Since 2004, Callbox has been the trusted leader and top lead generation company, driving high-velocity growth for businesses worldwide. As the largest and most experienced player in B2B sales development, we offer comprehensive solutions from AI-powered prospecting to appointment setting designed to fuel your revenue pipeline.
Our multi-touch, multi-channel approach is built for the 2026 landscape. We seamlessly integrate intent-based conversations with email, LinkedIn, social media, search, and account-based marketing (ABM). This holistic strategy ensures engagement with key decision-makers at every stage of the conversion cycle, maximizing your ROI and delivering sales-qualified leads (SQLs).
Headquartered in Encino, CA, with a global footprint, we have successfully completed over 20,000 campaigns across diverse B2B verticals and global markets. This extensive track record makes us a top outsourced lead generation partner you can rely on.
Our Edge as a Top Lead Generation Company:
Proprietary Data Stack: Access to a vast, verified in-house B2B database with real-time intent signals.
Personalized Lead Nurturing: Automated, yet human-led programs to turn cold leads into warm prospects.
Precision ABM: Advanced Account-Based Marketing for hyper-targeted outreach to high-value accounts.
Full-Funnel Engagement: Content syndication, lead re-activation, and retargeting to maximize touchpoint density.
What’s New at Callbox
Co-managed Sales Development Staff Augmentation Integrate dedicated SDRs directly into your internal workflow. This model combines the control of an in-house team with Callbox’s premium data, AI-powered tech stack, and recruitment infrastructure to scale your pipeline with lower overhead.
Ready to Scale? Whether you are looking to penetrate new markets, increase conversion rates, or hit aggressive revenue targets, Callbox provides the data-driven lead generation and sales expertise to deliver measurable results. Partner with the industry leader today.
Callbox offers competitive pricing for lead generation services, with clients reporting positive ROI and significant lead generation outcomes. Specific costs were not disclosed, but clients appreciate the value for cost and flexibility offered. Their services include multi-channel outreach, which enhances effectiveness.
Some clients noted that Callbox could improve its services in non-English speaking markets by hiring multilingual agents. This would enhance their ability to engage effectively with prospects in regions like China and Vietnam, where language barriers exist.
Effective Use of Multi-Channel Strategies
Callbox effectively utilizes multi-channel strategies, including email, phone, and social media, to engage prospects and generate leads. This approach has been successful in reaching diverse markets and enhancing client outreach efforts.
Successful Appointment Setting
Callbox excels in setting qualified appointments, facilitating meaningful engagements between clients and prospects. This service has been instrumental in helping clients build strong sales pipelines and achieve higher conversion rates.
Responsive and Proactive Support
Clients appreciate Callbox's responsive and proactive support, noting their ability to address issues promptly and maintain open lines of communication. This level of support is crucial for maintaining successful client relationships.
Effective Lead Generation Performance
Callbox consistently delivers high-quality leads across various industries, exceeding client expectations. Clients report significant increases in qualified leads, contributing to stronger sales pipelines and improved conversion rates. Their multi-channel approach and expertise in targeting specific markets are praised.
Successful Engagement in Complex Industries
Callbox has successfully engaged in complex industries such as cybersecurity and healthcare, delivering valuable leads and insights. Their ability to navigate industry-specific challenges and deliver results is highly regarded by clients.
"The outcome was satisfactory as they met most of our targets."
Oct 25, 2022
CEO, Business Management Firm
Anonymous
Other industries
Montreal, Quebec
11-50 Employees
Online Review
Callbox provided digital marketing for a business management firm. They targeted end customers using emails, managed social media accounts, and launched an outbound filing campaign.
The client was very satisfied with Callbox's deliverables and impressed with the partnership. The service provider's team was professional, efficient, and communicative.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am the CEO of a Business Management Firm operating across multiple countries.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox?
We were looking for a company to help us with Lead Generation so to promote our products and services
SOLUTION
How did you select this vendor?
After carefully assessing several companies that work in this domain, we found that CallBox is the best suited to help us as they met most of our selection criteria
Describe the scope of their work in detail.
They helped us finding our target customers using email, social media and out-bound dialing campaigns.
What was the team composition?
