We’re here to help your UK business grow
Callbox delivers quality leads to B2B companies across the UK and worldwide. Whether you’re a medium-sized business or a Fortune 500 firm, we use multi-channel, data-driven strategies to engage your target market and drive sales growth.
Who we are
For over 20 years, Callbox has established itself as a leading provider of B2B lead generation and appointment-setting services. We specialise in connecting UK companies with high-quality prospects across a range of industries, helping them unlock new market opportunities. Headquartered in Encino, CA, with a global reach, we partner with businesses worldwide—including the UK—to scale growth through targeted lead generation and multi-channel marketing solutions.
To become the most trusted partner
At Callbox, our mission is to create meaningful connections that fuel our clients’ growth by providing high-quality, data-driven lead generation and marketing solutions. We aim to be the UK’s go-to partner for innovative, client-focused strategies that empower businesses to reach new heights and achieve sustainable success.
The Callbox Impact
About You
Enough about us — let’s talk about what really matters: your UK business and its growth.
You’re a business leader, marketer, or sales professional who knows that growth doesn’t happen by chance. You need a partner who can take on the challenging, time-consuming aspects of lead generation so you can focus on what you do best—building relationships, driving strategy, and closing deals.
You’re here because growing your business is your top priority. You want a proven, data-driven approach to reach the right UK prospects and unlock new opportunities — all with the confidence that your lead generation is being handled by experts.
Callbox Leadership
Get to know the leaders who drive Callbox
Callbox in Brief
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Founded 2004 - Business Outsourcing Sales and Marketing
- Clients Served 15,000+
- Leads Delivered 1.3M+
- Countries Operated 60+
Stay Connected with Callbox
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Callbox FAQs
Frequently Asked Questions
Get quick answers to common questions about Callbox and how we drive enterprise sales growth. Need more details? Reach out via chat or shoot us a message.
Callbox is a global B2B lead generation and sales development company that helps businesses grow their pipeline through AI-powered, human-guided multi-channel outreach. Unlike most agencies, we combine voice, email, LinkedIn, web, and content to reach decision-makers across all funnel stages.
We build targeted contact lists, create personalized messaging, and run multichannel outreach campaigns via phone, email, LinkedIn, and retargeting. Our proprietary Smart Engage platform uses AI and CRM integration to drive precision and scale in prospecting.
Each client gets a dedicated team that includes a Client Success Manager, SDRs, Data Analysts, and Content Specialists. We act as a full-service extension of your marketing and sales team.
Callbox serves a wide range of industries—including tech, SaaS, healthcare, finance, manufacturing, logistics, and more. We tailor each program based on your industry’s unique buying cycle and decision-making process.
We combine human expertise with AI-powered tools, multilingual outreach, and a truly global reach. Our strategies go beyond email or phone—they include LinkedIn, retargeting, content, and webinars for a full-funnel approach.
Callbox is headquartered in Encino, California, and operates globally with teams across North America, LATAM, EMEA, and APAC. We deliver region-specific campaigns in over 15 languages.
Our process includes advanced data enrichment, ideal customer profile (ICP) matching, and multi-touch validation. Every lead is verified by both AI systems and real humans to ensure it’s a genuine sales opportunity.
English (United States)
English (Singapore)
English (Australia)
English (UK)
Spanish
Portuguese