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 05, 2026
DesignRush evaluates all telemarketing firms based on their expertise, success stories, and verified client reviews. Some listings may be paid.
Appointment Setter Online delivers outsourced appointment setting and lead generation through dedicated SDRs assigned by client fit, covering outbound prospecting, inbound qualification, telemarketing, and customer support. To date, the call center provider reports 75,000+ verified sales bookings...
Top Services:
BPO
Phone Answering Services
Customer Support
Digital Marketing
Social Media Marketing
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Location
Albany, New York
Number of Employees
500 - 999
Average Hourly Rate
$5/hr
Portfolios Count
8 Projects Listed
Appointment Setter Online Services
BPO
Phone Answering Services
Customer Support
Digital Marketing
Social Media Marketing
PPC
Email Marketing
Content Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Trainual Inc
15Five
electrIQ marketing
YCharts
PERQ
GMass
Heinz Marketing Inc
Arch-Con Corporation
Data sourced from the agency's DesignRush profile
Appointment Setter Online Reviews & Testimonials
Eli Hamilton Sr. Director of eCommerce at Intelligentsia Coffee Inc.
5.0★
Customer Support Review from Eli Hamilton
This company has delivered exceptional customer support services that made a noticeable impact on our overall workflow and customer satisfaction. From day one, their team demonstrated professionalism, responsiveness, and a genuine commitment to representing our brand with care. They handled customer inquiries promptly, clearly, and with an impressive level of empathyensuring that every interaction felt personalized and attentive.One of the things we appreciated most was their ability to quickly understand our products, processes, and communication tone. They not only answered questions efficiently but also helped educate our customers, resolve issues with patience, and maintain a positive experience even in challenging situations. Their follow-up processes were consistent, their communication was always organized, and their ability to manage high volumes of inquiries without compromising quality truly stood out.They became a seamless extension of our internal team, reducing our workload and allowing us to focus on growth while knowing our customers were in excellent hands. Their dedication, reliability, and customer-first approach made the entire partnership incredibly valuable. We highly recommend their customer support services for any business looking to elevate its service experience.
Romain Devisme Executive Director at Havas Events Shanghai
5.0★
Back Office Outsourcing Review from Romain Devisme
We hired Assistant Setter Online for:contracted customer support solutionshrinking customer querie volumeBeing an agency involved in the business of advertising and marketing we were ramping up our efforts in terms of campaigningAssistant Setter Online does all our inbound processing, phone, chat and e mail support. They started employment with us on test basis initially and during their 2- week onboarding process they did so with our front-line team which was structured. We gave them tours of our products, tone of voice, brand guidelines and escalation workflows. All the traffic entering their channel is currently managed by their team, all the outbound communication is done via RingCentral and they also integrated Tawk.to live chat support on our site, increasing the level of engagement and conversion. After working with Appointment Setter Online, we now have quantitative indicator of results in customer satisfaction levels. They always provide a high level of support and it has saved us a considerable amount of overhead costs in the process of hiring, training and retaining in-house personnel. We would in fact expect savings of 50 percent or more. They have been extremely reactive and structured.
Raul Vizcaino Operations Manager at Supermarket Source Inc
5.0★
Appointment Setting Review from Raul Vizcaino
I am the Operations Manager at Supermarket Source Inc, We empower our customers to excel by providing top-notch equipment and design services to the food retail industry. We needed help with B2B appointment setting and sales closing to increase our revenue and sales, Appointment Setter Online provides B2B appointment-setting services. We provide our company's data, and the team helps us with email, chat, and phone calls. We pay $1,000 for each agent, Appointment Setter Online has increased our sales by 22% so far. The quality of their work exceeds our expectations, Appointment Setter Onlines project manager always contacts us through WhatsApp, Slack, and email. We use High Level to arrange the leads and Google Sheets to maintain records and updates of the sales and leads, Were satisfied with the quality of the team, and they've actually increased our sales.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
every call is a connection and every interaction is an opportunity.
Founded in 2019, our call center has swiftly risen to prominence delivering expectational customer service solutions. Celebrating five years of consistent growth, we've reached the pinnacle of our industry. Join us in our journey to success where we prioritize your CSaT and unprecedent performance...
