Callbox
callboxinc.com · Encino, CA, USA
high
This is an evidence record, not a review. Every field below is either verified against the listed sources or explicitly marked as the provider’s own claim. This profile is free; payment never changes a fact on it.
Category
SDR & outbound agencies — multi-channel B2B lead generation with human + voice-AI SDR pairing (Smart Engage AI platform)
PRIMARY SOURCE
Services
B2B lead generation, appointment setting, outsourced SDR teams, ABM, event/webinar marketing, cross-border lead gen; AI waterfall enrichment, 1:1 personalization at scale
PRIMARY SOURCE
Pricing
subscription-based, custom — no figures on own site; ZoomInfo Pipeline listicle: $15,000–$30,000/mo per Campaign Pod (dedicated SDR + campaign manager + data + reporting) (third-party)
PRIMARY SOURCE
Founded
2004
PRIMARY SOURCE
Team signal
~525 employees (third-party, 2026); 500–1,000 range per directories
PRIMARY SOURCE
Named clients
Google · AWS · SAP · Microsoft · LinkedIn · Intel · HP · DHL (homepage logos; '15K+ companies served')
PROVIDER REPORTED
Case-study claims
- '3x average pipeline growth within 90 days of launch'
- '40% reduction in sales cycle length'
PROVIDER REPORTEDnumbers are the provider’s own; not independently verified
Source register
All sources accessed 2026-08-31. Spot an error? Submit a correction — reviewed by a human, logged publicly.
- https://www.callboxinc.com/ (accessed 2026-08-31)
- https://www.callboxinc.com/faqs/where-located/ (accessed 2026-08-31)
- https://pipeline.zoominfo.com/sales/outsourced-sdr-companies (accessed 2026-08-31)