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.
United States × Telemarketing × Manufacturing × Sort by: Organic Rankings ×Clear Filters
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
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Location
Los Angeles, California
Number of Employees
500 - 999
Portfolios Count
100 Projects Listed
Callbox Services
Managed Services
Cloud Consulting
Digital Marketing
ERP Consulting
CRM Consulting
BPO
Event Marketing
SEO
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Amazon
Google
Microsoft
Workday
SAP
Telefonica
Zendesk
opentext
Yandex
NEC
Data sourced from the agency's DesignRush profile
Callbox Reviews & Testimonials
Joachim Fong Regional Marketing Specialist at Malvern Panalytical
5.0★
Lead Generation Review from Joachim Fong
For the past year, Callbox has provided us with satisfactory lead generating and lead nurturing services. They were instrumental in securing attendees for our events, scheduling client appointments and facilitating the sale of one of our benchtop systems. Their professionalism in conveying our product attributes and valued solutions to prospective customers has brought us results.
Jonathan Anderson Owner at ABS
5.0★
Lead Generation Review from Jonathan Anderson
I’ve used Callbox now for about four months for my internet marketing company. The first two months they did not pay off. However with some additional training on my part, they started to close a higher percentage of my target audience. They’re really smart, nice and are really working hard to keep my business. My dedicated team keeps me up-to-date through frequent communications. My R.O.I is getting stronger and my CPA is starting to drop.
Ted Calvin Co-Founder & Vice President at Charted Energy
5.0★
Appointment Setting Review from Ted Calvin
Charted Energy has enjoyed a productive relationship with Callbox. They have done a great job of helping us target prospects within the markets we serve as well as qualify leads and set up appointments with decision-makers. Callbox has generally exceeded the number of leads per week we expected and provides a good value by enabling our inside sales team.
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Martal Group runs outsourced B2B cold calling, appointment setting, lead generation, and SDR programs for companies across SaaS, fintech, cybersecurity, healthcare, and manufacturing, powered by 200+ onshore sales executives and proprietary AI outreach...
Top Services:
Email Marketing
Digital Marketing
Social Media Marketing
BPO
Digital Strategy
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Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$45/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
5 Projects Listed
Martal Group Services
Email Marketing
Digital Marketing
Social Media Marketing
BPO
Digital Strategy
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Clickworker.com
Incentives-Solutions.com
Semasio.com
Kipod.com
Favendo.com
Weezmo.com
Intech-Global.com
NemoNano.com
Indoorgo.com
Vidmind.com
Data sourced from the agency's DesignRush profile
Martal Group Reviews & Testimonials
Nidhi Jaiswal Marketing Executive at Social Frontier
5.0★
Marketing Review from Nidhi Jaiswal
From the very start, their team was very professional, communicated in a timely manner, and was very familiar with B2B lead generation. We were just surprised at their team culture and their desire to work hand-in-hand with our team. It felt like they were not an external vendor but a true partner in all respects.Throughout our working time together, Martal always produced excellent work while keeping us informed and engaged. They are solution-oriented, proactive, and willing to share ideas that enhance performance. It is not often that you find a team that is so concerned about your success.What we value most is their honesty and commitment to building something that will last. They don't seek quick wins but work to build outcomes that last and can potentially expand. With their experience combined with a well-structured plan, they are a reliable and outcome-driven collaborator.If you need to reach more customers and you would like to have a company that is concerned about your success, you can rely on Martal Group. We highly recommend that you use their services.
Anas Aftab Outreach Manager at Get Pro Links
5.0★
Digital Marketing Review from Anas Aftab
Working with Martal Group has been an absolute pleasure. Their team is collaborative and transparent and consistently delivers on their commitments with professionalism and expertise. From the start, it was clear they are passionate about building meaningful and lasting business relationships.What stands out most is their willingness to go above and beyond. Whether its sharing valuable insights, offering timely support, or simply being approachable and helpful, Martal Group has proven to be a reliable partner. Their depth of knowledge in the B2B space, paired with a genuine dedication to helping businesses grow, makes them a standout organization.If you're looking for a team that values collaboration, transparency, and long-term success, Martal Group is an excellent choice.
