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
- Show more
- 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
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
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
LTS Global Digital Services, based in Vietnam, specializes in providing comprehensive digital BPO services. Our expertise encompasses data processing, RPA solutions, and a range of other business process outsourcing services designed to enhance operational efficiency and drive growth for our clients...
Top Services:
- IT Services
- BPO
- Call Centers
- Customer Support
- AI Development
- Show more
- Location
- Hanoi, Vietnam
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Pixalrity is a B2B client acquisition agency that builds done-for-you outbound systems for companies that need a predictable pipeline. We run LinkedIn outreach, cold email, and cold calling campaigns targeting the right decision-makers at the right time. Our work is hands-on and results-driven. We've...
Top Services:
- Digital Services
- Digital Marketing
- CRM Consulting
- Digital Strategy
- Business Consulting
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
UpHiire is a nearshore staffing partner for U.S. small and mid-sized businesses that need reliable remote help without the cost of a local hire. We recruit bilingual professionals across Latin America, test their skills and English, and introduce only candidates ready to work U.S. hours. Clients hire...
Top Services:
- HR Outsourcing
- Customer Support
- Business Consulting
- Accounting
- BPO
- Show more
- Location
- Mixco, Guatemala
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
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
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
We employ industry-standard security protocols and state-of-the-art technology to secure our systems and networks. This includes robust firewalls, data encryption, secure data centers, and stringent access controls. We regularly update our security infrastructure to stay ahead of emerging threats and...
Top Services:
- Mobile App Development
- DevOps Consulting
- eCommerce Development
- Web Design
- AI Development
- Show more
- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
We help businesses connect with their customers through fast, friendly and reliable communication...
Top Services:
- BPO
- Call Centers
- Customer Support
- Phone Answering Services
- Show more
- Location
- Denver, Colorado
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $8/hr
- Minimal Budget
- $1,000 - $10,000
FunnlQ is a next generation lead generation service providers for B2B SaaS and Services companies. FunnlQ offers BDR as a Service, Appointment Booking, CRM consultation and Outbound consulting services...
Top Services:
- Design Services
- SEO
- PPC
- Digital Marketing
- Customer Support
- Show more
- Location
- Bengaluru, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
InLinkers CX is a Pakistan-based BPO company with 10+ years of certified outsourcing experience. Founded in 2015, we serve businesses across the US, UK, Australia, UAE & Canada. Our services include Call Center Outsourcing, IT Outsourcing, Staff Augmentation, Healthcare BPO, Insurance BPO, Mortgage BPO...
Top Services:
- Web Design
- Web Development
- SEO
- AEO
- Software Development
- Show more
- Location
- Lahore, Pakistan
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Explore Call Centers Specializations
Popular Services
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
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.












