When it matters, customers choose Colt.

Colt provides a range of business-to-business information and communication services across Network, Voice, Data centre and Managed Cloud Services. They provide industry-relevant solutions to thousands of customers ranging from large multinational companies to midsized businesses. They also serve wholesale customers such as carriers, and indirectly service SME customers through channel partners. Their consistent, reliable services leave these businesses free to focus on their priorities.



From simple broadband access to complex managed networking solutions  to support businesses and wholesale carriers across Europe, Asia and the U.S. Colt operates in 28 countries globally with direct fibre connections into more than  22,000 buildings worldwide.




Reliable and affordable voice services to businesses worldwide. Colt can provide traditional telephone services or help customers transition from traditional telephony to the increasingly popular Voice over IP services.



 Data Centre

Colt Data Centre Services offer colocation and value added data centre services in secure, carrier neutral facilities across Europe  and Asia. Colt provide flexible, integrated and scalable data centre solutions which reduce risk and help manage evolving business needs.


The Colt Network

Colt’s highly available and secure network has breadth and depth across 3 continents, allowing us to support the technology and communication services on which our customer’s business depends. Colt are present in 28 countries in Europe, Asia plus the US and have agreements with providers in others so we can ensure total European coverage.












The expanding, state of the art network seamlessly connects 49 metropolitan area networks, 200+ cities and over 24,158 buildings. Customers of all sizes across various business sectors benefit from the services that the Colt network supports with the industry’s highest standards in performance, latency and security.


Connected Cities Worldwide



Direct Connected Buildings



Managed Data Centres Globally



Km's of Fibre in the ground




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Always Evolving

The network is continually growing and evolving. The scale, coverage and capability of a supplier’s network are key factors when looking to consolidate market share or move into new territories. The Colt network offers customers a single view of service activity and performance as well as a consistent user experience across geographies including 24/7 operational management. The advanced infrastructure means our customers benefit from flexible, responsive and reliable services day in, day out. The stringent service level agreements (SLAs) for on-net customers are one of the most demanding in the industry. Colt are expanding the network and also have Off-Net initiatives designed to  improve upon both the footprint and the services.




Data Centre Facilities

Colt own 34 data centres across Europe and manage a further 7 in the Asia-Pacific region. They are fully integrated into the Colt network, are continuously monitored and employ the latest technology to deliver cutting edge performance.

For many of our customers, Colt are their single, dedicated supplier of Data, Voice and Managed Services right across Europe and Asia. Using the Colt network to deliver business grade services ensures our customers always receive the security and reliability they need to succeed in a fast moving marketplace.




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Don’t just take our word for it – Hear what Colt customers have to say!


Interactive speech recognition lets Panini customers play and win Panini is the world leader in self-adhesive stickers and trading cards. The Panini Group as a whole publishes around 400 stickers and trading card collections per year, including the popular football albums.…

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Masergy is the largest independent cloud network provider in the world, offering managed security, cloud networking and unified communications. Masergy turned to Colt when they needed to grow their UCaaS solution offering in Western Europe. By partnering with Colt for…

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Seamless transmission of digital content at one of the world’s largest film festivals The Berlin International Film Festival (aka Berlinale) is one of the world’s largest film festivals with over 300,000 paying festival-goers. On the ten days of the festival,…

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InterCall leads the market as conferencing takes off worldwide   InterCall is the largest conference and collaborations service provider worldwide, and a leading provider of global cloud-based unified communications services. Our connectivity, dial-in numbers and Data Centre Services help InterCall…

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Byelex Multimedia Products specialise in developing ahead-of the curve SaaS based software solutions.   Byelex Multimedia Products specialise in developing ahead-of the curve software solutions for international customers provided on a SaaS basis. They chose Colt because they needed to…

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Gallina Blanca Star

Colt set up Gallina Blanca Star with a scalable and adaptable central IT environment. Gallina Blanca Star specialises in the production and sale of culinary products to the consumer and food service markets. They wanted technology solutions to help them…

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