Data4
DATA4 is a European operator and investor in the data centre market. The group finances, designs, builds, and operates its own data centres, aiming to support client growth through connected, resilient, and responsible campus data centres. They offer colocation, dedicated building solutions, and connectivity services. DATA4 operates multiple data centres across France, Italy, Spain, Poland, Germany, and Greece, providing scalable and secure hosting solutions from single racks to entire buildings.
At a glance
Facilities tracked
10
Markets
6
Countries
6
Live capacity
450+ MW
Pipeline
650+ MW
Total potential
1,150+ MW
13% of pipeline is estimated rather than sourced.
Live capacity is power in service today. Pipeline is under construction plus announced. Total potential counts every megawatt once, including expansion headroom at existing sites.
Data4 data centre locations
10 mapped sites across 6 countries, coloured by status.
About Data4
Data4's operational model emphasizes direct customer relationships within continental Europe's enterprise and digital services sectors rather than pursuing carrier neutral positioning. This approach allows the company to maintain flexibility in customer contracts and facility deployments while remaining responsive to regional demand patterns. The concentration of capacity in Paris and the presence in Frankfurt suggest alignment with demand from French digital champions and financial services firms seeking local infrastructure while maintaining pan European reach.
The operator's current trajectory reflects modest but steady growth within established European markets. The relatively low capacity in newer markets like Warsaw and Athens indicates cautious geographic expansion rather than aggressive land grab strategies. In the competitive landscape dominated by hyperscale operators and established global platforms, Data4 occupies a distinctly European niche, competing effectively where regional proximity and local relationships matter more than global scale or technology differentiation.
DATA4 Group is a European data center operator that finances, designs, builds, and operates secure, scalable data centers for cloud operators, telecoms, tech companies, and multinationals.
2 paragraphs are not shown here because they assert facility or capacity figures we could not reconcile with the measured figures above.
Company Overview
Data4 facilities
Every Data4 site with a page on DC Atlas, by market.
MadridSpain
- Alcobendas Data4 001Alcobendas · Operational
- San Agustín del Guadalix Data4 002San Agustín del Guadalix · Under construction
MilanItaly
- Cornaredo Data4 001Cornaredo · Operational
- Cornaredo Data4 002Cornaredo · Under construction
ParisFrance
- Marcoussis Data4 002Marcoussis · Operational
- Nozay Data4 001Nozay · Operational
FrankfurtGermany
- Hanau Data4 001Hanau · Under construction
PaianiaGreece
- Paiania Data4 001Paiania · Announced
Paris regionFrance
- Nozay Data4 003Nozay · Under construction
WarsawPoland
- Jawczyce Data4 001Jawczyce · Operational
Browse every operator in FranceGermanyGreeceItalyPolandSpain