Doug McLean VP of Global Sales and Channels at Complete EDI
5.0★
Call Centers Review from Doug McLean
Martal Group was able to facilitate Complete EDI’s first ever outbound lead generation efforts in the company’s history. Following the onboarding process, Martal was able to deliver 2 sales-qualified leads within the second week of campaigns and by the end of the 3 month pilot period had 14 sales-qualified leads.
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Appointment Setter Online delivers outsourced appointment setting and lead generation through dedicated SDRs assigned by client fit, covering outbound prospecting, inbound qualification, telemarketing, and customer support. To date, the call center provider reports 75,000+ verified sales bookings...
Top Services:
BPO
Phone Answering Services
Customer Support
Digital Marketing
Social Media Marketing
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Location
Albany, New York
Number of Employees
500 - 999
Average Hourly Rate
$5/hr
Portfolios Count
8 Projects Listed
Appointment Setter Online Services
BPO
Phone Answering Services
Customer Support
Digital Marketing
Social Media Marketing
PPC
Email Marketing
Content Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Trainual Inc
15Five
electrIQ marketing
YCharts
PERQ
GMass
Heinz Marketing Inc
Arch-Con Corporation
Data sourced from the agency's DesignRush profile
Appointment Setter Online Reviews & Testimonials
Eli Hamilton Sr. Director of eCommerce at Intelligentsia Coffee Inc.
5.0★
Customer Support Review from Eli Hamilton
This company has delivered exceptional customer support services that made a noticeable impact on our overall workflow and customer satisfaction. From day one, their team demonstrated professionalism, responsiveness, and a genuine commitment to representing our brand with care. They handled customer inquiries promptly, clearly, and with an impressive level of empathyensuring that every interaction felt personalized and attentive.One of the things we appreciated most was their ability to quickly understand our products, processes, and communication tone. They not only answered questions efficiently but also helped educate our customers, resolve issues with patience, and maintain a positive experience even in challenging situations. Their follow-up processes were consistent, their communication was always organized, and their ability to manage high volumes of inquiries without compromising quality truly stood out.They became a seamless extension of our internal team, reducing our workload and allowing us to focus on growth while knowing our customers were in excellent hands. Their dedication, reliability, and customer-first approach made the entire partnership incredibly valuable. We highly recommend their customer support services for any business looking to elevate its service experience.
Romain Devisme Executive Director at Havas Events Shanghai
5.0★
Back Office Outsourcing Review from Romain Devisme
We hired Assistant Setter Online for:contracted customer support solutionshrinking customer querie volumeBeing an agency involved in the business of advertising and marketing we were ramping up our efforts in terms of campaigningAssistant Setter Online does all our inbound processing, phone, chat and e mail support. They started employment with us on test basis initially and during their 2- week onboarding process they did so with our front-line team which was structured. We gave them tours of our products, tone of voice, brand guidelines and escalation workflows. All the traffic entering their channel is currently managed by their team, all the outbound communication is done via RingCentral and they also integrated Tawk.to live chat support on our site, increasing the level of engagement and conversion. After working with Appointment Setter Online, we now have quantitative indicator of results in customer satisfaction levels. They always provide a high level of support and it has saved us a considerable amount of overhead costs in the process of hiring, training and retaining in-house personnel. We would in fact expect savings of 50 percent or more. They have been extremely reactive and structured.
Raul Vizcaino Operations Manager at Supermarket Source Inc
5.0★
Appointment Setting Review from Raul Vizcaino
I am the Operations Manager at Supermarket Source Inc, We empower our customers to excel by providing top-notch equipment and design services to the food retail industry. We needed help with B2B appointment setting and sales closing to increase our revenue and sales, Appointment Setter Online provides B2B appointment-setting services. We provide our company's data, and the team helps us with email, chat, and phone calls. We pay $1,000 for each agent, Appointment Setter Online has increased our sales by 22% so far. The quality of their work exceeds our expectations, Appointment Setter Onlines project manager always contacts us through WhatsApp, Slack, and email. We use High Level to arrange the leads and Google Sheets to maintain records and updates of the sales and leads, Were satisfied with the quality of the team, and they've actually increased our sales.
