About Us

C4L has been providing bandwidth and colocation solutions across the UK since its establishment in 2000.

Our client base includes 100s of companies with from Blue Chip to private SME's. With firms relying on our network including government and FTSE 250 companies. With have a proven track record for providing cost effective bandwidth with high Service Level Agreements (SLAs), C4L has positioned itself as a major player in UK bandwidth connectivity and colocation market over the years and has expanded to one of the UK's largest data centre connected footprints.

Through our buying power of 100s of racks and multiple Gigabits of connectivity, we provide substantial savings over going direct to suppliers. We have already done the research on your behalf and have portfolio of data centres and connectivity solutions across the UK and Europe.

C4L has invested over £1m in buidling its London network and is investing over £5m in 2008 in expanding its colocation services.

We aim to provide our customers with the complete solution for their requirements. Rather than the typical model of working with a datacentre, multiple providers, high overheads and maintenance which you normally require for a high level of redundancy and interconnectivity. We provide a one stop solution for your colocation, connectivity, backups and more.

We have researched all the sites and solutions and have a key knowledge of the correct data centres and connectivity solutions for each requirement. We work closely with you to establish your exact requirements and fulfil your needs.

With just one simple contact and one account manager, we can manage all of your services for you, including IP Transit, Colocation, Leased Lines, VoIP, Backups and many more services.

We embrace new technologies as they become available to enable you to benefit from the latest ideas to improve your business.

Joining Connexions4London

Upon joining C4L, you will see why we have so many satisfied customers. We work very hard at making sure we have one of the most reliable networks available in the UK. You will also have the ability to distribute your own network/equipment across our multiple colocation sites.

• Professional ticket tracking system of all your requests and issues
• Customised network design and implementation
• Dedicated Account Manager
• 24/7 Support Numbers, 365 days a year
• 100% Network Uptime through multiple ports
• 99.95% Network Service Level Agreement
• Distributed Network Design and Multiple Provider Connectivity
• Distributed Colocation Services
• One of the UK's largest private networks

Network Growth and Stability

Our network has expanded through growth of customer base, enabling us to remove the risk and debt that many other ISPs have experienced. C4L now provides transit directly to over 15 UK datacenters, making C4L one of the UK’s largest direct multihomed transit providers.

Below are just some of the events and companies that have relyed on our network:

• BBC Music downloads
• Panasonic Mobile downloads
• Live 8
• Channel 4
• Sony BMG
• Information TV
• Classic FM
• AEG
• Premier League

If you further information, please contact one of our sales team now on on Freephone 08000 470 481, fill in the contact us form or email us at and a colocation consultant will get back to you as soon as possible.