The United Kingdom, the Netherlands and Finland are in discussions to establish a new defence-focused investment institution designed to finance joint military procurement and strengthen Europe’s defence capabilities.

The proposed mechanism would operate in a similar way to an international financial institution, combining capital contributions and guarantees from participating governments while raising additional funds through bond issuance.

The structure is intended to attract private investment and provide a scalable source of financing for defence projects.

Officials involved in the discussions have indicated that the initiative is still in an exploratory phase, with work underway to define its legal and operational framework.

A formal treaty is expected to be required to underpin the institution, with further negotiations planned in the coming months.

The primary objective is to improve efficiency and reduce costs in defence procurement by pooling demand across participating countries.

By coordinating purchases and leveraging shared financing, the initiative aims to expand industrial capacity, enhance interoperability, and strengthen collective deterrence.

While initially focused on the three founding countries, the framework is expected to be open to other North Atlantic Treaty Organization allies and like-minded partners, subject to unanimous approval.

Expanding membership is seen as critical to increasing the scale and impact of the mechanism.

The discussions come amid a broader shift across Europe toward increased defence spending and closer cooperation, driven by evolving security challenges and the need to modernise military capabilities.

Governments are seeking new financial tools to support these ambitions without placing excessive strain on national budgets.

Existing institutions, including European-level financing bodies, face limitations in directly supporting defence production, prompting interest in alternative models that can mobilise both public and private capital more effectively.

If realised, the proposed investment bank would represent a significant step in reshaping how defence projects are funded in Europe, aligning financial innovation with strategic priorities as countries seek to accelerate rearmament and strengthen long-term security resilience.