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
7 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.
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...
Top Services:
Call Centers
BPO
Customer Support
Phone Answering Services
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Location
Belize City, Belize
Number of Employees
500 - 999
Average Hourly Rate
$14/hr
Minimal Budget
$50,000 & Up
ProtelBPO Services
Call Centers
BPO
Customer Support
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
J Crew
Sight Partners
Blue Valley
Data sourced from the agency's DesignRush profile
ProtelBPO Reviews & Testimonials
Jeffrey Warren
Customer Experience Expert at Macy's
5.0★
Call Centers Review from Jeffrey Warren
While working with Protel BPO, I had the pleasure of experiencing what can only be described as outstanding contact center service. From the get go, it was evident that the agents at the call center go above and beyond to ensure customer satisfaction and a quality experience. The representatives at Protel BPO were not only courteous but also highly knowledgeable about our products and services. They patiently listened to inquiries and provided detailed and accurate information, demonstrating a deep understanding of our company's offerings. What truly stood out was the efficiency of the call handling process. Clients experienced short wait times, and once connected, the representatives were quick to address their questions or concerns. The agents' professionalism was commendable. They always conveyed a genuine willingness to assist and went the extra mile to ensure customer satisfaction. It's evident that Protel BPO places a high value on providing top-notch service to its customers. I feel that it comes easy to them, probably because of the "Belizean" culture. Overall, my interaction with Protel BPOs call center surpassed my expectations. The combination of courteous representatives, efficient call handling, and a commitment to customer satisfaction makes them stand out in the space of customer service. I highly recommend Protel BPO's call center for anyone seeking a positive and hassle-free customer experience.
Jackie Capalleja
Customer Service Manager at Allstate
5.0★
Call Centers Review from Jackie Capalleja
As the Allstate manager involved in our partner relationship with ProtelBPO, I was extremely pleased with their inbound call center services. Their dedicated team efficiently handled our customer inquiries and requests with remarkable professionalism. The availability of 24/7 support ensured clients received prompt assistance. ProtelBPO's agents are well-trained and always eager to learn more. They take pride in having a deep understanding of our industry and our company's products and service offerings. The seamless integration of technology when needed enhanced and simplified our team's ability to oversee and manage their team. Their commitment to excellence is evident in every interaction, making them an invaluable partner in delivering top-notch customer service.
Paul Benefit
Regional Head Of Customer Service at H&M
5.0★
Call Centers Review from Paul Benefit
I am very pleased and impressed with Protel BPO's inbound call center services. Their team is professional and focused on quality. They have consistently delivered exemplary customer service, addressing our customers' queries and concerns with the utmost professionalism. The team at Protel has been proactive, responsive, and efficient, ensuring smooth operations and great customer satisfaction. We greatly appreciate their dedication and expertise, making Protel an invaluable partner for our customer service efforts.
Reviews verified by DesignRush and sourced from the agency's profile
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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...
Top Services:
Call Centers
BPO
Customer Support
Email Marketing
Market Research
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Location
Skopje, Macedonia
Number of Employees
Under 49
Average Hourly Rate
$17/hr
Minimal Budget
Under $1,000
Portfolios Count
3 Projects Listed
Agency Y Services
Call Centers
BPO
Customer Support
Email Marketing
Market Research
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Bike Exchange
Newell's Express Worldwide Logistics
Zero Defect Manufacturing
Kairos Promotional Agency
Essinta
Woolco Foods
Data sourced from the agency's DesignRush profile
Agency Y Reviews & Testimonials
Jimmy Mancini
Owner at Mancini Corp
5.0★
Lead Generation Review from Jimmy Mancini
I recently engaged with Agency Y for their cold calling services, and I am beyond impressed with the results. From the outset, their team exhibited a high level of professionalism and expertise that set them apart
Mark Stone
Managing Director at Mark Stone Advisory
5.0★
Lead Generation Review from Mark Stone
They helped us with cold calling and closed a decent number of clients. Will hire them again.
Cristiana Galbiati
Review from Google
5.0★
Cristiana Galbiati's Review Sourced from Google
I had the pleasure of working with Milan and his agency for telemarketing services for my Christmas light installation business, and I couldn't be more satisfied. They were punctual, precise, and incredibly well-organized. Milan was my main point of contact, and he ensured that every request was met with professionalism and efficiency. The quality of leads generated was impressive, and the entire experience was seamless. I highly recommend this agency for anyone looking for reliable and effective telemarketing services.
Reviews verified by DesignRush and sourced from the agency's profile
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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...
Top Services:
Web Development
AI Development
Mobile App Development
Software Development
Cloud Consulting
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Location
Dover, Delaware
Number of Employees
100 - 249
Average Hourly Rate
$40/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
8 Projects Listed
Apt Tech Studio Services
Web Development
AI Development
Mobile App Development
Software Development
Cloud Consulting
DevOps Consulting
ERP Consulting
HR Outsourcing
Call Centers
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Dedicated virtual assistants and full phone teams, matched in 3 to 5 days, managed daily by our team, and backed by a 110-Day Guarantee. You run the business. We run the team...
