Callbox
Callbox is a B2B lead generation and appointment setting company headquartered in Encino, California, founded in 2004, with more than 700 full-time staff across six offices in the US, Australia, Singapore, Malaysia, Colombia and the Philippines. It runs multichannel outbound campaigns, account-based marketing, event marketing and outsourced SDR teams, and says it has served more than 15,000 companies in over 60 countries. Its site lists Clutch's Top Lead Generation Company 2026, a G2 Grid Leader placement and a HubSpot Gold badge. Nobody pays to be ranked.
Why it’s hereTwenty years of operation and 128 Clutch reviews, at a headcount that ranks it among the largest US-headquartered appointment-setting firms. Number 2 of the lead generation companies in the US.
Who leads itRom Agustin, CEO.
- Estimated $16,000 to $32,000 per month per campaign pod (one dedicated SDR plus multichannel outreach), per its pricing page; exact quotes after consultation.
A fit forB2B companies that want an outsourced SDR team running calls, email and other outreach to book meetings, from a firm founded in 2004 with 700+ staff across six offices.
- Based in
- Encino, CA
- Founded
- 2004
- Team size
- 500+ people
- Led by
- Rom Agustin, CEO
- Known for
- B2B lead generation · appointment setting · account-based marketing · outsourced SDR teams · event and webinar marketing
- Named clients
- Google, AWS, SAP, Microsoft, LinkedIn, Intel, HP, DHL, Fortinet
- Best for
- B2B companies that want an outsourced SDR team running calls, email and other outreach to book meetings, from a firm founded in 2004 with 700+ staff across six offices.
- Recognition
- Published pricing
- Estimated $16,000 to $32,000 per month per campaign pod (one dedicated SDR plus multichannel outreach), per its pricing page; exact quotes after consultation.
- Office
- +1 888 810 7464

Sources callboxinc.com, clutch.co · LinkedIn ↗
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