Top Services:
Call Centers
BPO
Customer Support
Business Consulting
HR Outsourcing
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Location
Cairo, Egypt
Number of Employees
250 - 499
Average Hourly Rate
$8/hr
Minimal Budget
Under $1,000
Wazowski Outsourcing Services
Call Centers
BPO
Customer Support
Business Consulting
HR Outsourcing
Digital Marketing
Affiliate Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
AS Auto Moto Sale
Boca Connections
Folsay Investments
Silverlight
Data sourced from the agency's DesignRush profile
Wazowski Outsourcing Reviews & Testimonials
Mohamed Ahmad Review from Google
1.0★
Mohamed Ahmad's Review Sourced from Google
Enslaved to peopleThey took 4 in a batch and didn't accept a single one or compensate them for the time off. Why did they accept them in the first place? Enslaved.
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
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...
Top Services:
Web Development
eCommerce Development
WordPress Website Design
Software Development
Mobile App Development
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Location
Berlin, Germany
Number of Employees
Under 49
Average Hourly Rate
$16/hr
Minimal Budget
Under $1,000
Portfolios Count
6 Projects Listed
UseCodify Services
Web Development
eCommerce Development
WordPress Website Design
Software Development
Mobile App Development
IT Services
IT Compliance Solution
Business Consulting
Customer Support
Market Research
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
SlimeBox
Dakea
HSR Active Furniture
SkylineBuilds
Frankiestrona
Club360
Ayu Healing
Kiddoways
Data sourced from the agency's DesignRush profile
UseCodify Reviews & Testimonials
frankiesushisite Review from Google
5.0★
frankiesushisite's Review Sourced from Google
It was a real pleasure to work with UseCodify to create the frankiestrona website. Their creative approach and attention to detail perfectly reflected my vision. Communication was smooth and regular, so I was always up to date. The project was delivered on time, exceeding my expectations in terms of professionalism and ease of use. I highly recommend UseCodify for their expertise and commitment to quality.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
BPO
Email Marketing
Call Centers
Digital Marketing
Content Marketing
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Location
Ottawa, Canada
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
14 Projects Listed
DMT Business Development Services
BPO
Email Marketing
Call Centers
Digital Marketing
Content Marketing
Market Research
Business Consulting
Direct Marketing
CRM Consulting
Social Media Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Biovision Diagnostics
Kandji
Productive
VOLA
YouTeam
CDS Global Cloud
Derm For Primary Care
Hubilo
Concordia University
Yodeck
Data sourced from the agency's DesignRush profile
DMT Business Development Reviews & Testimonials
Yana Okushko Growth Manager at DreamX
5.0★
Lead Generation Review from Yana Okushko
Partnering with DMT Business Development turned out to be a real game-changer for us. Their team didnt just deliver leads they brought in the right conversations that actually converted. Within a short time, they secured 25 qualified meetings that had a direct impact on our pipeline and revenue. What stood out most was their professionalism - clear communication, full ownership of the process, and the feeling that they were part of our internal team rather than an external vendor. Their proactive mindset and attention to detail made every stage of the collaboration smooth and effective.
David Morneau Co-founder and CEO at inBeat Agency
5.0★
Email Marketing Review from David Morneau
We've found tremendous success in our projects with DMT Business Development, particularly in the area of Email Marketing. Their team consistently overdelivered not only in the quality of email content but also in driving measurable engagement and conversions through expertly crafted campaigns. What truly sets DMT Business Development apart is their exceptional combination of expert content creation, data driven strategy, and a deep understanding of audience behavior. Their email marketing solutions are strategically designed, results driven, and consistently outperform the competition. The team's expertise and dedication are evident in every campaign. They bring a high level of professionalism, creativity, and responsiveness, ensuring each email resonates with the target audience while meeting our marketing goals. We greatly value our partnership with DMT Business Development and look forward to achieving even greater success together. Highly recommended for businesses seeking impactful and focused email marketing solutions.