The team was composed of six person, an account manager and 5 specialist to support the marketing campaigns
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
The outcome was satisfactory as they met most of our targets
How effective was the workflow between your team and theirs?
I can't complain. Did not have any bad experience with CallBox
What did you find most impressive about this company?
They are very professional
Is there any area for improvement or anything that could have been done differently?
Trivial, nothing worht mentioning
RATINGS
5.0
Quality
4.5
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
3.0
Value / within estimates
Willing to Refer
5.0
NPS
Lead Generation for Consulting Firm
Social Media Marketing
$50,000 to $199,999
Nov. 2021 - Jan. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They were very professional."
Oct 17, 2022
CBO, Practus Advisors
Graham Kitching
Verified
Other industries
Tampa, Florida
201-500 Employees
Online Review
Verified
Callbox was hired by a consulting firm for their lead generation. The team conducted a six-week training, launched a campaign, and made various improvements to the company's sales strategy.
Callbox successfully performed 10-15 quality meetings weekly with the target audiences. Their management style and communication were excellent. What stood out the most was their professionalism during the collaboration.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Global Consulting Firm I am Chief Business Officer North America
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox?
Gain high quality meetings with senior executives for consulting sales
SOLUTION
How did you select this vendor and what were the deciding factors?
Compared to many vendors globally Professional presentation , price and prior knowledge helped decide
Describe the project in detail and walk through the stages of the project.
The first 6 weeks were training, then launched into the campaign. Many improvements along the way to get to where we are now
How many resources from the vendor's team worked with you, and what were their positions?
4 - us VP Delivery head Delivery manager Delivery associate
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
10 to 15 quality meetings per week with targets
How effective was the workflow between your team and theirs?
Excellent
What did you find most impressive or unique about this company?
They were very professional.
Are there any areas for improvement or something they could have done differently?
None
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Lead Generation for B2B Managed IT Services Provider
Call Center Services
$10,000 to $49,999
September 2022
4.0
Quality
5.0
Schedule
5.0
Cost
3.0
Willing to Refer
3.0
"The most impressive about Callbox was the response time was very quick."
Oct 3, 2022
Business Dev Manager, B2B Managed IT Services Provider
Matthew Franzyshen
Verified
Other industries
Somerset, New Jersey
11-50 Employees
Online Review
Verified
Callbox provided lead generation services for a B2B managed IT services provider. The team proposed a package that included appointment setting via LinkedIn, sales prospecting, email outreach, and cold calling.
The client didn't implement the solution, but Callbox delivered a professionally-designed slide deck. They also had clear communication and efficient delivery. In addition, their quick responses impressed the client the most.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
My position is Business Development Manager at a B2B Managed IT services provider in New Jersey.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox, and what were your goals??
We completed a demo with Callbox for lead gen. services. We wanted to explore a new funnel for growth in 2023 and Mark was very professional.
SOLUTION
How did you select this vendor and what were the deciding factors?
We did not decide to pursue this vendor for services.
Describe the project in detail and walk through their service package, including any calling tools used.
Callbox presented a package for appointment setting via LinkedIn sales prospecting, email, and some light cold calling.
Who did you work with and what was the feedback process like?
I worked with Mark Machan for a presentation demo. He was very professional, but the solution did not meet our expectations.
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the service?
We didn't receive any results because we didn't pursue the solution.
Describe their project management style, including communication tools and timeliness.
The slidedeck was professionally designed, communication was clear, and efficient time wise.
What did you find most impressive or unique about this company?
The most impressive about Callbox was the response time was very quick. I filled a form out around 1:00 AM and they engaged me immediately.
Are there any areas for improvement or something they could have done differently?
Not really, they could have a lower price and not ask for payment in full. The competition is earning the business month to month at a lower rate and completely US based.
RATINGS
4.0
"Overall 4 stars seems fair for Callbox"
Quality
5.0
Service & Deliverables
"The slidedeck was nice."
Schedule
5.0
On time / deadlines
"Scheduling was a breeze."
Cost
3.0
Value / within estimates
"The cost was significant + upfront payment was an obstacle for us."
Willing to Refer
3.0
NPS
"I can't refer them to a friend because I didnt use their solution.
