Top Lead Generation Companies in the UK

Callbox’s lead generation services stand at the forefront. Backed by a team of experts, we craft strategies that resonate within the UK market. Witness the impact of data-driven, tailored lead generation that amplifies your business potential.

Skyrocket Your Pipeline with Qualified B2B Sales Leads Opportunities in the UK and Across Europe.

Illustration of sales funnel

Identify and reach your ideal prospects in United Kingdom

Illustration of connected people

Move prospects closer toward conversion

Illustration of chart going up

Hit your sales target by closing deals faster

Our Expertise

Callbox offers full-service B2B lead generation and sales acceleration solutions that let you discover and connect with potential customers in your target market. We plan and manage integrated campaigns that deliver qualified leads and sales appointments for your in-house team.

Our Strategy

Callbox relies on its proven multi-touch, multi-channel marketing approach to generate results at scale. Multi-channel means we engage your target decision makers by combining phone, email, social, Instant Messaging/SMS and online marketing tactics, while multi-touch ensures that we leverage every contact point to convert a prospect into an opportunity.

We are your lead generation experts in United Kingdom, and we’ve been a marketing partner to companies that need help with their campaigns for over 19 years now, giving us deep domain experience in UK’s major B2B verticals:

Exceed your sales targets.

Callbox is proud to help the world’s most successful brands achieve their sales and marketing goals

Charted Energy has enjoyed a productive relationship with Callbox.They have done a great job of helping us target prospects within the markets we serve as well as qualify leads and set up appointments with decision-makers. Callbox has generally exceeded the number of leads per week we expected and provides a good value by enabling our inside sales team.

— Ted Calvin

Callbox Client - Ted Charted

I have found Callbox to be a relatively inexpensive way to generate leads. I have only been using them for a few months but so far I am getting reach into markets that I would not have the time to develop ourselves. Great for opening up a new vertical.

— Joel Golub

Callbox Client - Ted Charted


Managed IT Firm, a Long-Term Callbox Client, Closes $150K in One Campaign

Vendors selling complex products need technically savvy marketers to engage potential customers. Callbox shared its industry expertise with this managed IT provider, and helped the Client close $150,000 in sales. READ FULL STORY

150K in won deals

90 qualified appointments


Top B2B Lead Generation Services Company

Ranked as One of the Best Sales Lead Generation Services★★★★★

Ranked as One of the Best Sales Lead Generation Services


Best Sales B2B Lead Generation Services★★★★★

Among The Best B2B Lead Generation Services

Unlock the potential of your business with our proven lead generation services in United Kingdom. Book a free consultation today and start seeing results!