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.
Protel BPO, nothing matters more than how your customers view your brand how they interact with it
Protel BPO provides inbound voice, outbound voice, live chat, and back-office outsourcing from two call center locations in Belize, operating in US Central and Mountain time zones with native English and bilingual Spanish agents. Since 2012, it has served retail, healthcare, and travel clients...
Top Services:
- Call Centers
- BPO
- Customer Support
- Phone Answering Services
- Show more
- Location
- Belize City, Belize
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $14/hr
- Minimal Budget
- $50,000 & Up
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsProtelBPO Services
Data sourced from the agency's DesignRush profileJ Crew Sight Partners Blue Valley
ProtelBPO Reviews & Testimonials

Call Centers Review from Jeffrey Warren
While working with Protel BPO, I had the pleasure of experiencing what can only be described as outstanding contact center service. From the get go, it was evident that the agents at the call center go above and beyond to ensure customer satisfaction and a quality experience. The representatives at Protel BPO were not only courteous but also highly knowledgeable about our products and services. They patiently listened to inquiries and provided detailed and accurate information, demonstrating a deep understanding of our company's offerings. What truly stood out was the efficiency of the call handling process. Clients experienced short wait times, and once connected, the representatives were quick to address their questions or concerns. The agents' professionalism was commendable. They always conveyed a genuine willingness to assist and went the extra mile to ensure customer satisfaction. It's evident that Protel BPO places a high value on providing top-notch service to its customers. I feel that it comes easy to them, probably because of the "Belizean" culture. Overall, my interaction with Protel BPOs call center surpassed my expectations. The combination of courteous representatives, efficient call handling, and a commitment to customer satisfaction makes them stand out in the space of customer service. I highly recommend Protel BPO's call center for anyone seeking a positive and hassle-free customer experience.

Call Centers Review from Jackie Capalleja
As the Allstate manager involved in our partner relationship with ProtelBPO, I was extremely pleased with their inbound call center services. Their dedicated team efficiently handled our customer inquiries and requests with remarkable professionalism. The availability of 24/7 support ensured clients received prompt assistance. ProtelBPO's agents are well-trained and always eager to learn more. They take pride in having a deep understanding of our industry and our company's products and service offerings. The seamless integration of technology when needed enhanced and simplified our team's ability to oversee and manage their team. Their commitment to excellence is evident in every interaction, making them an invaluable partner in delivering top-notch customer service.

Call Centers Review from Paul Benefit
I am very pleased and impressed with Protel BPO's inbound call center services. Their team is professional and focused on quality. They have consistently delivered exemplary customer service, addressing our customers' queries and concerns with the utmost professionalism. The team at Protel has been proactive, responsive, and efficient, ensuring smooth operations and great customer satisfaction. We greatly appreciate their dedication and expertise, making Protel an invaluable partner for our customer service efforts.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDeveloping Companies That Endure
Agency Y provides cold calling, appointment setting, and email marketing services for small and medium-sized businesses. Operating from Skopje, Macedonia with agents trained for US and Canadian markets, the agency offers both hourly and performance-based cold calling pricing with no contracts...
Top Services:
- Call Centers
- BPO
- Customer Support
- Email Marketing
- Market Research
- Show more
- Location
- Skopje, Macedonia
- Number of Employees
- Under 49
- Average Hourly Rate
- $17/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAgency Y Services
Data sourced from the agency's DesignRush profileBike Exchange Newell's Express Worldwide Logistics Zero Defect Manufacturing Kairos Promotional Agency Essinta Woolco Foods
Agency Y Reviews & Testimonials

Lead Generation Review from Jimmy Mancini
I recently engaged with Agency Y for their cold calling services, and I am beyond impressed with the results. From the outset, their team exhibited a high level of professionalism and expertise that set them apart

Lead Generation Review from Mark Stone
They helped us with cold calling and closed a decent number of clients. Will hire them again.
Cristiana Galbiati's Review Sourced from Google
I had the pleasure of working with Milan and his agency for telemarketing services for my Christmas light installation business, and I couldn't be more satisfied. They were punctual, precise, and incredibly well-organized. Milan was my main point of contact, and he ensured that every request was met with professionalism and efficiency. The quality of leads generated was impressive, and the entire experience was seamless. I highly recommend this agency for anyone looking for reliable and effective telemarketing services.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsApps, Websites, Dashboards & Games
SeenTK is a Syrian software development company building websites, mobile apps, admin dashboards, e-commerce platforms, and Unity games. We help startups and businesses turn ideas into reliable digital products with clean UI/UX, scalable code, testing, deployment, and ongoing support...
Top Services:
- Design Services
- Web Design
- eCommerce Development
- Web Development
- Software Testing
- Show more
- Location
- Damascus, Syria
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsseenTK Services
Data sourced from the agency's DesignRush profileRAMI SARAA MOHAND AHMAD MOHAMMAD ALZOUABI
Hire Filipino VAs That Actually Deliver.
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsArmasourcing Services
Data sourced from the agency's DesignRush profileTekton Growth NorCal Pool Service Click Press Hub Ask Away Health Twin Cities Auto Auction
Armasourcing Reviews & Testimonials
Joanna Pulvinar's Review Sourced from Google
We signed up for their Managed VA Team (3 VAs + team lead + reporting) and it immediately helped our ops. Eli was involved in the planning stage, and Lyza handled onboarding. We now have someone on admin, inbox management, and basic CRM updates way more organised than before!
zai Dela Cruz's Review Sourced from Google
We brought them in during a busy period, and honestly it helped us stay afloat. Eli was easy to talk to and very practical. The onboarding with Alessandra was smooth, and now things feel a lot more under control.
Ashley mae Santiago's Review Sourced from Google
Our company was expanding fast and we were starting to feel the pressure in operations. Armasourcing stepped in at the right time. Eli helped map out what roles we actually needed, not just what we thought we needed. Since onboarding, everything runs a lot smoother and more structured.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsSimplifying Your Digital Needs With Unlimited Skills
Protovo Solutions is an experienced and reliable group of digital engineers, problem solvers, thinkers, consultants, and all-around specialists. We believe in providing one-of-a-kind solutions to everyone of our customers, since we are the creators of human experience. Our mission is to simplify the...
Top Services:
- CRM Consulting
- Software Development
- eCommerce Development
- Digital Services
- Web Development
- Show more
- Location
- Bhilwara, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsProtovo Solutions Services
Data sourced from the agency's DesignRush profileIT Industry Small Business Industry Marketing Industry
Protovo Solutions Reviews & Testimonials

