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
2 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.
Dedicated virtual assistants and full phone teams, matched in 3 to 5 days, managed daily by our team, and backed by a 110-Day Guarantee. You run the business. We run the team...
Top Services:
BPO
Customer Support
Call Centers
Location
Quezon City, Philippines
Number of Employees
50 - 99
Portfolios Count
1 Project Listed
Armasourcing Services
BPO
Customer Support
Call Centers
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Tekton Growth
NorCal Pool Service
Click Press Hub
Ask Away Health
Twin Cities Auto Auction
Data sourced from the agency's DesignRush profile
Armasourcing Reviews & Testimonials
Biboy Sama Review from Google
5.0★
Biboy Sama's Review Sourced from Google
I’ve worked with other VAs before, but this company provides a different level of professionalism. My assistant is punctual, proactive, and requires minimal supervision. It’s like having a full-time employee at a fraction of the cost.
Zion Drake Review from Google
5.0★
Zion Drake's Review Sourced from Google
Alessandra really listens. She matched us with a remote assistant who fits our company like a glove. And Eli’s leadership, grounded in faith and service, gives this business real soul.
Panoy Lorrie Claire V. Review from Google
5.0★
Panoy Lorrie Claire V.'s Review Sourced from Google
Eli clearly knows how to build a values-based business. Every interaction I had with Allyza felt intentional and uplifting. We love our new hire—and the social impact makes us even prouder to be clients.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
The Agency MENA is a UAE-based B2B sales execution company that provides outsourced sales teams for businesses entering or expanding in the UAE market. Its field sales team operates across Dubai, Abu Dhabi, and the other Emirates, handling prospecting, meetings, negotiations, pipeline management, and...
Top Services:
Business Consulting
Call Centers
Market Research
Customer Support
AI Development
Show more
Location
Dubai, United Arab Emirates
Number of Employees
Under 49
Average Hourly Rate
$10/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
The Agency Sales and Marketing Services
Business Consulting
Call Centers
Market Research
Customer Support
AI Development
Direct Marketing
Public Relations
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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