Lead Generation for Cloud Software Organization
Call Center Services
$10,000 to $49,999
June - July 2022
4.5
Quality
4.5
Schedule
4.5
Cost
4.5
Willing to Refer
4.5
"Callbox generated a number of leads in a short amount of time and helped our pipeline grow steadily."
Jul 21, 2022
Head of Sales, Cloud Software Organization
Anonymous
Verified
Other industries
Sydney, Australia
11-50 Employees
Online Review
Verified
Callbox provides lead generation for a cloud software organization's using voice, email, and social media. Their team was involved in all aspects of the campaign, from email and feedback.
Callbox's work has been met with positive acclaim. They generated a number of leads in a short amount of time. The team exhibited constant and transparent communication.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Head of sales at a SaaS based cloud software organisation
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox, and what were your goals??
We used Callbox to increase our lead generation and help build a stronger pipeline for the business
SOLUTION
How did you select this vendor and what were the deciding factors?
Reviewed a few vendors and chose Callbox
Describe the project in detail and walk through their service package, including any calling tools used.
They provided a team to run a lead generation campaign via voice, email and social media
Who did you work with and what was the feedback process like?
A team was assembled to handle the different parts of the campaign. Feedback was given via email and weekly reporting sessions.
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the service?
Callbox generated a number of leads in a short amount of time and helped our pipeline grow steadily.
Describe their project management style, including communication tools and timeliness.
weekly reports and live chat
What did you find most impressive or unique about this company?
The communication was constant and transparent
Are there any areas for improvement or something they could have done differently?
n/a
RATINGS
4.5
Quality
4.5
Service & Deliverables
Schedule
4.5
On time / deadlines
Cost
4.5
Value / within estimates
Willing to Refer
4.5
NPS
Lead Generation for IT-Managed Services Provider
Content MarketingOther Digital Marketing
$10,000 to $49,999
Apr. - July 2021
3.0
Quality
3.0
Schedule
3.5
Cost
3.0
Willing to Refer
3.0
"Their marketing plan could be reassessed in order to obtain some results for their clients."
Jun 13, 2022
Director of Sales Operations, IT Managed Services Provider
Anonymous
Verified
Other industries
Manhattan, New York
51-200 Employees
Online Review
Verified
Callbox was tasked to generate leads for an IT-managed services provider. The services included creating content, call scripts, email copies, landing pages, and social media messaging.
Callbox failed to schedule qualified meetings and webinars with the client. Also, they didn't seem to adapt to the process quickly. Despite an overall good workflow, no clear results were provided.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am the director of Sales Operations at an IT Managed Services provider.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox?
Lead generation.
SOLUTION
How did you select this vendor and what were the deciding factors?
Based on online reviews
Describe the project in detail and walk through their service package.
Content Creation and Optimization Call Scripts
Email Copies
Landing Page
Social Media Messaging
Chat Script
Banner Ads
10,000 minimum total actions on a minimum of 2,000 contacts per quarter (3 months) across these marketing channels: Call Marketing Introduction/prospecting, lead qualification, lead nurturing, follow-ups and appointment confirmation calls
Email Marketing
Delivered email introductions, follow-up emails, and replies
Social Media Marketing
LinkedIn invitations to connect, drip and private messages (Inmail)
24/7 Chat Support
Live chat conversations
Landing Pages
Contact form submissions
Targeted Ads
Campaign Ad impressions and clicks
How many resources from the vendor's team worked with you, and what were their positions?
Client Success Manager & Production Manager Dedicated Sales Development Rep(s) Email, Social Media & Chat Specialist Research and Data Analyst Quality Analyst, but our communication was with the client success manager.
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
We had no qualified meetings scheduled.
How effective was the workflow between your team and theirs?
It was ok, although they never scheduled the webinar, did cancel meetings often and didn't seem to be able to adapt based on no results.
What did you find most impressive or unique about this company?
Not effective for IT managed services.
Are there any areas for improvement or something they could have done differently?
I would expect their marketing plan could be reassessed in order to obtain some results for their clients but they were not successful in doing so.
RATINGS
3.0
"Should be more clear about their results with IT managed services market."
Quality
3.0
Service & Deliverables
"No qualified meetings scheduled"
Schedule
3.5
On time / deadlines
"Cancelled several meetings during the project"
Cost
3.0
Value / within estimates
"Anything for no results is really expensive."
