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 05, 2026
DesignRush evaluates all telemarketing firms based on their expertise, success stories, and verified client reviews. Some listings may be paid.
Protel BPO, nothing matters more than how your customers view your brand how they interact with it
Protel BPO, nothing matters more than how your customers view your brand how they interact with it
Protel BPO provides inbound voice, outbound voice, live chat, and back-office outsourcing from two call center locations in Belize, operating in US Central and Mountain time zones with native English and bilingual Spanish agents. Since 2012, it has served retail, healthcare, and travel clients...
A Leading Outsourcing Center in Europe with the Healthy Ambition to Remain at the Top! Our business is on par with the standards established by the industry thanks to the exceptional quality and industry understanding that we provide. You may be certain that we will provide you the highest possible level of...
A global Digital Marketing Agency helping brands streamline and scale their business with bespoke SEO, Social Media Marketing, PPC, Email Marketing, Content Marketing, Database generation, Lead Generation, Branding, and Website development solutions.
We help you grow your business online...
Comprehensive Outsourced Customer Support Services
Comprehensive Outsourced Customer Support Services
With a 98% client retention rate, Uassist.ME provides nearshore bilingual BPO contact center programs and virtual assistant services to US and Canadian businesses. BPO programs cover customer service, technical support, sales, healthcare, legal process, and financial services...
We are an award winning Malaysian company in the areas of Customer Experience, Learning & Training, Human Resource Outsourcing ,Talent Management and Business Process Outsourcing (BPO). Providing cost effective contact centers, Business Process, IT and Managed services from Malaysia...
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...
Backend Communications #1 Contact center/BPO company that provide dedicated highly professional contact center/call center agents all over the world...
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...
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...
Helping US companies to find best talents for back office jobs
Helping US companies to find best talents for back office jobs
Deducto is your one-stop shop for connecting top Colombian job seekers with U.S. companies. We specialize in sales, customer service, and data entry roles, providing comprehensive services for both employers and candidates to ensure a perfect match...
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%...
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...
Elevate your online presence with UseCodify, your partners in web design and digital marketing. We specialize in creating captivating websites and boosting your visibility through SEO and innovative strategies. Let us help you stand out, connect with your audience, and achieve your digital dreams...
Agency Y provides cold calling, appointment setting, and email marketing services for small and medium-sized businesses. Operating from Skopje, Macedonia with agents trained for US and Canadian markets, the agency offers both hourly and performance-based cold calling pricing with no contracts...
Kontaktikeskus runs 24/7 inbound and outbound call center operations for 50+ clients across Estonia and internationally, covering customer service, telemarketing, and AI-assisted sales and support. The call center provider boasts 16+ years in the Baltic market and holds offices in six Estonian cities...
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...
Get cost efficiently, improve your business processes and let your firm growth.
Get cost efficiently, improve your business processes and let your firm growth.
Outsourcing service which we are provider is dedicated solution for foreign companies. We have e-commerce specialists doing expansion at amazon, ebay, aliekpress,allegro and more marketplaces.
We also provide iGaming solutions as a customer support 365/24/7 and compliance team...
Ziscomm is a leading Business Processing Outsourcing (BPO) Company.
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...
We are company specializing in outbound sales, aiming to help you increase your number of clients or customers. Our business models goal is to schedule meetings with potential clienst for you...
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...
Ferio Solutions is a Business Process Outsourcing company serving businesses across the USA, Canada, UK, and global markets, providing customer support, offshore teams, lead generation, sales, and back-office solutions...
ATM Group is a customer operations and revenue outsourcing company. We deliver contact centre outsourcing, revenue generation programmes, multilingual support and AI-enabled optimisation in the UK, Europe and South Africa...
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...
Looking for a Reliable AI-Driven Outsourced Call Center in Indonesia? Callindo Delivers Top-notch Services to Enhance Your Customer Experience and Boost Your Business...
Your Partner in AI-Enabled Development, Marketing, eCommerce, Data Management, BI and Ops.
Your Partner in AI-Enabled Development, Marketing, eCommerce, Data Management, BI and Ops.
