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Top B2B Lead Generation Agency Worldwide

Callbox helps businesses connect with high-value prospects who are actively seeking solutions. More than just a traditional lead generation agency, we offer a subscription-based service where your team collaborates with ours to build and execute a data-driven sales outreach strategy.
How It Works:

  • Data-Driven Prospecting – We work with you to gather and analyze relevant data, creating a hyper-focused list of ideal prospects.
  • Targeted Content Creation – Our team crafts compelling content that resonates with your specific audiences.
  • Multi-Channel Execution – As a premier lead generation company, we use a mix of human expertise and AI-driven automation to engage prospects via phone, email, LinkedIn, and more.
  • Scalable Growth – We function as an extension of your marketing and sales teams, continuously refining strategies to optimize conversions.

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.

Industry leaders like Salesforce, AWS, and Google trust Callbox to drive consistent pipeline growth.
Ready to transform your lead generation?

Let’s build your strategy today.

United States United States
4924 Balboa Blvd. #353, Los Angeles, California 91316
18888107464
NA
1,000 - 9,999
2004

Why Callbox?

  • High-intent leads from data-driven lists.
  • Proven multi-touch strategy boosts ROI.
  • Trusted by tech giants like Google and AWS.

Service Focus

Focus of BPO Services
  • Customer Service - 50%
  • Lead Generation - 50%

Industry Focus

  • Information Technology - 50%
  • Business Services - 10%
  • Healthcare & Medical - 10%
  • Advertising & Marketing - 5%
  • Financial & Payments - 5%
  • Telecommunication - 5%
  • Manufacturing - 5%
  • Retail - 5%
  • Other Industries - 5%

Client Focus

45% Large Business
40% Medium Business
15% Small Business

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Client Portfolio of Callbox

Project Industry

  • Information Technology - 66.7%
  • Other Industries - 33.3%

Major Industry Focus

Information Technology

Project Cost

  • Not Disclosed - 100.0%

Common Project Cost

Not Disclosed

Project Timeline

  • Not Disclosed - 100.0%

Project Timeline

Not Disclosed

Clients: 15

  • Google
  • Salesforce
  • Amazon Web Services
  • Fujitsu
  • Fortinet
  • Atlassian
  • SAP Concur
  • HP
  • Zendesk
  • Intel
  • Telefonica
  • AMD
  • NEC
  • Microsoft
  • AWS

Portfolios: 3

ABM Campaign Twinned Success for Big Data & Analytics Leader

ABM Campaign Twinned Success for Big Data & Analytics Leader

  • ABM Campaign Twinned Success for Big Data & Analytics Leader screenshot 1
Not Disclosed
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Information Technology

A global leader in Big Data and Advanced Analytics required a sophisticated Account-Based Marketing (ABM) strategy to overcome pandemic-related market disruptions. As their lead generation agency, Callbox executed a multi-channel campaign across 180 countries, targeting high-level Compliance and Risk officers. We integrated Appointment Setting with Webinar Marketing to identify intent and nurture long-term enterprise relationships in sectors like Oil & Gas, Finance, and Pharmaceuticals.

Key Results:

  • 155 High-Value Sales Appointments secured.

  • 5 Major Enterprise Closes within the campaign period.

  • 17 Qualified Webinar RSVPs from C-suite decision-makers.

Web App
ERP Software Firm Builds a Full GTM Team with Callbox Staff Augmentation

ERP Software Firm Builds a Full GTM Team with Callbox Staff Augmentation

  • ERP Software Firm Builds a Full GTM Team with Callbox Staff Augmentation screenshot 1
Not Disclosed
Not Disclosed
Other Industries

A Los Angeles-based ERP provider lacked the internal capacity to manage a critical Go-To-Market (GTM) push ahead of a major industry trade show. Callbox implemented a Co-managed Staff Augmentation model, deploying dedicated SDRs to act as the client's primary outreach arm. We targeted C-suite and IT directors across Manufacturing, Healthcare, and Retail sectors to secure high-value booth meetings and sales consultations.

Key Results:

  • 310 Booth Meetings booked for the trade show.

  • 78 Sales Qualified Leads (SQLs) generated.

  • 1,240 New LinkedIn connections established with target decision-makers.

Web App
MSP Lead Generation Case Study: 150 SMB Clients in 90 Days

MSP Lead Generation Case Study: 150 SMB Clients in 90 Days

  • MSP Lead Generation Case Study: 150 SMB Clients in 90 Days screenshot 1
Not Disclosed
Not Disclosed
Information Technology

The Client

The Client is a U.S.-based managed services provider offering IT support, cybersecurity, cloud, and data protection solutions. With over 500 employees, they serve businesses of all sizes, with tailored packages designed specifically for SMBs.

The Challenge

Although the Client was a nationally recognised MSP with a solid track record, they faced challenges scaling their SMB customer base quickly. Their in-house team was focused on servicing existing clients, leaving little bandwidth for a large-scale outbound push.

They needed a partner who could help them execute a short-term, hyper-focused program to capture SMB market share in key U.S. regions and fill their pipeline with sales-ready opportunities.

Web App