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
10 Companies-Rankings updated: September 06, 2026
DesignRush evaluates all telemarketing firms based on their expertise, success stories, and verified client reviews. Some listings may be paid.
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...
Top Services:
Email Marketing
BPO
CRM Consulting
Business Consulting
Direct Marketing
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Location
Las Vegas, Nevada
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
Leadium Services
Email Marketing
BPO
CRM Consulting
Business Consulting
Direct Marketing
Customer Support
Market Research
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Square
Rackspace
Microsoft
LG
DirecTV
OSRAM
Time Logistics
Palo Alto Networks
Amada Senior Care
brightwheel
Data sourced from the agency's DesignRush profile
Leadium Reviews & Testimonials
Scott Proffitt VP of Sales at Energy Assurance
5.0★
AI Marketing Review from Scott Proffitt
Our monthly leads have gone up by 3x with Leadium. This allows us to focus on production efficiencies.
Sam Jennings Sales Manager at Best Bees Company
5.0★
Call Centers Review from Sam Jennings
Finding Leadium changed the way our team operates. They've been able to fill our pipeline with the people we want to talk to so we can focus on beekeeping.
Marcos Moura Founder and COO at Amada Senior Care
5.0★
Call Centers Review from Marcos Moura
Leadium is able to speak to our prospects as if they're Amada themselves. They're filling our pipeline in a way we couldn't!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
Direct Marketing
Call Centers
Digital Marketing
Advertising
Event Marketing
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Location
Durham, United Kingdom
Number of Employees
50 - 99
Average Hourly Rate
$47/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
5 Projects Listed
Voicentric Services
Direct Marketing
Call Centers
Digital Marketing
Advertising
Event Marketing
Market Research
Phone Answering Services
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
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...
Top Services:
Customer Support
Business Consulting
Call Centers
Email Marketing
CRM Consulting
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Location
Manchester, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$35/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
12 Projects Listed
Munzai Solutions Services
Customer Support
Business Consulting
Call Centers
Email Marketing
CRM Consulting
Managed Services
BPO
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Souqh
Maxyfi
Konch
Skriber
Data sourced from the agency's DesignRush profile
Munzai Solutions Reviews & Testimonials
Davey Warren 🍐 CEO at Pearagon
5.0★
Outbound Review from Davey Warren 🍐
Munzai Solutions has been a great partner for our outbound outreach. What stood out most was their communication. They checked in with us daily and weekly, kept us updated every step of the way, and worked closely with us to identify our target clients and the best directions to pursue. That level of consistent communication made the whole engagement feel efficient and collaborative, and it is a big reason we felt we got the best bang for our buck. We enjoyed working with them and would recommend them to other companies looking for a communicative, responsive outbound partner.
Sam Bartow Moreno Founding GTM Director at CourtNexa
5.0★
Appointment Setting Review from Sam Bartow Moreno
Munzai Solutions are amazing to work with. They got started immediately and booked multiple meetings in the first few days. I’m very happy with the results and the support they offered us. If you’d like to ask any questions about the service feel free to contact me at +1 458 600 8797I’m very satisfied. And would highly recommend them.
Brian Oltmanns CEO at GoFindBuild
5.0★
Call Centers Review from Brian Oltmanns
I am very happy with this team and their performance. They were organized, provided consistent updates, and always made suggestions to pivot if results were falling short. I would highly recommend them.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
Call Centers
Phone Answering Services
Customer Support
BPO
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Location
Lagos, Nigeria
Number of Employees
500 - 999
Average Hourly Rate
$25/hr
CallTel Communications Limited Services
Call Centers
Phone Answering Services
Customer Support
BPO
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Partnering with CallTel helps you to keep focus on the big things while they help you take care of the little important things that matter to your business.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
SEO
Digital Marketing
WordPress Website Design
Digital Services
Social Media Marketing
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Location
Pune, India
Number of Employees
Under 49
Average Hourly Rate
$15/hr
Minimal Budget
Under $1,000
Espial Solutions Services
SEO
Digital Marketing
WordPress Website Design
Digital Services
Social Media Marketing
Content Marketing
Email Marketing
PPC
Customer Support
eCommerce
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
TelerainMD
Boomerang Transportation
Bow and Baan Technology Services Pvt. Ltd.
Data sourced from the agency's DesignRush profile
Espial Solutions Reviews & Testimonials
Ahmed Iqbal Khan Senior O&M Engineer at Amin Renewable Energy Company SAOC at Amin Renewable Energy Company SAOC
5.0★
PPC Review from Ahmed Iqbal Khan
Espial worked for us to deliver quality leads through PPC campaigns. Our challenge was that we hardly had 1% conversion from all the clicks that we were getting through Google Adwords. Within a month our lead to conversion increased from 1% to 5%, that was a remarkable achievement. They know which design and content works best. The level of communication and responsiveness that we receive from them makes them incredibly easy to work with.
