Callbox
Demand Gen / Outbound & Lead GenLead generation and appointment setting agency serving B2B companies across industries.
“Callbox is a global lead generation agency and appointment setting expert. Our multi-channel engine delivers 25% faster funnel growth.”
AS DESCRIBED ON ITS WEBSITEAS PUBLISHED BY THE FIRM AND ITS PUBLIC PROFILES · FULL DATA SHEET
Visit website ↗Summary
Callbox is an outbound & lead gen agency in The Wall's Demand Gen index, based in Encino, CA, US. Executives can review its capabilities, published engagement data, and start contact directly through its website at callboxinc.com.
Key facts about Callbox: operating since 2004; team of 1,000 - 9,999; rated 4.6 out of 5 across 128 Clutch reviews.
About Callbox
Callbox is an outbound & lead gen agency in the Demand Gen section of The Wall, based in Encino, CA, US. Lead generation and appointment setting agency serving B2B companies across industries.
Published figures put Callbox at operating since 2004, a team of 1,000 - 9,999.
Quick facts
- FOCUS
- Demand Gen · Outbound & Lead Gen
- DECLARED
- clutch · hubspot
Where Callbox sits in the index
- Team size 1,000 - 9,999: shared by 2 of the 32 Demand Gen firms that publish one; 0% publish a higher band.
- Founded 2004: older than 81% of the 32 Demand Gen firms that publish a founding year.
Computed from The Wall's 3,460 listings at build time. Shares, not rankings.
Reviews on record
“Callbox's efforts resulted in improved communication and engagement rates with targeted prospects. The team was flexible and accommodated changes in the project scope. Moreover, they were proactive, timely, and committed to providing high-quality service.”
CLUTCH REVIEW · Sales Outsourcing · Jan 9, 2025
“Thanks to Callbox, the client has been able to consistently hold meetings with potential clients on a weekly basis. The team is timely, organized, and great at pivoting as needed. Moreover, internal stakeholders have praised the team's sales skills, which are effective but not pushy.”
CLUTCH REVIEW · Sales Outsourcing · Aug 21, 2026
“Callbox has delivered a consistent flow of new business leads and opportunities, a steady pipeline for the client's sales team, and a regular cadence of blog content. The team has been responsive, easy to reach, and delivers on schedule. Callbox has strengthened the client's organic search presence.”
CLUTCH REVIEW · Content Marketing, Demand Generation Marketing, Search Engine Optimization · Aug 21, 2026
Ratings as published on Clutch. The Wall collects no reviews of its own.
Web footprint
Callbox publishes 10 case studies on its site and names Google, AWS, SAP, Microsoft, LinkedIn, Intel, HP, DHL among its clients.
Traffic and keyword figures are DataForSEO estimates for US Google; the stack is read from the live site.
On the record
- LINKEDIN SPECIALTIES
- Sales and Marketing, Digital Marketing, Telemarketing, Sales Support, Lead Generation, Database Services, Event Marketing, Account-Based Marketing, Telesales, Lead Management, Multichannel Marketing, Sales Enablement
Questions people ask about Callbox
Q.01Where does Callbox rank among lead generation companies?
Callbox's rank among lead generation firms is not published. Buyers can compare firms on reviews, named clients, and case studies. Callbox holds a 4.6 of 5 rating from 128 reviews on Clutch and lists 10 case studies on its site.
Q.02Can ChatGPT do the lead generation Callbox provides?
Buyers can test any vendor by requesting a pilot list and measuring response and meeting rates against their own targets. A Clutch reviewer says Callbox's efforts improved communication and engagement rates with targeted prospects.
Q.03What types of leads does Callbox generate?
Lead definitions vary by firm, so ask Callbox for written definitions of each lead stage and the criteria that separate a lead from a booked meeting. Its LinkedIn specialties include lead generation, lead management, and account-based marketing.
Q.04Is the lead generation Callbox does legal?
Legality depends on the channel, the prospect's location, and the consent rules that apply, so ask any outreach vendor how it sources contacts. Callbox lists telemarketing and database services among its LinkedIn specialties, so ask how it sources contact data for each campaign.
Data sheet
- DOMAIN
- callboxinc.com
- CATEGORY
- DEMAND GEN
- SPECIALTY
- OUTBOUND & LEAD GEN
- TYPE
- MARKETING AGENCY
- SOLVES
- PIPELINE VELOCITY AND LEAD FLOW
- TYPICAL BUYER
- CMO / VP DEMAND GEN
- CLIENT FIT
- $5M-$50M+
- FOUNDED
- 2004
- TEAM SIZE
- 1,000 - 9,999
- CLUTCH RATING
- 4.6/5 · 128 reviews
- STATUS
- LISTED
- PERMALINK
- /c/callboxinc.com.html
Also in Outbound & Lead Gen
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