B2B Lead Generation Services Company in Europe

Callbox helps B2B companies fill their sales pipeline with qualified, engaged prospects.

As a full-service lead generation company, we take on the outreach, research, and engagement activities that fuel your sales process. Our hybrid model combines AI-powered automation and human expertise to identify, nurture, and deliver opportunities that match your ideal customer profile.

You get consistent, conversion-ready leads—without overloading your in-house team.

Because we deliver results that scale.

As a global lead generation services company with over 2 decades of experience, Callbox has powered the growth of brands such as Google, AWS, and Salesforce.

We stand out because we don’t just set appointments—we build long-term systems for predictable pipeline growth, backed by dedicated campaign teams, advanced data operations, and personalized multi-channel strategies.

We use data, not guesswork.

Our process starts with defining your ideal customer profile (ICP) and analyzing your market. From there, our team of data analysts and researchers, supported by AI tools, builds and verifies a list of prospects that match your exact criteria.

Each contact is enriched with real-time insights, including role, intent signals, industry, and tech stack, so your sales team talks only to people who matter.

We connect with your target audience through the channels they actually use. As a multi-channel lead generation agency, we combine outreach across:

• Phone – personalized live conversations with verified decision-makers
• Email – AI-personalized, compliant messaging that drives engagement
• LinkedIn 1:1 social connections and thought-leadership outreach
• Web – retargeting and content syndication for deeper brand recall
• Events pre- and post-event lead engagement to maximize ROI

This integrated approach means better reach, more touchpoints, and higher conversion rates.

Most clients start seeing qualified meetings and active conversations within 60 to 90 days.

But our focus goes beyond short-term appointments. We build a system that drives ongoing pipeline momentum.

Working with Callbox, clients typically experience:

• 3–5x increase in sales-qualified leads
• Ciclos de ventas más cortos y tasas de cierre mejoradas
• Shorter sales cycles and improved close rates

Our results are measurable, transparent, and aligned with your revenue targets.

Building an internal SDR function takes time, tools, and training. Partnering with an experienced lead generation agency like Callbox gives you an instant advantage. Our people, platforms, and processes are already in place.

You get:

• Access to a global team of 700+ specialists
• AI-powered prospecting and analytics
• Compliant data management across multiple regions
• Scalable outreach without the overhead

Outsourcing with Callbox means you focus on closing deals while we handle the top-of-funnel work.

Most likely, yes.

We specialize in helping B2B companies with complex, high-value sales processes, especially in:

• SaaS and Technology
• Cybersecurity and IT Services
• Logistics, Freight, and Supply Chain
• Manufacturing and Industrial
• Professional and Financial Services

As a global lead generation services company, Callbox has delivered results across diverse markets and industries. If you sell to other businesses, we can help you reach the right buyers.

Your partnership starts with a campaign strategy session where we define goals, messaging, and KPIs.

Within weeks, your campaign goes live, backed by your dedicated Callbox team: SDRs, data specialists, marketers, and a Client Success Manager.

You’ll receive real-time reports, pipeline visibility, and regular strategy calls to optimize performance.

We don’t stop at booking meetings. We keep refining campaigns so your pipeline keeps growing.