Willing to Refer
3.0
NPS
"It might be helpful for SaaS
Digital Marketing for Software Dev Company
Digital StrategyOther Digital MarketingSocial Media Marketing
Less than $10,000
Jan. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0
"CallBox is experienced and knowledgeable in the IT service management industry."
May 20, 2022
Sales & Marketing VP, Software Development Company
Anonymous
Verified
Other industries
Sunnyvale, California
51-200 Employees
Online Review
Verified
Callbox has created and implemented a digital marketing campaign — including email and social media marketing — to promote their new product, achieve better results, and save costs.
Callbox's team is experienced in IT service management and software development, allowing them to create an effective digital marketing campaign. Moreover, their team facilitates a smooth workflow between both parties.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Marketing sourcing needs
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox, and what were your goals?
We are launching a new product and need to outsourcing our marketing champing to 3rd party in delivering a better result with cost saving.
SOLUTION
How did you select this vendor and what were the deciding factors?
CallBox is experienced and knowledgeable in the IT service management industry.
Describe the scope of work in detail, including the project steps, key deliverables, and marking tools used.
email marketing, social media marketing, sales appointment booking, & etc.
How many resources from the vendor's team worked with you, and what were their positions?
a team of five, includes customer succeed manager, operation manager, plaint manager, so on and so forth
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
N/A
How effective was the workflow between your team and theirs?
very effective
What did you find most impressive or unique about this company?
they are experienced and knowledgeable in ITSM as well as Software development
Are there any areas for improvement or something they could have done differently?
N/A
RATINGS
5.0
Quality
5.0
Service & Deliverables
"they are GOOD!!!"
Schedule
5.0
On time / deadlines
Cost
4.5
Value / within estimates
Willing to Refer
5.0
NPS
Lead Generation for Financial Service Company
Content MarketingOther Digital MarketingPay Per ClickSearch Engine Optimization
$10,000 to $49,999
Apr. 2022 - Ongoing
4.5
Quality
4.5
Schedule
5.0
Cost
4.5
Willing to Refer
4.5
"They have a very effective, structured, and efficient process."
May 11, 2022
CEO, QualiFi
Edward DeAngelis
Verified
Financial services
Broomall, Pennsylvania
11-50 Employees
Online Review
Verified
Callbox was hired to provide lead generation services for a financial service company on phone, & social media, and email marketing. The partners are currently on a 6-month engagement.
The Digital Panda’s team is highly adaptable and invested in a long-term, ongoing relationship. They are able to easily adapt to the chosen team and industry lingo quickly. The client is most impressed by their multi-channel approach, which added strong value into the client's business.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Finance brokerage & CEO
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox?
Lead generation services
SOLUTION
How did you select this vendor and what were the deciding factors?
From a partner friend of mine (Lender)
Describe the project in detail and walk through the stages of the project.
Callbox is providing lead generation services for us using phone, & social media and emailing (multi channel approach) We engaged them over a 6 month term. They re very professional, organized and working very hard to make this campaign a success
How many resources from the vendor's team worked with you, and what were their positions?
3 on the team, one manager and 2 team members
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
We have recently started to receive good lead flow. Its early on so far but we expect this campaign to do we well for us
How effective was the workflow between your team and theirs?
They have a very effective, structured, and efficient process.
What did you find most impressive or unique about this company?
The multi channel approach of email, calling and social media is a strong value add.
Are there any areas for improvement or something they could have done differently?
They are adjusting to learning our preferred clients ands industry lingo well and adapting quickly
RATINGS
4.5
"good comapny, committed to our campaigns success"
Quality
4.5
Service & Deliverables
"very detailed and organize"
Schedule
5.0
On time / deadlines
"spot on and structured"
Cost
4.5
Value / within estimates
"Cost is reasonable to $5,000"
Willing to Refer
4.5
NPS
"likely
Appointment Scheduling Services for Advertising Agency
Advertising
$10,000 to $49,999
Jan. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"We have meetings as needed and all follow up via email is terrific."
May 9, 2022
CEO, Madison Media Works
Sean Driscoll
Verified
Advertising & marketing
Knoxville, Tennessee
11-50 Employees
Online Review
Verified
Callbox sets up appointments between an advertising agency's staff and potential customers. They've followed up a series of training meetings with customer outreach via social media, email, and phone calls.
