Penten, an Australian cybersecurity company, has merged with Amiosec, a British defense and aerospace technology firm, in a $82 million deal to bolster sovereign cybersecurity capabilities. The combined entity is expected to generate over AUD 125 million annually.

Deal-at-a-glance:
Acquirer:Penten (AU)
Target:Amiosec (GB)
Type:Merger
Value:$82 million
Closing Date:November 1, 2025
Buy-side Advisor:Macquarie Capital

Deal Mechanics

The transaction sees Penten and Amiosec merging to form a stronger entity in the defense cybersecurity space. The deal aims to create an enhanced platform for offering secure technology solutions to government and military clients, leveraging both companies' expertise.

Strategic Rationale

The merger is designed to enhance sovereign cybersecurity by combining Penten's Australian market leadership with Amiosec’s European defense experience. This strategic combination allows the new entity to better serve global governmental and military organizations seeking advanced cyber protection capabilities.

Financial Context

With projected annual revenues of over AUD 125 million, the merged company will benefit from a strong financial position that supports substantial investment in research and development. The deal's high-growth trajectory also positions the combined entity for expansion into new markets.

Advisors

Penten was advised by Macquarie Capital on the transaction, with Amiosec retaining undisclosed advisors.