Client Success Stories

Real results for real businesses.

Explore how Callbox has helped enterprise B2B companies build qualified pipelines, accelerate sales cycles, and drive measurable revenue growth across 60+ countries.

15K+Companies Served
10K+Campaigns Run
60+Countries
35+Industries

Trusted by global enterprise leaders

How Callbox Built a Sales Pipeline from Scratch for a Voice AI Solutions Provider
Voice AI / Conversational AI TechnologyUnited States (primary); Canada and United Kingdom (secondary)

How Callbox Built a Sales Pipeline from Scratch for a Voice AI Solutions Provider

A Los Angeles-based Voice AI solutions provider had no prospect list and needed a pipeline built from the ground up. Callbox deployed a multi-channel lead generation program that delivered 67 SQLs, 124 MQLs, and 432 LinkedIn connections with key decision-makers in just six months.

67
SQLs
124
MQLs
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Sales Document Management Software Provider Featured
Document Management and Workflow SoftwareUnited States

Callbox Improved the Sales Document Management Software Provider

A Colorado-based document management and workflow software provider needed a structured outreach program to convert a cold prospect list into qualified sales opportunities. Callbox delivered 45 SQLs and 68 MQLs within three months through a targeted, multi-channel appointment setting campaign.

45
SQLs
68
MQLs
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Callbox Converted Dormant Conference List for AI-Native Cybersecurity Firm
Cybersecurity / AI SecurityNorth America

Callbox Converted Dormant Conference List for AI-Native Cybersecurity Firm

After sponsoring a major cybersecurity conference, an AI-native security firm needed to rapidly convert a high-value attendee list into qualified pipeline before the post-event window closed. Callbox deployed a multi-channel appointment setting campaign that delivered 48 SQLs, 162 MQLs, and tripled the pipeline coverage achievable by the client’s internal team.

48
SQLs
162
MQLs
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Callbox Boosts Event Marketing for an AI-Ready Data Centre
Data Centre and Colocation ServicesNorth America (NAM)

Callbox Boosts Event Marketing for an AI-Ready Data Centre

A California-based AI-ready data centre provider needed to maximise pipeline opportunities surrounding a major North American tech event. Callbox executed a targeted multichannel outreach program that converted a 1,400-person attendee list into 234 MQLs, 51 appointments, and 127 booth visitors.

234
MQLs
51
Appointments
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ERP Pipeline for Singapore Software Vendor Case Study
SoftwareSingapore

Callbox Unlocks ERP Pipeline for Singapore Software Vendor

A Singapore-based ERP software vendor replaced a referral-dependent pipeline with a structured, compliance-led outreach program — generating 63 qualified demo appointments and 121 MQLs across Singapore’s SME and mid-market sectors in just six months.

63
SQLs
121
MQLs
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Ai Tech Appointment Setting Case Study featured
AI & Machine LearningNorth America (USA & Canada)

Boosting AI Tech Pipeline with Multi-channel Appointment Setting

Discover how a specialized AI Lab utilised Callbox’s multi-channel outreach to secure 75 SQLs and drive significant attendance for their webinar series.

75
Sales Qualified Leads
174
Marketing Qualified Leads
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OT Security Case Study Featured
CybersecurityAPAC-wide

OT Security Leader Drives APAC Pipeline in 3-Month Programme

An APAC-based industrial automation and OT security provider needed a structured outbound program to reach enterprise manufacturers and critical infrastructure operators across the region. In three months, Callbox delivered 34 Sales Qualified Leads, 72 Marketing Qualified Leads, 41 webinar registrations, and an 8% no-show rate through a targeted, multi-channel ABM program.

34
SQLs
72
MQLs
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Lead Generation for Enterprise Tech Featured
Enterprise TechnologyNorth America (NAM)

Callbox Revives Dormant Pipeline for Enterprise Tech

The Client A leading North American provider specializing in high-scale infrastructure and workflow automation solutions for global enterprises. The Challenge The client’s internal sales team was overwhelmed by manual prospecting, leaving little time for closing. A large database of historical leads had become dormant, requiring systematic re-verification to identify active intent and restore pipeline velocity. […]

38
SQLs
35
MQLs
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Appointment Setting Success for California Manufacturers CS
Specialized ManufacturingNorth America

Driving Enterprise Growth for a Specialized California Manufacturing Firm

A premier California-based manufacturing provider partnered with Callbox to scale their outreach and secure direct meetings with key procurement and operations leaders.

45
SQLs
79
MQLs
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Cybersecurity Lead Generation for a California Tech Firm
Technology / Cybersecurity (SaaS)North America

California Tech Firm Builds Cybersecurity Pipeline from Scratch

A California-based technology company launching a new cybersecurity arm needed an external outreach engine to build pipeline from scratch — across both enterprise buyers and educational institutions — ahead of a major industry convention.

58
SQLs
103
MQLs
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