B2B Lead Generation Services Company

Win new clients, without the lead generation

Skip the legwork of generating qualified leads, sales appointments or attendees, and go straight to closing deals. Callbox uncovers the best sales opportunities so you don’t have to.

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B2B Lead Generation Services and Sales Development

Top B2B lead generation and sales outsourcing provider

Callbox is trusted by enterprise and scaling businesses in the USA, Canada, Singapore, Australia, Latin America, and throughout the world for lead generation, sales appointment setting, and outbound sales development.

Account-based Multi-channel Marketing Approach

Account-based Multi-channel Marketing Approach

Reach your ideal prospects at the right time

Our lead generation process follows an account-based multi-channel marketing approach. This involves making personalized and timely connections with all relevant contacts that drive the purchase process—from executives to CxOs.

Global B2B Sales Data and Insights

Global B2B Sales Data and Insights

Access a whole new set of customers, globally

We build your target list from our global B2B database and run a research and direct outreach campaign to qualify, nurture and deliver high-quality leads–complete with accurate sales intel and market research data so your sellers can drive new business effectively.

Lead Generation Tools and Expertise

Lead Generation Tools and Expertise

Work with the best sales tools and marketing expertise

Get specialized support and expertise from a team of experienced professionals and empower your organization with world-class sales and marketing tech. We leverage the power of automation while maintaining the human connection that prospects prefer.

Global Lead Generation and Marketing

Grow your domestic efforts, expand to numerous territories, or focus on one location

Callbox helps organizations target the world's top B2B markets with our global sales data, regional experience, and multilingual capabilities.

USA and Canada

With over 25M businesses, North America provides excellent opportunities for growing your business and we have the track record in the region to help you scale.


A hub for countries like Singapore, Australia, New Zealand, Japan, South Korea, etc., APAC offers great opportunities for B2B businesses and Callbox is the region's leading lead generation firm.

Latin America

Latin America's shifting economies offer large-scale potential for multinational players. With our local presence, we help businesses tap into one of the world's most dynamic areas.

Europe and others

Europe and other emerging markets is a great hotspot for companies looking to expand globally and Callbox has the resources in place–multilingual support, regional experience, and extensive expertise.

Callbox Reviews

Industry voices share their Callbox experience

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Callbox Lead Generation Success Stories

Callbox Backed Up Market Launch for Software Recovery Firm, Resulting in a 2-Year Partnership

The Client is an IT leader in Tampa, Florida, providing innovative solutions to help companies adapt to the fluid nature of IT infrastructure.

415 Sales Appointments
112 MQLs
167 Social Media Connections

Callbox Clients

20k+ Lead Generation Campaigns

Top and emerging brands from major and niche industries such as Tech, Software, Marketing and Advertising, Manufacturing, etc. grow their business further with Callbox.


Featured Event

People, Process & Platform: The 3 Ps to Future-proof your Revenue Growth and Expansion Strategy

@JustCo, 120 Robinson Road

In this masterclass, Callbox collaborates with HubSpot and industry partners to deliver the latest insights and actionable tips to help you future-proof the way you leverage your people, processes, and platforms.

Get more qualified leads. Book a free consultation.

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  • Get the specifics about our services
    +65 3159 1112
    +61 (02) 9037-2248
    +60 (3) 9212-5776
    +64 9914 3122
    +852 3678 6708
    +57 601 508 4456
    +44 (207) 442-5066
4924 Balboa Blvd. #353, Encino CA 91316 USA