Aether is a seed and Series A fund investing in the companies building the next generation of defense and dual-use technology. We back founders solving hard problems at the intersection of innovation and national security.
We focus on early-stage startups in the defense sector, partnering with teams as their companies take shape. We invest across defense technologies, aerospace, autonomous systems, cyber, and adjacent sectors where technological advantage translates into strategic impact.
We operate with a long horizon, a lean structure, and a conviction that private capital has a role to play in making the world more secure.
Great companies are built by exceptional people. We believe that conviction in a team matters more than conviction in any single product, and that the defining quality of a defense startup is not its technology today, but the resolve and judgment of the people building it.
We look for technical depth, relentless execution, and the kind of resolve that the hardest problems in national security demand. Markets shift, technology evolves, and roadmaps change. The founders we back are the constant. They are the reason a company adapts and endures.
This is why we enter early, at seed and Series A, when our partnership can have the greatest effect on the people and the trajectory of the company they are building.
Based in Budapest, Hungary, our position gives us unique proximity to European markets, founders, and defense ecosystems across the continent.
Aether Holdings and Aether Private Equity ("Aether", "we", "us") respect your privacy. This policy explains what information we collect through this website, how we use it, and the rights you have. It is intended to align with the EU General Data Protection Regulation (GDPR).
Aether Holdings is headquartered in Budapest, Hungary. Privacy-related enquiries can be directed to Aether Holdings by post at our registered office in Budapest.
This is a static informational website. We do not operate accounts, forms, or e-commerce. The limited information involved includes:
We use only essential functionality and, where enabled, privacy-conscious analytics to understand aggregate visits. You can accept or decline non-essential cookies through the banner shown on your first visit. Declining does not affect your ability to use the site.
We use the limited data above to operate and secure the website, respond to enquiries you send us, and understand general usage so we can improve the site. We do not sell your data.
Where GDPR applies, we process technical and communication data on the basis of our legitimate interest in operating a secure website and responding to you, and on the basis of your consent for any non-essential cookies.
We may share limited technical data with the service providers who host and secure this website. We do not otherwise share your information with third parties except where required by law.
Subject to applicable law, you may request access to, correction of, or deletion of personal data we hold about you, and you may object to certain processing. To exercise these rights, please contact Aether Holdings in writing at our registered office in Budapest, Hungary.
We may update this policy from time to time. The latest version will always be posted on this page.
These terms govern your use of the Aether Holdings website. By accessing or using this site, you agree to them. If you do not agree, please do not use the site.
The content on this website is provided for general informational purposes only. Nothing on this site constitutes an offer to sell or a solicitation of an offer to buy any security, nor investment, legal, tax, or financial advice. Any investment activity by Aether is conducted through separate, formal agreements and applicable regulatory processes.
While we aim to keep information accurate and current, we make no warranties as to its completeness, accuracy, or timeliness, and we accept no liability for any reliance placed on it.
The Aether name, logo, design, text, and graphics on this site are the property of Aether Holdings and may not be reproduced or reused without our written permission.
This site may reference third-party services. We are not responsible for the content or practices of any external sites or services.
To the fullest extent permitted by law, Aether Holdings shall not be liable for any direct, indirect, or consequential loss arising from your use of, or inability to use, this website.
These terms are governed by the laws of Hungary. Any disputes shall be subject to the exclusive jurisdiction of the Hungarian courts.
Questions about these terms can be directed to Aether Holdings in writing at our registered office in Budapest, Hungary.