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
4 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.
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
Show more
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
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
Show more
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 Overview
We 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 Solution
They 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 Further
A self-serve forecasting tool tied to our sales cycles would help us plan headcount ahead of spring and holiday promotions.
Results & Recommendation
If 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
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
Show more
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
Lytup is a Paris-based marketing agency driving brand growth through digital marketing, lead generation, and experiential campaigns. We help B2B and B2C companies attract qualified audiences, convert prospects, and create memorable brand experiences with a 360° approach built for measurable impact...
Top Services:
Event Marketing
Digital Marketing
Call Centers
SEO
PPC
Show more
Location
Paris, France
Number of Employees
Under 49
Minimal Budget
$1,000 - $10,000
lytup Services
Event Marketing
Digital Marketing
Call Centers
SEO
PPC
CRO
eCommerce Development
Web Design
Email Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Asus
Acer
Arrow
Also
Team4b
Kifwat
Busyplace
Softvalue
Klaxoon
Microsoft
Data sourced from the agency's DesignRush profile
lytup Reviews & Testimonials
Yahya Oudra
Review from Google
5.0★
Yahya Oudra's Review Sourced from Google
We’ve had a great experience collaborating with Lytup to enhance our digital online presence. The team is highly professional, knowledgeable, and easy to work with. Their expertise clearly shows in the quality of their work, and communication has been smooth throughout.
We’re very happy with the collaboration and look forward to continuing working together. Highly recommended!
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.
ReceiveProposals
For your project
1
Specify your budget, timeline and project requirements
2
Our experts curate a list of up to 5 most qualified candidate agencies
3
We connect you with them so you can choose the most suitable partner