Long -term financing supports expansion of a ~400 MW platform across Germany, serving cloud, AI, and public –
sector customers
Frankfurt am Main, January 13, 2026 – maincubes, a leading European data center operator majority-owned by DTCP, has secured €2.475 billion in financing. This significantly strengthens the company’s long-term capital base and lays the foundation for the next growth phase of its European portfolio.
The financing comprises credit lines totaling €1.775 billion, with an additional planned increase option of €700 million. It is provided by a consortium of eleven banks and an institutional fund. The funds will be used both to refinance the existing portfolio and to finance new data center projects.
The transaction will support, among other things, the construction of the fourth Frankfurt data center (FRA04), the development of the Berlin mainHub campus with 200 MW capacity plus expansion options, and the further expansion of existing locations. With a platform of approximately 400 MW, maincubes is now one of the largest and fastest-growing data center operators in Germany.
The long-term financing structure creates a solid foundation for further scaling the business and meeting the rapidly increasing demand for secure, sustainable, and high-performance digital infrastructure. maincubes serves a broadly diversified clientele, including public sector organizations and global hyperscalers. This positions the company as a leading German infrastructure provider for business-critical cloud and AI workloads.
The broad participation of financing partners reflects the high level of confidence in maincubes’ business model, operational excellence, and long-term growth strategy. At the same time, it underscores the conviction of investors and market participants in the platform’s ability to identify, develop, and successfully operate attractive assets in core markets.
“This financing is an important milestone for maincubes. It gives us the financial strength to drive our growth and implement large-scale projects. At the same time, it confirms our position as a leading German data center operator for cloud and AI workloads – for both international customers and the public sector , ” says Oliver Menzel, founder and CEO of maincubes.
“This successful funding round impressively demonstrates how strongly maincubes has developed in recent years. We thank both our existing and new funding partners for their trust and support. Together with the management team, we will continue to systematically expand the platform , ” added Waldemar Maurer, Partner at DTCP.
Tim Hofmann, Principal at DTCP, adds: “This funding increases maincubes’ financial flexibility and underlines its long-term growth. The broad support confirms the company’s positive development and future prospects.”
Maincubes was advised on the transaction by RBC Capital Markets and A&O Shearman.
The financing consortium was advised by Hogan Lovells.
About maincubes:
Maincubes is a leading European data center provider, developing and operating facilities in key markets such as Frankfurt, Berlin, and Amsterdam. Its data centers offer the highest security standards, certified sustainability, and flexible, customized solutions. Using state-of-the-art technology, Maincubes ensures the uninterrupted availability of business-critical IT infrastructures. Its customers include public institutions, national and international medium-sized businesses, and global hyperscalers who rely on dependable, high-performance, and sustainable digital infrastructure. Maincubes was founded in 2012 and is headquartered in Frankfurt am Main.
www.maincubes.com
Contact:
Catherine Chehimi
Sr. Manager Corporate Communication
maincubes Holding & Service GmbH
Tilsiter Straße 1
60487 Frankfurt am Main
Germany
+49 151 5502 5699
Media@maincubes.com
www.maincubes.com