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Top Customer Service is an AI-assisted call center and BPO company, combining human agents with AI tools to deliver 24/7 inbound call handling, outbound support, live chat, and virtual assistant services. The agency caters to clients across eCommerce, media, entertainment, and automotive sectors...
Top Services:
Customer Support
Call Centers
BPO
Phone Answering Services
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Location
Albany, New York
Number of Employees
500 - 999
Average Hourly Rate
$10/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
26 Projects Listed
Top Customer Service Services
Customer Support
Call Centers
BPO
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Trainual Inc
15Five
ElectrIQ Marketing
YCharts
PERQ
GMass
Heinz Marketing Inc
Arch-Con Corporation
Data sourced from the agency's DesignRush profile
Top Customer Service Reviews & Testimonials
Manoj Thenua Chief Executive Officer at Medico Hub
5.0★
Customer Support Review from Manoj Thenua
I recently engaged a customer support provider to manage client service and support tasks for my healthcare-oriented platform. From the outset, their team was extremely professional, responsive and attentive. Their onboarding process was smooth, prompt, and well-organized. Throughout the project they handled all support tickets including account queries, billing questions, technical issues and general user guidance with empathy and clarity.What impressed me most was their commitment to quality: they consistently responded quickly to inquiries (often within minutes), maintained a helpful and courteous tone, and followed up until the users problems were fully resolved. Feedback from my users has been overwhelmingly positive: many praised how easy it was to get help and how satisfied they were with the assistance.Thanks to their efficient support, user satisfaction and retention improved noticeably compared to the period before they handled support. I also experienced fewer escalations and received fewer complaints overall. Their professionalism and consistency gave me peace of mind and freed me to focus on growing the platform rather than handling day-to-day support issues.Overall, working with them has been a very positive and productive experience the quality of support exceeded my expectations.
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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
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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
Vserve Ebusiness Solutions Services
Logistics
Accounting
eCommerce Development
BPO
Call Centers
Web Design
eCommerce
SEO
Customer Support
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Traci Miller
Marcia Maples
Joseph Powell
Data sourced from the agency's DesignRush profile
Vserve Ebusiness Solutions Reviews & Testimonials
Marie M. Harris Undisclosed at Retail
5.0★
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.
Danielle W Undisclosed at Retail
5.0★
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!
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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
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Location
Las Vegas, Nevada
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
Leadium Services
Email Marketing
BPO
CRM Consulting
Business Consulting
Direct Marketing
Customer Support
Market Research
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Square
Rackspace
Microsoft
LG
DirecTV
OSRAM
Time Logistics
Palo Alto Networks
Amada Senior Care
brightwheel
Data sourced from the agency's DesignRush profile
Leadium Reviews & Testimonials
Scott Proffitt VP of Sales at Energy Assurance
5.0★
AI Marketing Review from Scott Proffitt
Our monthly leads have gone up by 3x with Leadium. This allows us to focus on production efficiencies.
Sam Jennings Sales Manager at Best Bees Company
5.0★
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.
Marcos Moura Founder and COO at Amada Senior Care
5.0★
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!
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Pinpoint Technologies, Inc. is a U.S.-based data & list solutions provider that specializes in supplying highly targeted business contact lists. The company serves clients in industrial, engineering & scientific research sectors, offering services such as email/direct mail/telemarketing lists, list...
Top Services:
Call Centers
Location
Santa Ana, California
Number of Employees
100 - 249
Pinpoint Technologies Services
Call Centers
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
What We Bring to the Table, Will Take Things off Your Plate
RSVP Communications is a full-service, marketing support services firm. We are solutions driven and result oriented...
Top Services:
Call Centers
Location
Greensboro, North Carolina
Number of Employees
50 - 99
Average Hourly Rate
$100/hr
RSVP Communications Services
Call Centers
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Trucking Industry
Agribusiness Industry
Furniture Industry
Data sourced from the agency's DesignRush profile
RSVP Communications Reviews & Testimonials
Supreme Wiz Review from Google
1.0★
Supreme Wiz's Review Sourced from Google
Purchased supreme merch and they use this company to ship. They use UPS surepost when they should be using UPS Ground. Don’t make consumers pay to save a buck. Provide HQ service instead.