The partnership's results are propriety knowledge, but the client has renewed their contract twice with Callbox, which speaks to the positive results of the engagement. The partners have meetings as needed, and Callbox responds quickly via email. Callbox truly cares about the client's business.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I an the CEO of an advertising agency. We work with CallBox on appointment setting for our client
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox?
We need to reach out to hard to contact potential clients (lawyers) and set appointments for our professional staff
SOLUTION
How did you select this vendor?
We looked at alternatives. They were the best
Describe the scope of their work in detail.
After a series of training meetings, they follow up with calling./emailing./reaching via social with attorneys
What was the team composition?
We work directly with a senior manager, and a project director
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
Results are proprietary but will say we have renewed the contact twice/
How effective was the workflow between your team and theirs?
We have meetings as needed and all follow up via email is terrific.
What did you find most impressive about this company?
Their caring attitude about our Busienss.
Is there any area for improvement or anything that could have been done differently?
None that jumps to mind.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Lead Generation for IT Services Company
AdvertisingBusiness Consulting
Less than $10,000
Apr. 2022 - Ongoing
3.5
Quality
4.0
Schedule
4.5
Cost
3.0
Willing to Refer
3.0
"Their attentiveness and responsiveness have been great."
May 3, 2022
Marketing Manager, IT Services Company
Anonymous
Verified
Other industries
Milwaukee, Wisconsin
11-50 Employees
Online Review
Verified
Callbox is an IT services company’s lead generation partner.
Callbox’s work has been praised by the client. They are attentive and responsive, resulting in a positive partnership. Their commitment to the client’s needs is impressive.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I'm the marketing manager for a managed secure private cloud service that partners with Software companies to deliver a SaaS version of their product for their customers.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox?
We have been engaging with Callbox as we evaluate their Lead Generation Services.
SOLUTION
How did you select this vendor?
We found quite a few companies online and read past reviews then scheduled a call for more information.
Describe the scope of their work in detail.
They have provided a couple custom quotes built around lead generation for our company.
What was the team composition?
I have worked closely with an account rep to review the quotes and familiarize ourselves with their product.
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
We have yet to commit to a formal engagement with the Callbox team.
How effective was the workflow between your team and theirs?
Their attentiveness and responsiveness have been great and not overbearing.
What did you find most impressive about this company?
The ability to quickly turnaround a quote on our behalf.
Is there any area for improvement or anything that could have been done differently?
Not at this time.
RATINGS
3.5
Quality
4.0
Service & Deliverables
Schedule
4.5
On time / deadlines
Cost
3.0
Value / within estimates
Willing to Refer
3.0
NPS
Lead Generation for Payroll Service Bureau
AdvertisingBusiness Consulting
Less than $10,000
May 2022 - May 2023
5.0
Quality
5.0
Schedule
5.0
Cost
3.0
Willing to Refer
5.0
"Callbox is potentially a great fit for our future growth aspirations."
May 2, 2022
Founder, NU Energy Payroll HR
Anonymous
Verified
Business services
Houston, Texas
1-10 Employees
Online Review
Verified
Callbox provides lead generation services to help a payroll service bureau grow and scale their business.
The knowledgeable team at Callbox has provided the client with an excellent overall description of their proposal. Both teams have a great workflow, allowing them to work seamlessly together.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am Founder of my payroll service bureau. We provide payroll, HR, tax, and benefits to small and mid-id-sized organizations
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Callbox?
Our company is wanting to grow and scale our business. We are outsourcers and therefore Callbox is potentially a great fit for our future growth aspirations.
SOLUTION
How did you select this firm and what were the deciding factors?
We currently subscribe to a lead generation service however the yield is less than desirable
Describe the project in detail and walk through their service package.
Lead generation
How many resources from the vendor's team worked with you, and what were their positions?
1
RESULTS & FEEDBACK
Can you share any outcomes from the engagement that demonstrate progress or success?
overall description of the proposal is excellent
How effective was the workflow between your team and theirs?
great
What did you find most impressive or unique about this company?
knowledge
Are there any areas for improvement or something they could have done differently?
no
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
3.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 81-90 of
119 Reviews
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