B2B Lead Generation Services Company
20 years of helping global brands dominate new markets, boost sales, and launch products—Callbox is your partner in lead generation success.
Callbox Clients
4 of the 5 largest companies in the world trust Callbox for outsourced sales and marketing solutions.
gains 120% uplift in new business revenue
speeds up sales cycle–2x faster to close deals
generates over $50M total increase in annual revenue
adds 1000+ high-value accounts to its sales pipeline
Find out why B2B companies trust Callbox
Global Lead Generation
Expand your reach and connect with new leads from the world's top B2B markets across North America, Asia-Pacific, Latin America, and EMEA.
North America
10k+ lead gen campaigns across major and niche industries
Asia-Pacific
B2B marketing expertise spanning Singapore, ANZ, and Asia.
Latin America
Over 100M revenue generated for LATAM-focused campaigns.
EMEA
Helping EMEA's leading B2B companies scale and expand.
Top B2B Lead Generation Services
Callbox is trusted by enterprise and scaling businesses in over 60+ countries for lead generation, sales appointment setting, and outbound sales development.
Power your pipeline through end-to-end lead generation services including data enrichment, lead reactivation, and targeted prospecting.
Reach more prospects with our orchestrated multi-channel approach combining email, calls, social, and digital touchpoints.
Leverage our AI-enhanced, human-curated database of B2B sales leads across industries and regions to power your initiatives.
Centralizes lead generation, ensuring efficient transfer of campaign data and leads to our AI-powered, automated services.
Callbox Reviews
Callbox Awards and Recognition
We strive to put our clients first in everything we do, and we're humbled to have received industry-wide recognition for our work.
Get quick answers to the most frequently asked questions about Callbox and how we help companies grow further. Our team is also ready to answer any additional queries, just send us a message or start a chat with us.
We make sure you always have a steady stream of potential customers to talk to. We work as part of your existing team, handling thousands of outreach activities every day. This means your sales team gets a consistent flow of interested prospects without having to do all the outreach themselves. It's like having an extra department whose only job is to find people who might want to buy from you.
We make sure you always have a steady stream of potential customers to talk to. We work as part of your existing team, handling thousands of outreach activities every day. This means your sales team gets a consistent flow of interested prospects without having to do all the outreach themselves. It's like having an extra department whose only job is to find people who might want to buy from you.
We offer a subscription-based service that includes advanced AI tools, high-quality data, and a dedicated expert team. Our pricing is designed to reflect the long-term value we provide, consistently delivering reliable results rather than one-time leads When you work with us, you get access to a complete lead generation system backed by over 20 years of industry experience.
Partnering with Callbox simplifies your lead generation process while reducing costs. Instead of handling it in-house, we offer a full suite of tools, resources, and expert support, backed by over 20 years of industry experience. We ensure a consistent stream of qualified leads, helping you focus on what matters most while minimizing time and resource investment.
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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