B E Review from Google
1.0★
B E's Review Sourced from Google
Really wish I could leave zero stars because that's what this company deserves. Why on the earth should I have to wait one extra day for UPS Surepost when it took over a week to ship my items to begin with. Just trying to cut costs, they don't give a hoot about everyday people like you and me. Their shipping department needs some serious coaching.
Poplar Pawn Review from Google
1.0★
Poplar Pawn's Review Sourced from Google
If I could leave less than 1 star, I would. I received half of an order that was poorly packed. My item was completely destroyed in shipping because they simply lack the ability to properly package an item. Furthermore, this poor excuse of a company then sent all items VIA surepost which costs an average of $4 per shipment. Interesting considering Supreme charges a minimum shipping expense of $10. Because I am in the shipping/fulfillment industry, it is easy to see that lack of leadership is causing this company to suffer. - My resume is available when you're ready to fix your horrifying issues.
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Grow your pipeline. We know how. We book appointments.
VSA is a B2B call center that helps clients generate leads and produce new business; our experienced team takes on what internal sales teams don’t want to do, can’t do well, or don’t have time to do...
Top Services:
Call Centers
Market Research
Location
Haddon Township, New Jersey
Number of Employees
50 - 99
VSA Prospecting Services
Call Centers
Market Research
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Lead Generation
Market Research
Call Center
Data sourced from the agency's DesignRush profile
VSA Prospecting Reviews & Testimonials
Paul Jurgaitis Review from Google
5.0★
Paul Jurgaitis's Review Sourced from Google
We have been working with VSA for over 2 years and everyone is extremely pleased with the results. The entire team has been great to work with and they've become an integral part of our ongoing business development strategy. VSA consistently feeds our pipeline with high quality leads and are always available when you need them. They even made sure I didn't miss my flight when there were no cabs or Ubers available!Thanks for all the great work you've done!
John A Martinka Review from Google
5.0★
John A Martinka's Review Sourced from Google
I started working with VSA in 2016 after going through three other services over the prior two years. These other services were sole practitioners and very small operations. They lacked oversight and control, something on which VSA is strong. In other words, the work gets done.And when the work is done there are positive results.The communications is excellent (Michele is great), they are flexible to my client’s ever changing schedules, and the feedback from those with whom they set appointments for me is positive (about the caller and their demeanor). To the person on the other end of the call it seems the caller is part of my business, which means they are very professional. I highly recommend VSA, and have recommended them to others.
Chris Santarpio Review from Google
5.0★
Chris Santarpio's Review Sourced from Google
Our company has been working with VSA for about 5 years. They are such a great time and an extension to our sales and customer service team. They have both performed lead generation activities (i.e. appointment setting), as well as, customer service survey calls. VSA was quick to learn our ideal customers. They do a great job with getting to the right person. Our business is both service and product sales and VSA has a great grasp of what our objectives are. We are so fortunate to continue to see results with their hard work and dedication. I highly recommend VSA if you are looking to see more sales activity and results.
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B2B Lead Generation | B2B Appointment Setting | Cold Calling Services and More
CallingAgency books qualified B2B appointments with decision makers for your sales team. We have served more than 2,100+ businesses across 50+ industries in the US, Canada, and Australia...
Top Services:
Call Centers
Customer Support
Digital Marketing
Location
New Castle, Delaware
Number of Employees
250 - 499
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Calling Agency Services
Call Centers
Customer Support
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
"Your Trusted Service Partner, Across the Nation."
ASK 2 PRO delivers expert virtual assistant services nationwide, helping businesses streamline tasks, boost efficiency, and expand their network. From admin to communication, we handle the details so you can focus on growth and success...
