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 05, 2026
DesignRush evaluates all telemarketing firms based on their expertise, success stories, and verified client reviews. Some listings may be paid.
AnswerConnect offers 24/7 live call answering, inbound call center solutions, live chat, and appointment scheduling for businesses across legal, healthcare, real estate, IT, and franchise sectors. Voted Best Answering Service for 2026, the call center company answers 99% of calls within four rings...
Top Services:
Call Centers
Phone Answering Services
Customer Support
Location
Portland, Oregon
Number of Employees
1000 & Up
Minimal Budget
Under $1,000
AnswerConnect Services
Call Centers
Phone Answering Services
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Mosquito Squad
Stormguard
Crash Hotel
Data sourced from the agency's DesignRush profile
AnswerConnect Reviews & Testimonials
Natalie Russell Owner at Arkansas Healthcare Insurance
5.0★
Phone Answering Services Review from Natalie Russell
Onboarding with AnswerConnect was incredibly easy. I was able to schedule a virtual meeting right away, and within an hour we had everything set upportal access, hours of operation, and customized scripting.Since getting started, Ive received positive feedback from both clients and prospects about the agents handling my calls. That alone speaks volumes.A few weeks in, I decided to tweak my scripting to improve the flow and be more transparent with callers. I reached out via chat, and their team responded immediately. They even offered to call me to walk through the changes, which I appreciated. We updated everything in real time, and the process was seamless.Super friendly team, quick to respond, and very easy to work with. Overall, a very positive experience with AnswerConnect.
Claire Riendeau Real Estate Specialist at Engel & Völkers Charlotte
5.0★
Phone Answering Services Review from Claire Riendeau
Claire Riendeau of Engel & Völkers Charlotte gave a shoutout to Christine Cooksey for the remarkable customer service experience. She addressed all her questions and even provided a detailed account explanation by sharing her screen. Riendeau highly recommended her, noting that she deserved a raise. (Source: 3rd Party Review Platform)
Dr. Harris CEO at Kitty Corner Cat Clinic
5.0★
Phone Answering Services Review from Dr. Harris
Dr. Harris from Kitty Corner Cat Clinic had the best customer service experience with Dyan. She patiently set up Harris' complicated phone system, untangling a messy IT situation. Her methodical and gracious approach was invaluable. The tech support team, especially Dyan, went above and beyond. Harris expressed gratitude for the agency's assistance. (Source: 3rd Party Review Platform)
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
VerifiedVerified by the DesignRush team for authenticity and credibility.
All-In-One E-commerce Technology Solution Provider: Because Every Click Matters.
Vserve Ebusiness Solutions is an AI-powered Supply Chain Management and Ecommerce company with 10+ years of global delivery. We provide offshore teams, BPO, procurement, order and inventory management, customer support, and ecommerce solutions to reduce costs and improve efficiency...
Top Services:
Logistics
Accounting
eCommerce Development
BPO
Call Centers
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Location
New York City, New York
Number of Employees
500 - 999
Average Hourly Rate
$25/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
Vserve Ebusiness Solutions Services
Logistics
Accounting
eCommerce Development
BPO
Call Centers
Web Design
eCommerce
SEO
Customer Support
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Traci Miller
Marcia Maples
Joseph Powell
Data sourced from the agency's DesignRush profile
Vserve Ebusiness Solutions Reviews & Testimonials
Marie M. Harris Undisclosed at Retail
5.0★
Customer Support Review from Marie M. Harris
Although we have been struggling before, after expanding our influence into mountain wear and watches, it became evident that we needed some professional help. We were offering many new products, and making matters worse, we were present in different foreign markets, which mean many competitors to keep an eye on. After some consultations with the Vserve team, we had no doubts that they were the solution we had been looking for. Thanks to their proven MAP enforcement strategies, maintaining our market position is now easier. We always have accurate pricing information at our fingerprints. I must say, we are really impressed with Vserve.