Tech2Globe provides inbound and outbound call center services as part of its BPO-KPO division, covering customer support, telemarketing, lead generation, virtual assistance, and call center monitoring. With 14+ years of operation and 12,000+ completed projects, it holds a 4.9 rating on DesignRush...
DMT Business Development runs cold calling, appointment setting, and multichannel lead generation campaigns for B2B companies across 30 countries. The Ottawa-based agency has delivered 2M+ leads and 10,000+ appointments over 7 years, with clients averaging a 2-5% prospect-to-appointment conversion rate...
Helpware CX is a call center company that runs inbound and outbound call centers across 19+ locations in 11 countries, supporting 45+ languages. The agency posts 90% CSAT and holds 30+ industry awards including the IAOP Global Outsourcing 100 and a Gold Stevie Award. Clients average a 5-year partnership...
Contact Center Services for Telecom, BFSI, Healthcare, Utilities, Travel, High-Tech Growth
Contact Center Services for Telecom, BFSI, Healthcare, Utilities, Travel, High-Tech Growth
With over 20 years of industry experience and a client base of 190+ companies spanning multiple sectors, Fusion CX Group is a trusted provider of top-notch call center and customer care services...
VerifiedVerified by the DesignRush team for authenticity and credibility.
All-In-One E-commerce Technology Solution Provider: Because Every Click Matters.
All-In-One E-commerce Technology Solution Provider: Because Every Click Matters.
Vserve Ebusiness Solutions is an AI-powered Supply Chain Management and Ecommerce company with 10+ years of global delivery. We provide offshore teams, BPO, procurement, order and inventory management, customer support, and ecommerce solutions to reduce costs and improve efficiency...
VerifiedVerified by the DesignRush team for authenticity and credibility.
where innovation come live
where innovation come live
We firmly believe in serving Innovation, with spiralling advanced technologies. Hence we make sure our team is fully trained and certified with the latest advancements. Our core principles are high reliability, scalability, upgradation, Innovation, and transforming our client's vision into reality...
At our website design agency, we specialize in creating custom websites for businesses in the handyman, power washing, cleaning, painting, and junk removal industries. We also have experience designing e-commerce and affiliate websites, as well as travel affiliate websites and portfolios.
Whether you're...
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...
CoderzHub is a digital agency that offers services ranging from website development, mobile app development, custom software developement and digital marketing...
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...
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...
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...
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...
Skyler is your trusted innovation partner for web and mobile app development, proudly based in India and serving ambitious startups and businesses around the world. Our purpose is evident: to fuel your journey of growth by seamlessly integrating highly skilled staff services...
Your Dedicated Ally in the World of Healthcare Credentialing.
Your Dedicated Ally in the World of Healthcare Credentialing.
Physician Credentialing Company specializes in streamlining provider enrollment and maximizing reimbursements, empowering healthcare practices to operate more efficiently. Our expert services ensure seamless credentialing processes that enhance the financial and operational success of medical providers...
Crystalised Outsprint delivers cutting-edge digital solutions tailored to modern business needs. Focused on secure infrastructure and human-centered design, the firm ensures seamless integration of technologies like artificial intelligence (AI), blockchain, and big data. Crystalised Outsprint's agile team...
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...
CallTel is a business process outsourcing, telephone answering service, and customer engagement company that works together. We provide cutting-edge digital solutions that enable and maximize the effectiveness of individuals, groups, and companies using technology...
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...
Capanicus is VoIP Call Center Software development Company, Our Team has 16+ years of exprience in software development, technology, consulting, system integration, cloud computing, mobile app development, and data analytics. Our team make sure sure that your business prospers in digital era by combining the...
Axendi is one of Europes leading providers of AI-powered contact center and BPO services. Since 2008, Axendi has been designing value-driven customer experiences by combining operational expertise with technology and in-depth vertical advisory...
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...
ContactWorks is high value / high touch contact center outsourcing business that has a 20+ year history of providing great customer support. We deliver value in a wide range of services including customer service, technical support and client acquisition...
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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