained and educated staff, our company exists to make a deliverable outsourced product managed with Western-style business practices, and delivered with exceeded expectations. Our products are...
"Your Trusted Service Partner, Across the Nation."
ASK 2 PRO delivers expert virtual assistant services nationwide, helping businesses streamline tasks, boost efficiency, and expand their network. From admin to communication, we handle the details so you can focus on growth and success...
Professional Multilingual Communication And Support At Scale
Fluency LLC provides a comprehensive suite of human-led call center services designed to bridge communication gaps and enhance customer experience. Based in Columbus, Ohio, we specialize in high-stakes environments where linguistic precision and cultural empathy are essential...
The Agency MENA is a UAE-based B2B sales execution company that provides outsourced sales teams for businesses entering or expanding in the UAE market. Its field sales team operates across Dubai, Abu Dhabi, and the other Emirates, handling prospecting, meetings, negotiations, pipeline management, and...
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...
Founded in 2002, Antasis is a trusted Singapore-based provider of outsourced business solutions. We deliver world-class customer service, IT support, and back-office operations through a flexible, innovative workforce. Certified in ISO 27001, ISO 9001, Bizsafe Level 3, COPC, and Six Sigma, we ensure quality...
Led by a Cambridge MBA founder, RETLM BPO is providing cost effective but client focused outsourcing services to clients around the globe. These services cover range of industries including Real Estate, Edtech, Health care, Retail, ecommerce, transport, Telecom etc. Increase in Profit by 60%...
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...
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...
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...
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...
Hire Global Talent Without Borders Legal Risk Or Delays
Smart Outsourcing Solution (SOS) is your partner for compliant offshore hiring. With decades of recruitment experience and strong operations in the Philippines, we deliver remote-ready talent in AI, tech, and customer support. Our EOR solution handles everything from onboarding to payroll, giving you a...
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...
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...
Hills Dot is a rapidly expanding software development company committed to delivering outstanding services in web, mobile, and game development, as well as eCommerce, digital marketing, WordPress, SEO, and content writing. Our team tirelessly harnesses its artistic talents to transform your ideas into...
Brisk Web Services: Your Accelerator in the Digital Race.
Brisk Web Services serves as your accelerator in the digital race, offering tailored strategies, measurable results, and a fervent commitment to driving businesses forward in the online realm. With a focus on delivering customized solutions and tangible outcomes, we are dedicated to propelling our clients to...
AsterSense provides tailored CRM solutions, contact centre services, and WhatsApp integrations to enhance business efficiency, customer engagement, and growth...
Technodream provides high-quality, affordable web development, web design, online marketing, and call center services for businesses in the US, UK, and Australia...
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...
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...
Cavinolr Recruiters specializes in connecting top-tier talent with organizations in CS, Retention , sales, life sciences, healthcare, and biotechnology sectors. The firm combines industry expertise with personalized strategies to deliver exceptional recruitment solutions tailored to clients' unique needs...
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...
If speaking kindly to plants helps them grow imagine what speaking kindly to humans can do.
At Customer Umbrella, we pride ourselves on delivering professional, secure, and multilingual customer support services to our clients. With round-the-clock availability, 365 days a year, we ensure that our clients receive exceptional assistance at affordable rates...
At Go Hire Virtual, we help busy entrepreneurs and businesses scale without burnout. Our team of highly skilled virtual assistants handle the day-to-day, so you can focus on growth...
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...
CoderzHub is a digital agency that offers services ranging from website development, mobile app development, custom software developement and digital marketing...
LMS is unique in her way of operating. We implement High Performance Work Systems, driven by innovative thinking. This allows us to prioritize the Quality and Quantity of our services. Our skilled workforce is eager to get the job done!...
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...
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...
Ziscomm is a leading Business Processing Outsourcing (BPO) Company.
Ziscomm revolutionizes business connectivity through innovative communication solutions, empowering enterprises to thrive amidst competition with seamless collaboration and success-driven outsourcing services...
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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