Danielle W Undisclosed at Retail
5.0★
Customer Support Review from Danielle W
Our company is grateful to have found a collaborative team in Vserve for our Product Information Management. Initially, we were unsure about the quality of product descriptions and their accessibility to our buyers. However, Vserve’s expertise in programming language and business best practices helped us to manage our complete product information and catalog pretty well. The conversion rate excelled our expectations, and our products shot up on Google rankings!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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 View All Reviews
We aim to be Asia's largest consumer and business data asset owner and to provide high-impact digital marketing services, serving clients that demand high return-on-investment marketing results.Powered by data, we help businesses implement a successful digital marketing campaign through email marketing, SMS...
Top Services:
Digital Marketing
Email Marketing
SEO
Social Media Marketing
Call Centers
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Location
Petaling Jaya, Malaysia
Number of Employees
Under 49
Minimal Budget
Under $1,000
Wave Evolution Services
Digital Marketing
Email Marketing
SEO
Social Media Marketing
Call Centers
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
LHB Consulting, a London-based lead generation agency with two decades of experience, specializes in a range of services, including telesales, telemarketing, appointment scheduling, the creation and follow-up of email marketing campaigns, and data cleansing...
Top Services:
Call Centers
Digital Marketing
Location
Uxbridge, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
LHB Consulting Services
Call Centers
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
FSL Events
GT Associates
Dolphin Group
Top Brand Cars
Manor House Autos
Route Trader
Tiger Like Events
Data sourced from the agency's DesignRush profile
LHB Consulting Reviews & Testimonials
George Webb Review from Google
1.0★
George Webb's Review Sourced from Google
*** SCAM ALERT ***I strongly advise staying away from this organisation. Ernest comes across as a nice person however he is extremely unprofessional and will not follow through on any professional or financial promises. PLEASE DO NOT USE.
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
Led by a Cambridge MBA founder, RETLM BPO is providing cost effective but client focused outsourcing services to clients around the globe. These services cover range of industries including Real Estate, Edtech, Health care, Retail, ecommerce, transport, Telecom etc. Increase in Profit by 60%...
Top Services:
BPO
IT Services
Location
Lahore, Pakistan
Number of Employees
Under 49
Average Hourly Rate
$15/hr
Minimal Budget
Under $1,000
Portfolios Count
1 Project Listed
RETLM BPO Services
BPO
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
MetaFussion is a dynamic digital company driven by a passion for crafting innovative software solutions tailored to meet the evolving needs of businesses. Our comprehensive services, including SEO, SMM, web development, and PPC campaigns, empower clients to thrive in today's fast-paced digital environment...
Top Services:
Digital Services
Web Development
Digital Marketing
Mobile App Development
Business Consulting
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Location
Brampton, Canada
Number of Employees
50 - 99
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
MetaFussion Services
Digital Services
Web Development
Digital Marketing
Mobile App Development
Business Consulting
BPO
Social Media Marketing
eCommerce Development
Graphic Design
Logo Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Adam Master Movers
Atlantic Moving
Mk Furniture
Gm Abatements
Data sourced from the agency's DesignRush profile
MetaFussion Reviews & Testimonials
Jemnii Wrost Review from Google
5.0★
Jemnii Wrost's Review Sourced from Google
Metafussion will assit you in growing your online business.They offer guidance and strategy while I focus on running my day-to-day operations.Highly recommended!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Empowering Customer Experience with AI and Human Expertise-Customized Care Solutions by D3Mynds.
Empowering Customer Experience with AI and Human Expertise-Customized Care Solutions by D3Mynds. Where AI Meets Human Touch D3Mynds Delivers Customized Customer Care Solutions for a New Era...
Top Services:
BPO
Business Consulting
Call Centers
Phone Answering Services
Customer Support
Show more
Location
Delhi, India
Number of Employees
Under 49
Average Hourly Rate
$10/hr
Minimal Budget
Under $1,000
D3Mynds Services
BPO
Business Consulting
Call Centers
Phone Answering Services
Customer Support
Transcription Services
HR Outsourcing
Market Research
Accounting
Translation Services
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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