DSEI Japan provides the greatest opportunity for the global defence industry to meet the Japanese defence community, supporting the sourcing of the latest equipment and systems, developing international relationships and generating new business opportunities and partnerships between Japan and the world.

The third edition of DSEI Japan took place on 21-23 May 2025, with 470+ exhibitors from across the globe. The event offered a range of high-level conferences, seminars and bilateral meetings featuring world-class speakers.

Top Reasons To Attend

Top-tier Exhibitors

A wide range of international and Japanese exhibitors participate in every edition of DSEI Japan, showcasing their latest multi domain, air, and land technologies. The event also features a strong presence of domestic vendors, including startups and new SMEs presenting innovative solutions.

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Networking

DSEI Japan 2025 is the ideal place for visitors across defence, who wish to connect with military leaders, as well meeting new customers and suppliers, to promote their brand and receive global reputation across the industry.

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Key Features

Startup Zone

The DSEI Japan Startup Zone hosts visionary start-ups and SMEs, with cutting-edge defence technologies, making it one of the prime features of DSEI Japan.

Specialised Conference

The DSEI Japan Conference is catered to our audience needs, by providing insights on the latest defence and security topics around technologies such as Cyber, AI, and Unmanned Systems.

GCAP at DSEI Japan

DSEI Japan serves as a critical platform for advancing conversations and partnerships around Global Combat Aircraft Programme (GCAP), as it stands as a beacon of innovation within the global defence community.

2025 Facts & Figures

13,000+
Attendees
30+
Exhibiting Countries
1100+
VIPs
470+
Exhibiting Companies