Callbox - Leading B2B Lead Generation Agency

Callbox is a global B2B lead generation company founded in 2004, with over 20 years of experience helping businesses accelerate revenue through a powerful blend of human expertise and AI-driven technology. Operating from six global offices with a team of 700+ professionals, Callbox has served more than 15,000 companies across 50+ markets in APAC, EMEA, LATAM, and North America. The company offers end-to-end B2B lead generation and appointment setting services, combining AI-enriched prospect data, multi-channel outreach (phone, email, LinkedIn, and digital), and fully managed outsourced SDR teams. Callbox specializes in serving Software, SaaS, Cloud, Cybersecurity, Fintech, AI, Healthcare Tech, ERP/CRM, and Manufacturing verticals, crafting precision campaigns tailored to each industry's buying cycle and decision-maker personas. Its account-based marketing, event marketing, and cross-border lead generation capabilities enable clients to expand into new geographies with localized campaigns. Trusted by three of the five largest companies in the world, Callbox delivers measurable pipeline results, with clients reporting up to 3x pipeline growth within 90 days of launch.