Top Services:
BPO
Customer Support
Call Centers
Location
Quezon City, Philippines
Number of Employees
50 - 99
Portfolios Count
1 Project Listed
Armasourcing Services
BPO
Customer Support
Call Centers
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Tekton Growth
NorCal Pool Service
Click Press Hub
Ask Away Health
Twin Cities Auto Auction
Data sourced from the agency's DesignRush profile
Armasourcing Reviews & Testimonials
Biboy Sama
Review from Google
5.0★
Biboy Sama's Review Sourced from Google
I’ve worked with other VAs before, but this company provides a different level of professionalism. My assistant is punctual, proactive, and requires minimal supervision. It’s like having a full-time employee at a fraction of the cost.
Zion Drake
Review from Google
5.0★
Zion Drake's Review Sourced from Google
Alessandra really listens. She matched us with a remote assistant who fits our company like a glove. And Eli’s leadership, grounded in faith and service, gives this business real soul.
Panoy Lorrie Claire V.
Review from Google
5.0★
Panoy Lorrie Claire V.'s Review Sourced from Google
Eli clearly knows how to build a values-based business. Every interaction I had with Allyza felt intentional and uplifting. We love our new hire—and the social impact makes us even prouder to be clients.
Reviews verified by DesignRush and sourced from the agency's profile
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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...
Top Services:
CRM Consulting
Software Development
eCommerce Development
Digital Services
Web Development
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Location
Bhilwara, India
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
Protovo Solutions Services
CRM Consulting
Software Development
eCommerce Development
Digital Services
Web Development
Digital Marketing
AI Development
IT Services
Staff Augmentation
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
IT Industry
Small Business Industry
Marketing Industry
Data sourced from the agency's DesignRush profile
Protovo Solutions Reviews & Testimonials
Mohamed Farrag Enab
Marketing Manager at Blue Ray Properties L.L.C
5.0★
CRM Consulting Review from Mohamed Farrag Enab
Protovo's CRM module customization yielded significant measurable outcomes, enhancing overall efficiency with a notable X% reduction in task completion time. User adoption saw a commendable X% increase, and the customization contributed to a substantial X% decrease in data errors. The impact on sales was evident, with a noteworthy X% boost in leads and conversions directly attributed to the tailored module. User satisfaction remained high, as reflected in positive feedback and a satisfaction rate of X%. Additionally, the project resulted in tangible cost savings of X% through improved operational efficiency. The system's adaptability was showcased by seamlessly incorporating X number of changes and updates. Collectively, these measurable achievements underscore Protovo's effectiveness in delivering a customized CRM solution that significantly enhances business processes and outcomes.
Anjali Nawal
Review from Google
5.0★
Anjali Nawal's Review Sourced from Google
Starting my internship with Protovo by my first year of engineering and becoming the junior software engineer at Protovo, it was really a great experience and time with a company like this where i got to know about many of the latest technologies and one with great work culture which every person dream for. A great boss is always a one people want in company and here I got three. Seniors are really friendly and always help and guide me with work and our leaders too. I would suggest you too get a chance to work with Protovo if you want to do something in life and you will not regret it later. Best place for freshers and also for interns to start their career and boost the confidence. Go with Protovo #protovian
Aakanksha Dadhich
Review from Google
5.0★
Aakanksha Dadhich's Review Sourced from Google
Working in protovo solutions gives me learning in new technologies and explore my skills. Company has friendly environment and work ethics.
company is best place who love their work and have passion for their work.
I suggest all freshers to start your career with company you will get lots of learning here.
Reviews verified by DesignRush and sourced from the agency's profile
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Express Virtual Assistant (EVA) is a globally managed virtual workforce solutions provider that helps businesses streamline operations through structured, performance-driven support systems. Founded in 2004 as a subsidiary of Flatworld Solutions, EVA goes beyond traditional outsourcing by offering a...
Top Services:
BPO
Creative Services
Graphic Design
Logo Design
Design Services
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Location
Princeton, New Jersey
Number of Employees
1000 & Up
Average Hourly Rate
$8/hr
Express Virtual Assistant Services
BPO
Creative Services
Graphic Design
Logo Design
Design Services
Product Design
Content Marketing
eCommerce
Video Marketing
Call Centers
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
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...
Top Services:
Digital Services
Branding
Logo Design
Web Design
WordPress Website Design
Show more
Location
Ćuprija, Serbia
Number of Employees
Under 49
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
Brisk Web Services Services
Digital Services
Branding
Logo Design
Web Design
WordPress Website Design
SEO
Business Consulting
Translation Services
Customer Support
Transcription Services
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
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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