Outbound & lead-gen agencies

Callbox

Callbox is a global B2B lead generation agency describing its approach as 'Human + AI' powered, citing 20+ years of experience, 15,000+ companies served, 10,000+ campaigns run, and reach across 60+ countries. Its listed services span B2B lead generation, appointment setting, account-based marketing, event and webinar marketing, outsourced SDR teams, and cross-border lead generation across APAC, EMEA, LATAM, and North America. The site states outcomes such as 3x average pipeline growth within 90 days and a 40% reduction in sales cycle length.

Global (US operations)

What they do

Appointment settingAccount-based marketingOutsourced SDR teamsCross-border lead genMulti-channel outreach (phone, email, LinkedIn)

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