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.
IdeasUnlimited offers 24/7/365 inbound and outbound call center services, covering customer support, technical support, sales, and multilingual operations. Founded in 2010, the agency delivers offshore and remote support for global businesses across eCommerce, healthcare, real estate, and finance...
Top Services:
- Call Centers
- Phone Answering Services
- IT Services
- BPO
- Customer Support
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- Location
- Sugar Land, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 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
Founded in 2004 and headquartered in Encino, California, Callbox Inc. is a global leader in outsourced B2B lead generation, appointment setting, and event marketing. With over 20 years of experience and a multilingual team servicing APAC, LATAM, and EMEA, the agency supports medium-sized businesses to...
Top Services:
- Managed Services
- Cloud Consulting
- Digital Marketing
- ERP Consulting
- CRM Consulting
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Portfolios Count
- 116 Projects Listed
Over 30 years of experience in the IT Solutions and IT Support, Win-Pro is an institutional powerhouse delivering unparalleled standards to organizations across Singapore, Johor Bahru, and Kuala Lumpur. Our Outsourced IT Managed Services Company is leading the way with IT services for business...
Top Services:
- IT Services
- Customer Support
- Managed Services
- Cybersecurity
- Cloud Consulting
- Show more
- Location
- Singapore, Singapore
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
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
Flatworld Solutions (FWS) is a global company offering IT, Data Science, Data Mining, business consulting, and outsourcing solutions since 2002...
Top Services:
- BPO
- Call Centers
- Transcription Services
- Phone Answering Services
- Show more
- Location
- Princeton, New Jersey
- Number of Employees
- 1000 & Up
Invensis Technologies Achieves 80% Payment Recovery Improvement for US Healthcare Client Through AI-Human Parallel Processing Model...
Top Services:
- Call Centers
- Accounting
- Logistics
- Phone Answering Services
- Customer Support
- Show more
- Location
- Lewisville, Texas
- Number of Employees
- 1000 & Up
- Portfolios Count
- 4 Projects Listed
Backend Communications #1 Contact center/BPO company that provide dedicated highly professional contact center/call center agents all over the world...
Top Services:
- Call Centers
- Social Media Marketing
- eCommerce
- Customer Support
- WordPress Website Design
- Show more
- Location
- Lahore, Pakistan
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Portfolios Count
- 1 Project Listed
Zaphyre is an Execution Service Partner helping B2B companies scale through content marketing, outbound sales, lead generation, and virtual staffing. We embed execution teams that turn strategy into measurable growth...
Top Services:
- BPO
- Email Marketing
- Digital Marketing
- Market Research
- Content Marketing
- Show more
- Location
- Fairfax, Virginia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Infuse your everyday tasks with a real-time, virtual acuity.Task Virtual's team of experts has the timing and expertise to deliver your business needs—from daily duties to big projects requiring quality completion.Empower yourself in this new age digital world where our highly skilled professionals...
Top Services:
- SEO
- Social Media Marketing
- Customer Support
- Web Development
- Graphic Design
- Show more
- Location
- Kolkata, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $6/hr
1840 & Company is a global provider of talent and team solutions devoted to empowering businesses with scalable, on-demand workforce solutions. With a stringent verification procedure and a network of professionals in 150 countries, we connect organizations with remote talent of the highest caliber. Our...
Top Services:
- BPO
- Staff Augmentation
- HR Outsourcing
- Customer Support
- Call Centers
- Show more
- Location
- Overland Park, Kansas
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $10,000 - $25,000
We are a technology solutions company creating better solutions for our clients from all around the world. Our work with industries spanning across sectors like mobility, supply chain, software, web development, innovation and automation, artificial intelligence, you name it and we might have a solution for...
Top Services:
- IT Services
- Mobile App Development
- Software Development
- Web Design
- Web Development
- Show more
- Location
- Harrisburg, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $85/hr
Elevate your business outreach strategies with Webwers' innovative Bulk SMS Dialer Services and Cloud Contact Center solutions. Our services empower you to seamlessly connect with your customers, ensuring efficient and effective communication channels. With our cutting-edge Bulk SMS Dialer Services, reach...
Top Services:
- Web Development
- Affiliate Marketing
- Digital Marketing
- Email Marketing
- Cloud Consulting
- Show more
- Location
- Noida, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 4 Projects Listed
RPM stands out as a comprehensive solution provider, offering bilingual expertise in both English and Spanish, with the flexibility to provide full-time or part-time dedicated resources, fully managed to meet diverse operational needs. Our capabilities span a wide spectrum, encompassing intricate back-office...
Top Services:
- BPO
- Customer Support
- Call Centers
- Staff Augmentation
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- Under $1,000
Instant Solution is a top BPO company in Bangladesh, offering world-class call center, data management, and business support services globally. With expertise in data processing, customer support, healthcare BPO, and e-commerce, we ensure secure, accurate, and efficient solutions. Operating in Bangladesh and...
Top Services:
- BPO
- Business Consulting
- Call Centers
- Phone Answering Services
- Customer Support
- Show more
- Location
- Dhaka, Bangladesh
- Number of Employees
- Under 49
- Average Hourly Rate
- $8/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Konsyg is a global lead generation and sales outsourcing firm that delivers sales-ready leads, booked meetings, and scalable revenue growth for businesses of all sizes. We eliminate the hassle of cold outreach by providing pre-qualified, high-intent prospects, ensuring your sales team focuses on closing...
Top Services:
- Customer Support
- Digital Strategy
- Email Marketing
- Digital Marketing
- Business Consulting
- Show more
- Location
- Singapore, Singapore
- Number of Employees
- Under 49
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- $1,000 - $10,000
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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.
















