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.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Vserve Ebusiness Solutions
VerifiedVerified by the DesignRush team for authenticity and credibility.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
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
- Show more
- Location
- Skopje, Macedonia
- Number of Employees
- Under 49
- Average Hourly Rate
- $17/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
Leadium builds each engagement around channel-optimized lead research, identifying whether each prospect is best reached by phone, email, or LinkedIn before outreach begins. Thefirm provides outbound and inbound appointment setting, cold calling, data sourcing, and deliverability management...
Top Services:
- Email Marketing
- BPO
- CRM Consulting
- Business Consulting
- Direct Marketing
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- Location
- Las Vegas, Nevada
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
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
- Show more
- Location
- Noida, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
A global Digital Marketing Agency helping brands streamline and scale their business with bespoke SEO, Social Media Marketing, PPC, Email Marketing, Content Marketing, Database generation, Lead Generation, Branding, and Website development solutions.We help you grow your business online...
Top Services:
- SEO
- Digital Marketing
- WordPress Website Design
- Digital Services
- Social Media Marketing
- Show more
- Location
- Pune, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- Under $1,000
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
- Show more
- Location
- Petaling Jaya, Malaysia
- Number of Employees
- Under 49
- Minimal Budget
- Under $1,000
Denave is a B2B sales enablement organization based in Malaysia that offers a complete range of demand generation and lead generation solutions. Denave offers services including Business process outsourcing, digital marketing and B2B data services...
Top Services:
- Digital Marketing
- Event Marketing
- Call Centers
- Customer Support
- Email Marketing
- Show more
- Location
- Kuala Lumpur, Malaysia
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Looking for a Reliable AI-Driven Outsourced Call Center in Indonesia? Callindo Delivers Top-notch Services to Enhance Your Customer Experience and Boost Your Business...
Top Services:
- BPO
- Customer Support
- Market Research
- Business Consulting
- Call Centers
- Show more
- Location
- Jakarta, Indonesia
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $24/hr
- Minimal Budget
- Under $1,000
TRACTIONCORE is the first and only Filipino-owned talent and revenue execution firm. We dont just rent seats; we deliver outcome-driven systems. Backed by a decade of experience, we build, vet, and manage high-performing global teams powered by human-AI synergy. From fractional experts to fully built...
Top Services:
- BPO
- AI Development
- HR Outsourcing
- Accounting
- Software Development
- Show more
- Location
- Quezon City, Philippines
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $5/hr
- Minimal Budget
- Under $1,000
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
- Show more
- Location
- Brampton, Canada
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
UPLINK TECHNOLOGY is a forward-thinking IT solutions and digital transformation company dedicated to helping businesses establish, enhance, and scale their digital presence. We specialize in delivering innovative, reliable, and result-driven technology solutions that empower startups, SMEs, enterprises, and...
Top Services:
- Web Development
- WordPress Website Design
- eCommerce Development
- Digital Strategy
- AEO
- Show more
- Location
- GIDC, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $26/hr
- Minimal Budget
- Under $1,000
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
BizzBuzz Creations is a result-driven Digital Marketing & BPO agency offering SEO, SMO, SMM, Google Ads, Meta Ads, Website Design & Development, Branding, Content Strategy, and Complete BPO Services. We help businesses grow with tailored strategies, data-driven solutions, and a strong focus on performance and...
Top Services:
- Digital Services
- Graphic Design
- Web Design
- Web Development
- Social Media Marketing
- Show more
- Location
- Prayagraj, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
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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.












