New Three Seas Initiative partnership to mobilise billions for strategic infrastructure across Central and Eastern Europe

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Infrastructure projects across Central and Eastern Europe are expected to benefit at least €2 billion of new investment following a new partnership announced today between the European Investment Fund (EIF) and national promotional institutions from five EU countries at the Three Seas Initiative Summit in Croatia. The initiative will mobilize public money for a broad range of infrastructure investment funds operating across the region.

The EIF, together with national institutions from Poland (BGK), Romania (BID), Lithuania (ILTE), Croatia (HBOR) and Slovenia (SID Banka), signed a Memorandum of Understanding to launch the initiative later this year. Bulgaria has also pledged support to the initiative, through the Ministry of Innovation and Growth. Other Three Seas Initiative countries are expected to join after the new fund of funds is launched.

“We are creating vital preconditions for faster economic growth while strengthening Europe’s resilience,” said Marko Primorac, Vice President of the European Investment Bank Group. “Our partnership will unlock large‑scale support for infrastructure projects across Central and Eastern Europe in sectors that are critical for competitiveness, sustainability and regional convergence – creating jobs and new business opportunities.”

Participating countries are expected to jointly contribute €250 million, with the EIF matching these contributions at the level of supported infrastructure funds. The public backing will attract additional private investment and support infrastructure projects in areas such as clean energy, transport networks, digital connectivity and social infrastructure.

The joint NPI-EIF initiative will support both experienced international fund managers and new or emerging teams from Central and Eastern Europe, helping to develop a stronger local investment market while improving access to long‑term capital for regional infrastructure projects.

“We are bringing together national resources and the EIF’s expertise to support the next generation of infrastructure investment across the Three Seas region,” said Marjut Falkstedt, Chief Executive of the EIF. “These investments help turn the green and digital transitions into concrete projects on the ground and show how the EIF delivers real impact for Europe’s economy.”

By investing through several professionally managed funds, the “fund of funds” model allows for a broader reach and for investment to be spread in a balanced manner across countries and sectors, reducing risk while making it easier for large and complex infrastructure projects to secure financing.

The Three Seas Initiative Infrastructure Fund of Funds complements existing regional investment efforts, including the Three Seas Initiative Innovation Fund, builds on the previously launched Three Seas Initiative Investment Fund and reinforces the EIB Group’s long‑standing role in supporting infrastructure development and market growth in Central and Eastern Europe.

The European Investment Bank (EIB) Group is the financing arm of the European Union, owned by the 27 Member States, and one of the largest multilateral development banks in the world. In 2025, the EIB Group signed €100 billion in new financing and advisory services for over 870 high-impact projects under eight core priorities that support EU policy objectives. In Bulgaria, the EIB Group committed over €646 million in 2025, a 72% increase compared to the previous year.

The European Investment Fund (EIF) is the subsidiary of the EIB Group specialised in providing guarantees and equity to improve access to finance for small and medium-sized businesses and startups across Europe. Acting as an anchor investor, through its extensive network of partnering banks and investment funds, the EIF mobilises private investment and nurtures the ecosystem of venture capital funds to support innovative European entrepreneurs.

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