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
5 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.
America's best phone answering service taking care of your callers
Moneypenny is a call center provider that staffs 24/7 answering services and contact center outsourcing for businesses across legal, healthcare, real estate, finance, and home services, with bilingual receptionists, appointment scheduling, call dispatch, and CRM integration included...
Top Services:
Call Centers
Phone Answering Services
Customer Support
Location
Duluth, Georgia
Number of Employees
1000 & Up
Minimal Budget
Under $1,000
Portfolios Count
4 Projects Listed
Moneypenny USA Services
Call Centers
Phone Answering Services
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Critter Control
The Federal Savings Bank
Sterne Kessler
BMW
Keller Williams
The Glass Guru
Eagle Biosciences
Charleston Heating & Air
Data sourced from the agency's DesignRush profile
Moneypenny USA Reviews & Testimonials
Eric Martin
Owner at Undisclosed
5.0★
Call Centers Review from Eric Martin
The salesman, Luke?, was very responsive and knowledgeable, a true professional. On boarding with Bailey, was easy and very thorough. Getting on board with an answering service had a lot more detail than I expected and Bailey was very patient and did not rush the process.
Benjamin Rose
CEO at Undisclosed
5.0★
Call Centers Review from Benjamin Rose
I needed to get two new numbers set up quickly and Marti Ramirez was able to immediately help me out immediately. Also, Marti had some great suggestions for the scripting that was greatly appreciated. He even went above and beyond to check my multiple other accounts to make sure everything was OK with them. Marti is definitely an employee that goes above and beyond. Thanks again Marti!
Benjamin Rose
Founder at Undisclosed
5.0★
Phone Answering Services Review from Benjamin Rose
I needed to get two new numbers set up quickly and Marti Ramirez was able to immediately help me out immediately. Also, Marti had some great suggestions for the scripting that was greatly appreciated. He even went above and beyond to check my multiple other accounts to make sure everything was OK with them. Marti is definitely an employee that goes above and beyond. Thanks again Marti!!
Reviews verified by DesignRush and sourced from the agency's profile
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BPO Company India | Call Center Outsourcing | Ascent BPO
Ascent BPO Services focuses on delivering quality call center outsourcing and customer care services. Our dedication to client satisfaction ensures high‑quality results in data entry, conversion, and support...
Top Services:
BPO
Call Centers
Business Consulting
HR Outsourcing
Customer Support
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Location
Noida, India
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
Portfolios Count
3 Projects Listed
Ascent BPO Services Services
BPO
Call Centers
Business Consulting
HR Outsourcing
Customer Support
Phone Answering Services
SEO
Cloud Consulting
Web Development
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Guwahati University
Silver Pumps & Motors
Pradhan Mantri Kaushal Vikas Yojana
IndiaMART
HDFC Bank
Data sourced from the agency's DesignRush profile
Ascent BPO Services Reviews & Testimonials
Ankit Kumar
Review from Google
1.0★
Ankit Kumar's Review Sourced from Google
I passed the interview at Asant Bapo but was late on the second day. I was thrown out for 20 minutes and asked to take leave.
Kanchan Srivastav
Review from Google
5.0★
Kanchan Srivastav's Review Sourced from Google
We've been working with Ascent BPO for the past few months, and I must say their service has exceeded our expectations. The team is professional, responsive, and consistently delivers high-quality results. From data entry to back-office support, their attention to detail and commitment to deadlines has really helped streamline our operations. Communication has been smooth, and any issues are quickly addressed. Highly recommend them if you're looking for a reliable and efficient BPO partner.
Vikas Srivastav
Review from Google
5.0★
Vikas Srivastav's Review Sourced from Google
Ascent bpo has truly exceeded our expectations. Their team is efficient, professional, and dedicated to providing high - quality services. They've helped streamline our processes and allowed us to focus on core operation. Highly recommended
Reviews verified by DesignRush and sourced from the agency's profile
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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
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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
SwiftCall is a Chicago-based AI automation agency that helps businesses streamline communication through 24/7 AI-powered call answering, lead capture, appointment booking, workflow automation, and customer engagement solutions. By combining intelligent voice agents with custom automation systems, SwiftCall...
Top Services:
Digital Services
Web Design
AI Development
CRM Consulting
Cloud Consulting
Show more
Location
Naperville, Illinois
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
Under $1,000
SwiftCall Services
Digital Services
Web Design
AI Development
CRM Consulting
Cloud Consulting
Phone Answering Services
Call Centers
Business Consulting
Mobile App Development
Web Development
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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