Vaysh Kewada CEO and Co-Founder at Salience Labs
5.0★
Social Media Marketing Review from Vaysh Kewada
Thanks to the dedicated efforts of DMT Business Development, our brand has experienced a noticeable increase in online visibility, consistent social media activity, and significantly improved engagement across platforms. Their strategic approach, community building tactics, and thorough performance analysis have all contributed to measurable success. What truly sets DMT apart is their ability to stay ahead of the ever changing landscape of Social Media Marketing. Their team demonstrates a deep understanding of evolving trends, algorithm updates, and best practices ensuring that our online presence remains optimized for both visibility and conversion. Beyond campaign execution, their expertise in keyword research and analysis has also brought substantial improvements to our websites search engine rankings, bridging the gap between social media activity and SEO performance. Equally impressive is DMTs commitment to transparency, proactive communication, and customer service. They consistently deliver outstanding results while remaining highly responsive to our goals and feedback. Their professionalism and alignment with our brand voice and identity are particularly noteworthy. DMT Business Development's passion for achieving remarkable outcomes and their dedication to staying at the forefront of the industry makes them an invaluable partner in Social Media Marketing. We are truly impressed by their impact and look forward to continued collaboration.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
Customer Support
Managed Services
IT Services
BPO
Call Centers
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Location
Austin, Texas
Number of Employees
50 - 99
Average Hourly Rate
$28/hr
Minimal Budget
$1,000 - $10,000
ContactWorks Services
Customer Support
Managed Services
IT Services
BPO
Call Centers
Phone Answering Services
Transcription Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Internet provider
Healthcare
Transportation
Data sourced from the agency's DesignRush profile
ContactWorks Reviews & Testimonials
Jeff B Review from Google
5.0★
Jeff B's Review Sourced from Google
The new "Tech Team One" IT services they are offering are awesome. I haven't seen a better priced Remote Virus Removal/Pc Tune-Up/ or Software help service that a better value than the one they offer.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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...
Top Services:
Email Marketing
Digital Marketing
Social Media Marketing
BPO
Digital Strategy
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Location
Toronto, Canada
Number of Employees
50 - 99
Average Hourly Rate
$45/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
5 Projects Listed
Martal Group Services
Email Marketing
Digital Marketing
Social Media Marketing
BPO
Digital Strategy
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Clickworker.com
Incentives-Solutions.com
Semasio.com
Kipod.com
Favendo.com
Weezmo.com
Intech-Global.com
NemoNano.com
Indoorgo.com
Vidmind.com
Data sourced from the agency's DesignRush profile
Martal Group Reviews & Testimonials
Nidhi Jaiswal Marketing Executive at Social Frontier
5.0★
Marketing Review from Nidhi Jaiswal
From the very start, their team was very professional, communicated in a timely manner, and was very familiar with B2B lead generation. We were just surprised at their team culture and their desire to work hand-in-hand with our team. It felt like they were not an external vendor but a true partner in all respects.Throughout our working time together, Martal always produced excellent work while keeping us informed and engaged. They are solution-oriented, proactive, and willing to share ideas that enhance performance. It is not often that you find a team that is so concerned about your success.What we value most is their honesty and commitment to building something that will last. They don't seek quick wins but work to build outcomes that last and can potentially expand. With their experience combined with a well-structured plan, they are a reliable and outcome-driven collaborator.If you need to reach more customers and you would like to have a company that is concerned about your success, you can rely on Martal Group. We highly recommend that you use their services.
Anas Aftab Outreach Manager at Get Pro Links
5.0★
Digital Marketing Review from Anas Aftab
Working with Martal Group has been an absolute pleasure. Their team is collaborative and transparent and consistently delivers on their commitments with professionalism and expertise. From the start, it was clear they are passionate about building meaningful and lasting business relationships.What stands out most is their willingness to go above and beyond. Whether its sharing valuable insights, offering timely support, or simply being approachable and helpful, Martal Group has proven to be a reliable partner. Their depth of knowledge in the B2B space, paired with a genuine dedication to helping businesses grow, makes them a standout organization.If you're looking for a team that values collaboration, transparency, and long-term success, Martal Group is an excellent choice.
Doug McLean VP of Global Sales and Channels at Complete EDI
5.0★
Call Centers Review from Doug McLean
Martal Group was able to facilitate Complete EDI’s first ever outbound lead generation efforts in the company’s history. Following the onboarding process, Martal was able to deliver 2 sales-qualified leads within the second week of campaigns and by the end of the 3 month pilot period had 14 sales-qualified leads.
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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