B2B Sales Growth Partner
For over two decades, global enterprises have trusted Callbox to accelerate revenue, break into new markets, launch products, and shorten time-to-market with precision-driven lead generation strategies.
Trusted by Industry Leaders Worldwide
From Fortune 500 giants to scaling innovators, organizations rely on Callbox for world-class outsourced sales and marketing support.
Achieved 120% boost in new business revenue
Halved time-to-close with optimized outreach
Generated $50M in additional annual revenue
Secured 1,000+ high-value accounts
Find out why B2B companies trust Callbox
Global Reach, Local Expertise
Connect with decision-makers across North America, APAC, LATAM, and EMEA with tailored lead generation campaigns.
North America
10,000+ campaigns executed in diverse industries
Asia-Pacific
Strong presence in Singapore, Australia, and Asia
Latin America
Over $100M in client revenue delivered
EMEA
Driving growth for Europe’s leading B2B brands
Your Gateway to Quality Leads
Businesses in 60+ countries count on Callbox for tailored sales growth solutions.
Proof of Success Across Industries
Explore how companies from diverse sectors have transformed their pipelines with Callbox’s proven lead generation solutions.
Recognized as a Global Leader in B2B Lead Generation
Our client-centric philosophy has earned us recognition across the B2B sales and marketing industry.
Our team is ready to address all your queries and help you discover how Callbox can accelerate your growth.
We ensure your business always has new opportunities lined up. Acting as an extension of your sales team, we manage thousands of outreach touchpoints daily. This allows your reps to focus on closing deals while we deliver a steady flow of qualified prospects—essentially giving you a specialized team dedicated to finding buyers ready to engage with your brand.
Our success is measured by yours. Whether your goals are to expand your sales pipeline, maximize ROI, or improve conversion rates, we tailor our approach accordingly. By handling the heavy lifting in outreach, we help your team spend more time closing. Industry leaders like Google and AWS trust us because we continuously refine our strategies to drive measurable, impactful outcomes.
We work on a subscription model designed for scalability and value. Each plan includes access to advanced AI-powered tools, a rich B2B database, and a team of experts dedicated to your campaigns. Instead of paying for one-off leads, you invest in a complete lead generation system built on 20+ years of proven experience—delivering consistent, long-term results.
Outsourcing to Callbox means cutting complexity and costs without sacrificing results. Building the same capability internally requires significant time, tools, and expertise. With us, you get instant access to a full suite of sales and marketing resources, backed by decades of experience, ensuring a reliable stream of qualified leads while freeing your team to focus on closing and growth.
About Us
Founded in 2004, Callbox is the largest provider of outsourced B2B marketing and sales support services for businesses worldwide. We leverage human + AI-powered strategies to help you close more deals.
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