CRM Consulting Review from Mohamed Farrag Enab
Protovo's CRM module customization yielded significant measurable outcomes, enhancing overall efficiency with a notable X% reduction in task completion time. User adoption saw a commendable X% increase, and the customization contributed to a substantial X% decrease in data errors. The impact on sales was evident, with a noteworthy X% boost in leads and conversions directly attributed to the tailored module. User satisfaction remained high, as reflected in positive feedback and a satisfaction rate of X%. Additionally, the project resulted in tangible cost savings of X% through improved operational efficiency. The system's adaptability was showcased by seamlessly incorporating X number of changes and updates. Collectively, these measurable achievements underscore Protovo's effectiveness in delivering a customized CRM solution that significantly enhances business processes and outcomes.
Anjali Nawal's Review Sourced from Google
Starting my internship with Protovo by my first year of engineering and becoming the junior software engineer at Protovo, it was really a great experience and time with a company like this where i got to know about many of the latest technologies and one with great work culture which every person dream for. A great boss is always a one people want in company and here I got three. Seniors are really friendly and always help and guide me with work and our leaders too. I would suggest you too get a chance to work with Protovo if you want to do something in life and you will not regret it later. Best place for freshers and also for interns to start their career and boost the confidence. Go with Protovo #protovian
Aakanksha Dadhich's Review Sourced from Google
Working in protovo solutions gives me learning in new technologies and explore my skills. Company has friendly environment and work ethics.company is best place who love their work and have passion for their work.I suggest all freshers to start your career with company you will get lots of learning here.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsYes We Care
NEWTEL is a premier BPO provider delivering exceptional omnichannel call center, live chat, and social media support. We combine elite customer service with advanced content moderation to secure and scale your digital brand 24/7...
Top Services:
- BPO
- Call Centers
- Software Testing
- Customer Support
- HR Outsourcing
- Show more
- Location
- Amman, Jordan
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $50,000 & Up
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNEWTELCMC Services
Data sourced from the agency's DesignRush profileEjarjar ICON7 IBN SINA HIMMA & QAMIA VUEDALE SRAYA AQBA WATER PARK
Leading Virtual Assistant Services Provider
Express Virtual Assistant (EVA) is a globally managed virtual workforce solutions provider that helps businesses streamline operations through structured, performance-driven support systems. Founded in 2004 as a subsidiary of Flatworld Solutions, EVA goes beyond traditional outsourcing by offering a...
Top Services:
- BPO
- Location
- Princeton, New Jersey
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $8/hr
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsExpress Virtual Assistant Services
Data sourced from the agency's DesignRush profileeCommerce Industry Real Estate Industry Software & IT Services Industry
Brisk Web Services: Your Accelerator in the Digital Race.
Brisk Web Services serves as your accelerator in the digital race, offering tailored strategies, measurable results, and a fervent commitment to driving businesses forward in the online realm. With a focus on delivering customized solutions and tangible outcomes, we are dedicated to propelling our clients to...
Top Services:
- Digital Services
- Branding
- Logo Design
- Web Design
- WordPress Website Design
- Show more
- Location
- Ćuprija, Serbia
- 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 accountsBrisk Web Services Services
Data sourced from the agency's DesignRush profileKunsten Atlas Agency Launch Lab Mentoras
UK Operations Partner
AtDesk is a UK-focused operations partner helping service businesses manage calls, customer support, dispatch, CRM and administrative workflows with clear reporting and accountable human support...
Top Services:
- Phone Answering Services
- Customer Support
- BPO
- Call Centers
- Business Consulting
- Show more
- Location
- Blackburn, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- Under $1,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAtDesk Services
Data sourced from the agency's DesignRush profileBurne & Royce Claimdesk Locumsmart Resolving Sites Copley Pest Solutions Preston Taxi Earful Designer Sofas Euromets Smart Retailers
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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.









