Data Centres for Cloud & AI Providers, Public Sector, and Colocation
maincubes delivers secure, scalable data center solutions for global AI and cloud providers, fast-growing platform companies and digital enterprises with large-scale infrastructure needs. Public sector organizations also trust our solutions when data sovereignty, security and compliance are mission-critical.
BER02
Capacity: 144 MW
Whitespace: 46,800 m² / 503,800 ft²
In Operation: 12/2027
BER01
Capacity: 8,3 MW
Whitespace: 5,100 m² / 55,000 ft²
In Operation: 2025
AMS01
Capacity: 4,7 MW
Whitespace: 3,800 m² / 41,000 ft²
In Operation: 2018
FRA02
Capacity: 7,3 MW
Whitespace: 5,000 m² / 54,000 ft²
In Operation: 2024
FRA03
Capacity: 16 MW
Whitespace: 7,600 m² / 82,000 ft²
In Operation: 2026
FRA04
Capacity: 40 MW
Whitespace: 10,000 m² / 108,000 ft²
In Operation: 2029
FRA01
Capacity: 6 MW
Whitespace: 4,200 m² / 45,000 ft²
In Operation: 2017
Scale Up in Frankfurt and Berlin!
Located in major European hubs such as Frankfurt, Berlin and Amsterdam, our data centers are designed for maximum availability, energy efficiency and regulatory alignment – ideal for cloud-native services, compute-intensive applications and long-term infrastructure strategies.
Choose the Smartest Places of Tomorrow!
Customised Data Centres: Built-to-Suit & Powered Shell
Highly Available, Secure Infrastructure for All Scalability Levels
Deep Expertise in European Legal and Regulatory Frameworks
Sustainable Operations with an ESG Focus
Excellent Access to Power and Connectivity in Prime Locations
Our Locations
Discover our strategically located data centers. Each site offers premium infrastructure and optimal conditions for your growth.
Data Centers for Cloud & AI Providers
maincubes specializes in high-performance hyperscale data centers designed to meet the evolving demands of cloud and AI providers. Whether powered shell or built-to-suit, we develop solutions tailored to your specific requirements. As a German provider, we bring deep expertise in regulatory compliance and offer comprehensive support in site selection, permitting, and the provisioning of critical resources such as power and connectivity.
With years of project experience and a strong partner ecosystem, we enable fast, future-ready deployments – in close collaboration with you.
144 MW
BER02: Ready for Service 12/2027
16 MW
FRA03: Ready for Service 2026
40 MW
FRA04: Ready for Service 2029
Data Centers for the Public Sector
maincubes provides highly secure data center environments tailored to the specific requirements of government bodies, public institutions, and critical infrastructure organizations. Our solutions meet the highest standards for data protection, security, and sovereignty – fully aligned with both national and EU regulations.
With state-of-the-art infrastructure, certified operations, strict physical access controls, and complete transparency, we offer a trusted environment for sensitive applications and data.
Whether it’s specialized government IT services, administrative platforms or critical infrastructure systems – with maincubes, you benefit from high availability, sovereign data control, and full regulatory compliance.
Colocation for Businesses with Evolving Infrastructure Needs
maincubes delivers high-availability colocation solutions that combine maximum security, scalability and operational efficiency. Our data centers offer state-of-the-art infrastructure with redundant systems, excellent connectivity and robust physical security.
Whether you’re relocating existing systems or enabling new digital services, our colocation offerings can flexibly adapt to your evolving requirements – supporting a secure and future-ready IT strategy.
About maincubes
Innovation, sustainability, and outstanding service – that’s what maincubes stands for. As a leading provider of data center services, we combine technical excellence with responsible entrepreneurship. Our customers benefit from deep market expertise and cutting-edge infrastructure designed for performance, security, and long-term viability.
From planning to operations, our experienced team supports companies on their journey to efficient and sustainable data center solutions in Europe. Driven by the vision of creating the smartest places for digital infrastructure, we’re shaping the data center landscape of tomorrow – innovative, accountable, and future-ready.
Careers at maincubes
Are you fascinated by the world of high-performance data centers? Do you want to help shape the digital infrastructure that powers cloud providers, enterprises, AI innovation and the public sector? Then start your career at maincubes and become part of our team. We’re not just another data center operator – we build the foundation for tomorrow’s digital world.
And just as we create the smartest places for digital infrastructure, we’re committed to building smart, people-focused workplaces that foster ideas, collaboration and growth.
With vision, responsibility, and innovation, we’re looking for people who think ahead, take action, and want to make a real impact. Sound like you? Let’s build the smarter future – together.
Your ESG Goals, Our Mission.
Sustainability is part of our DNA. Discover how maincubes actively pursues ESG goals and consistently implements measures for ecological and social responsibility.
The Advantages of maincubes Data Centres
Excellent Infrastructure
Nearly 200 MW of Data Center Capacity in Frankfurt and Berlin
Available from 2026 – with significant expansion potential in key European markets.
100 % Availability
Rapid Availability & On-Time Delivery
We take care of power supply and all necessary building permits to ensure the timely delivery of new capacity – aligned with the requirements of AI and cloud workloads as well as public institutions.
Tailored Solutions
Seamless Integration & Maximum Flexibility
We ensure that new data center capacity integrates seamlessly into your existing infrastructure – precisely tailored to your requirements.
European Market
Guaranteed Data Sovereignty & Security
100 % guaranteed for enterprises and public institutions – enabled by German ownership and European data center locations.
Sustainable Operations
Supporting Your ESG Goals
Our data centres are optimised for sustainable efficiency from planning to operation. Features include a PUE of less than or equal to 1.2 and waste heat utilisation with local partners.
"The collaboration with maincubes is excellent on every level."
Rüdiger Kunze
Head of Housing & Site Infrastructure
Telefónica
"With maincubes, we have a partner who demonstrates the flexibility we need to succeed today."
Nicolai Probst
Member of the Management Board
TakeASP
Contact Us
Are you interested in learning more about maincubes or have specific questions about our data centers? Our team is here to assist you personally. Together we’ll develop solutions perfectly tailored to your IT infrastructure needs.
Use our contact form, and we’ll get back to you promptly.