Top Services:
Web Development
Digital Marketing
AI Development
HR Outsourcing
Customer Support
Show more
Location
New York City, New York
Number of Employees
50 - 99
Average Hourly Rate
$7/hr
ASK 2 PRO Services
Web Development
Digital Marketing
AI Development
HR Outsourcing
Customer Support
Phone Answering Services
IT Services
Market Research
Branding
BPO
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
JMS is a leading B2B lead generation firm serving companies that offer complex, often high-ticket solutions, products and services. Our clients rigorously test us against other lead generation firms, and we consistently prove our ability to meet or exceed their objectives. Based on this trust, clients make...
Top Services:
Call Centers
Digital Marketing
Location
Willoughby, Ohio
Number of Employees
Under 49
JMS Elite Services
Call Centers
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
CCJM Solutions is a boutique IT Consulting and BPO firm located in Atlanta, Georgia. We are passionate about helping businesses modernize operations while reducing costs. Our areas of expertise includes custom software, web, and app development, cloud migrations, staffing, and compliance management...
Top Services:
IT Services
Software Development
Graphic Design
CRM Consulting
Cloud Consulting
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Location
Atlanta, Georgia
Number of Employees
100 - 249
Average Hourly Rate
$65/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
CCJM Solutions Services
IT Services
Software Development
Graphic Design
CRM Consulting
Cloud Consulting
IT Compliance Solution
BPO
HR Outsourcing
Business Consulting
Managed Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
We Focus On Customer Service So You Can Focus On Your Business.
Five Star Solutions is a premier, mid-sized contact center outsourcer dedicated to delivering world-class customer care. By blending boutique-level agility with enterprise-grade capabilities, the company serves as a seamless extension of its clients' brands...
Top Services:
Business Consulting
Call Centers
BPO
Phone Answering Services
Show more
Location
Sioux Falls, South Dakota
Number of Employees
1000 & Up
Average Hourly Rate
$25/hr
Minimal Budget
$50,000 & Up
Five Star Solutions Services
Business Consulting
Call Centers
BPO
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
VerifiedVerified by the DesignRush team for authenticity and credibility.
World-Class Outsourced Teams Operating 24/7 Globally, in 60+ Languages
Hugo deploys dedicated inbound and outbound call center teams across 60+ languages, with 24/7 coverage and 99.9% uptime. Its university-educated agents deliver 88% first call resolution. The call center provider is ISO 27001, HIPAA, and SOC 2 certified...
Top Services:
Customer Support
Call Centers
BPO
Phone Answering Services
Transcription Services
Show more
Location
Chicago, Illinois
Number of Employees
1000 & Up
Average Hourly Rate
$10/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
8 Projects Listed
Hugo Services
Customer Support
Call Centers
BPO
Phone Answering Services
Transcription Services
Translation Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Google
Meta
Outschool
Topicals
Attentive
Faire
Sakara
Aurora
Data sourced from the agency's DesignRush profile
Hugo Reviews & Testimonials
Greg Digneo founder at content guppy
5.0★
B2B Review from Greg Digneo
Best decision we made last year was partnering with this CX team for our customer support, billing, and sales assistance. We were drowning in client emails and chasing invoices late at night instead of focusing on SEO strategy. Results have been incredible: client response times dropped from hours to under an hour, payment collection improved 60%, landing page conversions up 28%, and client retention increased 35%. They integrated seamlessly with our systems and scaled with us as we grew. Now we have more time to focus on delivering SEO results instead of being stuck in support tickets all day. If you're an agency juggling client support with campaign management, this team is a game-changer.
Nimmit Shah Owner at Pi Asset Management Ltd
5.0★
BPO Review from Nimmit Shah
Collaborating with Hugo elevated our property management firm's performance. Their support solutions slashed response times by 40% and boosted tenant satisfaction by 30%. Hugo's seamless integration proved instrumental in propelling our business forward, setting new benchmarks in operational excellence.
Jambu Subramanian Senior Manager of Operations at Kasha Global
5.0★
Customer Support Review from Jambu Subramanian
Their team quickly integrated into our workflow, demonstrating a deep understanding of our business needs. We were impressed by their professionalism and the ease with which they handled complex customer inquiries. Hugo's technical support team showed exceptional problem-solving skills, significantly reducing resolution times for order issues.
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