Saurabh Agarwal IT Manager at TelerainMD Inc
5.0★
SEO Review from Saurabh Agarwal
We are very satisfied with the services received so far in these 7 months. Because of Espial Solution's efforts, the site's traffic boosted and most keywords used got high-rankings on Google search. As a result, the client receives more organic conversions and customer satisfaction. The team is very professional and punctual.
Rajeev Mehta President at Medical Transportation Company
5.0★
Digital Marketing Review from Rajeev Mehta
Working with them is quite fluid, they are available 24 hours of the day. Thanks to the work of Espial Solutions, website traffic increased and sales grew by almost 50%. The workflow is fluid, as the team is available all day. The client is impressed with the analytical way that Espial Solutions did their work, studying the business model first before starting.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
BPO
eCommerce
Accounting
Phone Answering Services
Customer Support
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Location
Tirana, Albania
Number of Employees
500 - 999
Average Hourly Rate
$14/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
3 Projects Listed
EuroCom CX Services
BPO
eCommerce
Accounting
Phone Answering Services
Customer Support
Call Centers
Business Consulting
Market Research
HR Outsourcing
Translation Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Rocket Sharing
Audika Group
Digital One
Vodafone
TIM
Data sourced from the agency's DesignRush profile
EuroCom CX Reviews & Testimonials
Siar Residence Review from Google
5.0★
Siar Residence's Review Sourced from Google
We’ve been working with EuroCom CX Services for our real estate campaign, and the results have been outstanding. Their team has been instrumental in helping us connect with potential buyers and renters, streamline our communication processes, and improve overall lead conversion.EuroCom CX has a deep understanding of the real estate industry, and their tailored solutions really made a difference in how we manage inquiries, follow-ups, and customer engagement. Their multilingual support allowed us to reach a wider audience, which was crucial for our international property listings. Whether it’s through live chat, phone support, or email, their team is always responsive and professional, ensuring no lead is missed.The customer experience management they provide is exceptional—they ensure every touchpoint with potential clients is smooth and efficient, from initial inquiries to final negotiations. Their ability to capture valuable insights and feedback from customers helped us fine-tune our strategies and better cater to our clients’ needs.If you're in the real estate sector and looking to improve your client engagement and sales process, I highly recommend EuroCom CX Services. Their expertise, flexibility, and commitment to results make them an invaluable partner.
Gaetano Ferrara Review from Google
5.0★
Gaetano Ferrara's Review Sourced from Google
I was a EuroCom CX customer for a telecommunications project, and I must say I was extremely satisfied with their work. Their expertise in customer experience management is evident in every aspect of their service.What impressed me most was their ability to provide customized solutions to meet our specific needs. EuroCom CX carefully analyzed our current customer experiences and developed tailored solutions to improve our customers' interactions with our company. Thanks to their knowledge of the telecommunications industry, they provided solutions we hadn't even considered previously.Furthermore, their focus on ensuring a seamless customer experience across every touchpoint was extraordinary. This significantly improved our interactions with our customers and created a foundation for their loyalty and increased satisfaction.Their commitment to innovation was also a significant factor in our collaboration. EuroCom CX has provided us with cutting-edge technology platforms that have allowed us to improve our business efficiency, obtain real-time feedback from our customers, and optimize our operations to achieve our business goals.Finally, their excellent customer service and technical support have been impeccable. Their team has been responsive, professional, and available to answer all our questions and resolve any issues we encountered during our collaboration.In summary, I highly recommend EuroCom CX to any telecommunications company looking to improve customer experience, increase customer loyalty, and achieve business results. Their expertise, customized solutions, focus on customer experience, and commitment to innovation have been key factors in our successful collaboration.
Josè Freitas Review from Google
5.0★
Josè Freitas's Review Sourced from Google
As a client in the automotive industry, I had the pleasure of partnering with EuroCom CX to enhance our customer experience and ultimately increase and upscale our clientele. Working with EuroCom CX has been a game-changer for our business, and we are grateful for the exceptional support and guidance they have provided us.One of the most significant ways EuroCom CX helped us was by providing customized solutions that catered to our unique needs and requirements. Through a thorough analysis of our existing customer experience, EuroCom CX identified areas of improvement and developed tailored solutions to enhance our customer engagement and satisfaction. These solutions were not generic but tailored to our business, which made a significant difference.EuroCom CX's focus on delivering a seamless customer experience across all touchpoints was another critical factor in our success. From the initial contact to post-sale follow-up, EuroCom CX ensured that each customer interaction was seamless and consistent. This approach fostered customer loyalty and enhanced the chances of repeat business and positive referrals, ultimately leading to increased clientele.We were particularly impressed by EuroCom CX's commitment to technology and innovation. The company's sophisticated platforms integrated seamlessly with our existing systems, providing real-time insights into customer behavior and preferences. This data allowed us to make informed decisions and optimize our operations to drive revenue growth and expand our clientele.Finally, EuroCom CX's excellent customer service and support were outstanding. The team was responsive, knowledgeable, and professional, always going above and beyond to ensure our satisfaction. This level of support helped us to build a strong relationship with EuroCom CX and provided us with the confidence to trust them with our business needs.Overall, partnering with EuroCom CX has been one of the best business decisions we have made. Through their personalized approach, focus on delivering a seamless customer experience, commitment to technology and innovation, and excellent customer service, EuroCom CX helped us increase and upscale our clientele. We highly recommend EuroCom CX to any business seeking to enhance their customer experience and drive growth.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
HR Outsourcing
Business Consulting
BPO
Customer Support
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Location
Muntinlupa, Philippines
Number of Employees
500 - 999
Average Hourly Rate
$10/hr
Minimal Budget
$1,000 - $10,000
Smart Outsourcing Solution Services
HR Outsourcing
Business Consulting
BPO
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Locomote
Convertr
The Solicitors Group
Virtual Labs
Nikken International, Inc.
