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.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
- Show more
- 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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsVserve Ebusiness Solutions Services
Data sourced from the agency's DesignRush profileTraci Miller Marcia Maples Joseph Powell
Vserve Ebusiness Solutions Reviews & Testimonials
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.
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 ReviewsUK B2B lead generation, appointment setting and digital marketing.
UK B2B lead generation, appointment setting and digital marketing agency in Chorley. Automotive and fleet specialists with an in-house 30-seat UK call centre...
Top Services:
- Digital Marketing
- SEO
- Call Centers
- Direct Marketing
- Web Development
- Show more
- Location
- Chorley, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsXL Marketing Grp Services
Data sourced from the agency's DesignRush profileSamsara RRG Group Pertemps
XL Marketing Grp Reviews & Testimonials
John Derbyshire's Review Sourced from Google
We have been using X; Marketing now for over two years and find them helpful in understanding our needs and working as our partner. They are always helpful with us at all stages and are in regular contact, it feels like they are part of our business.Tony GordonGordon's MakeoversWesthoughton
Samantha Warrington's Review Sourced from Google
Amazing service with attention to detail. I would not hesitate to recommend. Excellent communication, throughout. Looking forward to working with the team on future projects.
Julie Kelly's Review Sourced from Google
5 star service and excellent reliable team. I felt so comfortable when expressing my ideas or requesting amends. This made me feel empowered and supported. Their professional service has given me the confidence to succeed. I highly recommend XL Marketing
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsBest BPO Agency in USA
Best Data Conversion Services in USA offering secure document, PDF, image, and database conversion with fast turnaround and high accuracy...
Top Services:
- Graphic Design
- Logo Design
- Design Services
- Digital Strategy
- Product Design
- Show more
- Location
- Denver, Colorado
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsOutsource India Data Entry Services
Data sourced from the agency's DesignRush profileallianzeinfosoft nexgendataentry offshoreindiasupport
Delivering Proven Marketing Results
Direct Objective Consulting specializes in B2B marketing for small and medium-sized enterprises. With a focus on lead generation and commercialization, the agency serves technology, manufacturing, and service providers. Its mission is to maximize clients' marketing ROI through customized strategies that drive...
Top Services:
- Digital Marketing
- Digital Strategy
- Public Relations
- Reputation Management
- Video Production
- Show more
- Location
- Montreal, Canada
- Number of Employees
- Under 49
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDirect Objective Consulting Services
Data sourced from the agency's DesignRush profileTIBCO intellera CanadaVisa Hardent explorance
Direct Objective Consulting Reviews & Testimonials
Orly Argaman's Review Sourced from Google
We have worked with Gil for our product strategy, web site creation, market research and some other marketing/strategy aspects. It was an absolute pleasure: Gil is very knowledgeable and creative, communications are clear & concise, delivery always on time and quality of the work was outstanding. I won't hesitate using Gil's services in the future.
Angie Velarde's Review Sourced from Google
Direct Objective offers experienced marketing and strategic consultants. Gil along with his team can take a brief and immerse themselves in the business and be a real part of it. His team can turn a concept into reality and come up with practical strategies and concepts to take to market. Gil is also a great business partner and can be trusted to bounce off ideas in a respected and considered way. I recommend Direct Objective Consulting to anyone needing an experienced strategic marketing and business partner to enthusiastically drive growth and get results.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsCaribbean roots, global reach.
Founded in 2020, Oversea Staffing Solutions LLC has emerged as a leading call center staffing agency in the Caribbean, bridging the gap between world-class bilingual talent and forward-thinking businesses...
Top Services:
- BPO
- Call Centers
- Market Research
- Phone Answering Services
- HR Outsourcing
- Show more
- Location
- Lithia Springs, Georgia
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $11/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsOversea Staffing Solution Services
Data sourced from the agency's DesignRush profileUpwork Freelancer Livops
Outsourced B2B cold calling with published pricing
Outsourced B2B cold calling for US companies that need booked meetings, not another tool. We build the call list, write the script, run the dialer and put qualified meetings on your calendar. The 30 day pilot is $2,997 and guarantees 2,000 dials and 100 live connects, meaning a real person picked up. If we...
Top Services:
- Call Centers
- BPO
- Direct Marketing
- Market Research
- Show more
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsShazRise Services
Data sourced from the agency's DesignRush profilePCCIT International Revenue Drivers Nu Life Essentials Cerebral Machine
Built To Solve. Designed To Scale.
Tech Potato is a digital solutions company working across web development, e-commerce, automation, design, and business operations. We bring technical and operational teams together to support the day-to-day digital needs of modern businesses...
Top Services:
- Digital Services
- Graphic Design
- Design Services
- eCommerce Development
- Web Development
- Show more
- Location
- Karachi, Pakistan
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTech Potato Services
Data sourced from the agency's DesignRush profileShop More Bright Harbor The Ardin Scream Beauty MS Lines Store Sibzer Mart Witch Craft Design Tees Balance Center Harmony The Fitboxx
Innovation and Intregration Everyday
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBizzBuzz Creations Services
Data sourced from the agency's DesignRush profileMr. Tariq Mr.Shubhash Tahir Abbas
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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.







