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.
US-Based Outbound SDR Agency. Boutique. Multi-Channel. Real Pipeline.
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
- Show more
- Location
- Las Vegas, Nevada
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsLeadium Services
Data sourced from the agency's DesignRush profileSquare Rackspace Microsoft LG DirecTV OSRAM Time Logistics Palo Alto Networks Amada Senior Care brightwheel
Leadium Reviews & Testimonials

AI Marketing Review from Scott Proffitt
Our monthly leads have gone up by 3x with Leadium. This allows us to focus on production efficiencies.

Call Centers Review from Sam Jennings
Finding Leadium changed the way our team operates. They've been able to fill our pipeline with the people we want to talk to so we can focus on beekeeping.

Call Centers Review from Marcos Moura
Leadium is able to speak to our prospects as if they're Amada themselves. They're filling our pipeline in a way we couldn't!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsConnecting Brands
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsEspial Solutions Services
Data sourced from the agency's DesignRush profileTelerainMD Boomerang Transportation Bow and Baan Technology Services Pvt. Ltd.
Espial Solutions Reviews & Testimonials

PPC Review from Ahmed Iqbal Khan
Espial worked for us to deliver quality leads through PPC campaigns. Our challenge was that we hardly had 1% conversion from all the clicks that we were getting through Google Adwords. Within a month our lead to conversion increased from 1% to 5%, that was a remarkable achievement. They know which design and content works best. The level of communication and responsiveness that we receive from them makes them incredibly easy to work with.

SEO Review from Saurabh Agarwal
We are very satisfied with the services received so far in these 7 months. Because of Espial Solution's efforts, the site's traffic boosted and most keywords used got high-rankings on Google search. As a result, the client receives more organic conversions and customer satisfaction. The team is very professional and punctual.

Digital Marketing Review from Rajeev Mehta
Working with them is quite fluid, they are available 24 hours of the day. Thanks to the work of Espial Solutions, website traffic increased and sales grew by almost 50%. The workflow is fluid, as the team is available all day. The client is impressed with the analytical way that Espial Solutions did their work, studying the business model first before starting.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsBeyond Standard Solutions
Transform Targets helps organizations scale operational capacity without increasing internal overhead. We provide skilled professionals who integrate directly into existing workflows, enabling businesses to operate efficiently while maintaining full visibility and control. Our focus is simple: support the...
Top Services:
- BPO
- Customer Support
- Logistics
- Call Centers
- Business Consulting
- Show more
- Location
- McKinney, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTransform Targets Services
Data sourced from the agency's DesignRush profileConstruction Industry Transportation & Logistics Industry Insurance Industry
Transform Targets Reviews & Testimonials
Abu Moosa's Review Sourced from Google
Exceptional offshore staffing service! Their 23-person team is highly skilled, responsive, and truly feels like an extension of our own company. From onboarding to daily operations, everything was seamless and professional. They saved us time, cost, and hiring hassle. Highly recommended.
Abu Moosa's Review Sourced from Google
Exceptional offshore staffing service! Their 23-person team is highly skilled, responsive, and truly feels like an extension of our own company. From onboarding to daily operations, everything was seamless and professional. They saved us time, cost, and hiring hassle. Highly recommended!
Zayan Hassan's Review Sourced from Google
Excellent support across chat, email, and social media.The team is responsive, professional, and always helpful.They provide a smooth and consistent customer experience.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsHuman-Focused.
Offering Contact & Call Center Services. Experience is everything. At NexRep, we know that creating exceptional experiences for our Marketplace Contractors inspires them to create exceptional customer experiences...
Top Services:
- Call Centers
- Phone Answering Services
- BPO
- Location
- Portland, Maine
- Number of Employees
- 250 - 499
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNexRep Services
Data sourced from the agency's DesignRush profileSprint Marmot Glossier.
Scalable BPO Services To Support Your Business Operations
Call Point Business Solutions Ltd. is a business process outsourcing company established in 2017. The company provides customer-facing, administrative, technical, financial and sales support services to international businesses...
Top Services:
- Digital Services
- Digital Strategy
- Reputation Management
- BPO
- Call Centers
- Show more
- Location
- Comanche, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $5/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCall Point Business Solutions Ltd. Services
Data sourced from the agency's DesignRush profileYobo AI Phoneline All-Ways Green Services Century Building Maintenance
Call Point Business Solutions Ltd. Reviews & Testimonials
Ayon's Review Sourced from Google
My tenure at Call Point Business Solutions (CPBS) has been a cornerstone of my professional development. The company cultivates a high-caliber environment characterized by robust mentorship, collaborative teamwork, and continuous learning. I highly recommend CPBS to any professional seeking an progressive, growth-oriented workplace that actively invests in its talent...!
Iftekhar Mithu's Review Sourced from Google
The training session conducted by Sam Bhai, I have been trained by him and was far from a typical, mundane lecture. His approach to learning was refreshingly interactive, engaging participants through thought-provoking discussions, group activities, and real-world examples. This hands-on approach created an immersive learning environment and made the training both enjoyable and memorable
Josh Caruana's Review Sourced from Google
⭐⭐⭐⭐⭐Call Point Business Solutions (CPBS) has provided me with an excellent professional environment to learn, grow, and develop my communication and sales skills. The company maintains a supportive culture where teamwork, continuous learning, and performance are highly valued.The management and senior team members are always willing to guide and mentor employees, creating opportunities for both personal and professional growth. I have gained valuable experience working with talented colleagues and appreciate the positive work atmosphere.I am proud to be part of CPBS and would highly recommend it to anyone looking for a dynamic and growth-oriented workplace.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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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.