AECO Energy Philippines
CapAll Tax
Fun Kids Guide
Professional Dentistry
Data sourced from the agency's DesignRush profile
Smart Outsourcing Solution Reviews & Testimonials
Michael Konomanyi Review from Google
5.0★
Michael Konomanyi's Review Sourced from Google
Smart Outsourcing Solution took us from zero to a fully operational, globally capable support team in record time. We have worked with this team for a number of years now and could not be happier with our team members.They recruited and onboarded top‑tier talent with them available and ready to go as soon as we needed, and also handled all compliance and payroll headaches.Thanks to SOS’s 24/7 tech‑support desk, our new team now supports Fortune 500 customers across three continents without a hitch; issues are resolved in minutes, not days.Weekly progress calls keep us fully informed while their proactive approach means we scale smoothly, with no need to set up a local entity.If you want a turnkey way to build a remote team that can confidently serve the world’s biggest enterprises (complete with rock‑solid tech and SaaS support) I can’t recommend Smart Outsourcing Solution highly enough.
ben howlett Review from Google
5.0★
ben howlett's Review Sourced from Google
We were overwhelmed by seasonal spikes in customer enquiries, plant care scheduling, and online orders across multiple garden centres. Smart Outsourcing Solution’s Employer of Record (EOR) service helped us quickly hire a remote horticulture support team in the Philippines, handling compliance, payroll, and onboarding end‑to‑end. Result: faster response times, better stock and planting coordination, and the ability to scale our support across Southeast Asia without setting up local entities.Project OverviewWe needed reliable admin and customer support coverage to manage planting schedules, subscription garden kits, and care advice lines during peak growing months. SOS acted as our EOR, standing up a trained offshore workforce that now supports order management, chat support, and seasonal campaigns.What Do You Like the Most About Working with Smart Outsourcing SolutionThey understood seasonal labour swings and let us scale remote teams up or down without HR complexity. Compliance and payroll were fully managed, so we could focus on growing healthy gardens — not navigating labour law.What Can Smart Outsourcing Solution Improve on FurtherA self-serve forecasting tool tied to our sales cycles would help us plan headcount ahead of spring and holiday promotions.Results & RecommendationIf you run a gardening or horticulture business and need flexible staffing, an Employer of Record (EOR) partner in the Philippines is a cost‑effective, compliant way to support growth, customer care, and seasonal demand across Southeast Asia.
Robert Greene Review from Google
5.0★
Robert Greene's Review Sourced from Google
Great service! Martin, Phil and the team really delivered for me when I needed help with the project. They found the staff I needed who were highly trained and competent, so it was a seamless process that made everything easier. Highly recommended.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
BPO
Location
Calgary, Canada
Number of Employees
50 - 99
Average Hourly Rate
$10/hr
Minimal Budget
$50,000 & Up
Korfshore Inc Services
BPO
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
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...
Top Services:
Call Centers
BPO
HR Outsourcing
Customer Support
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Location
Kuala Lumpur, Malaysia
Number of Employees
1000 & Up
Average Hourly Rate
$8/hr
Minimal Budget
$1,000 - $10,000
Upstream BPO Services
Call Centers
BPO
HR Outsourcing
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Hamedia is comprised of highly trained individuals who are experts in their respective fields. We take great pride in our ability to provide our clients with the best talent available. Whether you need sales professionals, marketing experts, or customer service representatives, we have team members who can...
Top Services:
Graphic Design
Video Production
Branding
Web Design
Web Development
Show more
Location
Irvine, California
Number of Employees
50 - 99
Average Hourly Rate
$7/hr
Minimal Budget
$10,000 - $25,000
Hamedia Services
Graphic Design
Video Production
Branding
Web Design
Web Development
WordPress Website Design
Social Media Marketing
Customer Support
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Secure Guard Security Services
SUSGlobal Enterprises
Guard Force
Data sourced from the agency's DesignRush profile
Hamedia Reviews & Testimonials
Haelie Ford Review from Google
5.0★
Haelie Ford's Review Sourced from Google
If you're looking for a team with a strong creative edge and a good sense of social media trends, Hamedia is worth considering. Just be clear about your expectations, timelines, and brand identity from the start to get the most out of the partnership.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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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