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Callbox

168 Reviews
4.4

About Callbox

Callbox is a premier global B2B Lead Generation Agency specializing in sales appointment setting and outsourced sales development. Leveraging two decades of expertise, they help enterprise leaders and scaling businesses across 60+ countries (including North America, APAC, and Europe) to grow revenue and expand markets. Their unique strategy combines Human + AI technology with a Multi-Touch Multi-Channel approach (email, calls, social) to deliver qualified leads and booked meetings. Core services include B2B Lead Generation, Account-based Marketing (ABM), Outsourced SDR Support, and Event Marketing for industries like Software, SaaS, Fintech, and Cybersecurity.

Industries

Healthcare
Finance & Accounting
Media
+1 more

Region

Philippines
United States

Languages

English

Addresses

Core Services

Lead Generation
Core Service
Email Marketing
Core Service
Content Marketing
Core Service
Marketing Strategy
Core Service

Other Services

Customer Support 1
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Inbound & Outbound Call Center

Service Details

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Company Reviews

Total Reviews
168

Last Rated 3/22/2026

Overall Ratings
4.44

Last Rated 3/22/2026

(89)
(61)
(10)
(0)
(7)
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AM

Afia McClenaghan

3 months ago

Google
1.0

Spam. Had a couple calls with them and then informed them our company would not be interested, but i receive constant emails from Vincent with a copy/paste email. This isn't professional and comes across as spam. Take a hint.

LG

Luke Genoyer

4 months ago

Google
3.0

Had two Exploratory Meetings scheduled with a Callbox representative, but they were no-shows (Jan 21 and Feb 3). I waited in the Zoom meeting room, but nobody showed up to let me in. Their service might be fine, too bad I never had the opportunity to even speak with somebody!

AL

Alexander Levit

1 year ago

Clutch
5.0

Lead Generation for 3D Printing Co

"They were able to find the right persona, which was very difficult for us."

A

Anonymous

1 year ago

Clutch
5.0

Lead Generation for PropTech Company

"They are communicative, reliable, and transparent."

SR

Samantha Rutter

1 year ago

Clutch
3.5

Sales Outsourcing for Software Company

"They worked collaboratively with us to understand our business."

A

Anonymous

1 year ago

Clutch
5.0

Lead Generation for IT Services Company

"They're very prompt in responding to emails."

KI

Kenta Iima

1 year ago

Clutch
4.5

Lead Generation for Data Platform & Integration Firm

"They adapted quickly to our requests and ensured our needs were addressed promptly."

AI

Andrew Inkpen

1 year ago

Clutch
5.0

Sales Outsourcing for Software Company

"They over-deliver and meet every area of our goals."

A

Anonymous

1 year ago

Clutch
4.5

Lead Generation for Cybersecurity Solutions Provider

"Callbox's dedication to providing all-around marketing services and their positive, can-do attitude are impressive."

VS

Varun Suneja

1 year ago

Clutch
4.5

Account-Based Marketing & Lead Gen for Diagnostics Co

"Callbox is an organization that is professionally managed and process-oriented."

A

Anonymous

1 year ago

Clutch
5.0

Demand Generation Marketing for IT Consulting & Services Co

"The account manager was competent, and the team in general was good."

A

Anonymous

1 year ago

Clutch
3.0

Lead Generation Services for IT Solutions Provider

"Callbox's customer engagement services were impressive."

A

Anonymous

1 year ago

Clutch
4.5

Sales Outsourcing for IT Company

"They were friendly and professional."

A

Anonymous

1 year ago

Clutch
5.0

Call Center Services for Healthcare Company

"Callbox was very responsive and flexible in their approach."

JM

Jaco Marais

1 year ago

Clutch
4.5

Lead Gen & Appointment-Setting for Security Solutions Co

"Callbox is trusted by top global companies to improve sales cycles, generate high-value leads, and support market growth."

A

Anonymous

1 year ago

Clutch
4.0

Lead Generation for 3D Visualization Software Company

"CallBox had a professional workflow and good execution process."

A

Anonymous

1 year ago

Clutch
4.5

Lead Generation for IT Company

"We're impressed with their professionalism, detail-oriented approach, and timely delivery."

A

Anonymous

1 year ago

Clutch
4.5

Lead Generation for Cybersecurity Company

"Callbox's professionalism, efficiency, and commitment to results truly set them apart."

LS

Lucassen Salim

1 year ago

Clutch
4.5

Lead Gen & Appointment Setting for Financial Services Firm

"We're impressed with their good reporting and responsive teams."

A

Anonymous

1 year ago

Clutch
5.0

SEO, Event Marketing & Sales Outsourcing for MSP

"The results are delivered on activity levels and client meetings."

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