Interested in participating?

About DSEI

Invest NI plans to host an exhibition stand at DSEI in September 2025.

DSEI is a unique platform to showcase cutting-edge solutions to an influential global audience in the dynamic and ever-evolving defence and security market. 
 
Attendees will have the opportunity to engage directly with key decision-makers, including senior government officials, military personnel, and industry leaders, ensuring your innovations are seen by those who matter most.

Find out more about DSEI.

Who should consider attending DSEI?

The exhibition is ideal for companies targeting defence and security contracts with capabilities in:

  • Advanced manufacturing
  • Precision machining
  • Advanced composites
  • Cyber security
  • DefenseTech
  • AI and data analytics
  • Secure telecoms
  • Uniforms

Who is eligible to attend DSEI?

Our International Trade Calendar exhibitions and trade missions are open to all Invest Northern Ireland client companies that meet the eligibility criteria. Find out more about becoming an Invest Northern Ireland client company.

Please note that spaces to attend this event are limited. Spaces will be allocated on a first come, first served basis subject to a successfully completed application form and participation payment.

Cost

£4250+VAT*

*Additional space may become available to purchase at an additional cost. To register your interest please contact exportevents@investni.com.

Benefits of attending DSEI with Invest NI

 Participation package includes:   

  • Branded workstation on the Northern Ireland pavilion, within the ADS/UK Pavillion 
  • 2 x exhibitor passes 
  • Registration as a co-exhibitor 
  • Shared use of stand facilities 
  • Opportunity to display one small item on the stand as discussed and agreed with Invest NI in advance
  • Networking reception with key buyers and stakeholders
  • Business development support from our in-market team 
  • Promotion of participation pre, during and post exhibition

On successful participation in the event companies will be offered £500 support towards economy airfare and accommodation for two company employees. This is subject to the completion of a short evaluation questionnaire. Please note this assistance will count towards your DeMinimis Aid total.

Interested in attending the exhibition?

To check your eligibility to participate, please answer these three questions.

Is your business eligible?

Answer the following questions to find out if you can apply.

Q1 - Is your business currently based in Northern Ireland?
Q2 - Can your product or service be sold to customers outside Northern Ireland?
Q3 - Are you an existing Invest Northern Ireland customer?

It is critical to understand any regulatory, compliance, and procedural issues that might affect your product or service in your target market.

A rule or regulation could stop you exporting, therefore it makes sense to find out before you spend any time or money exploring your export options.

Based on your answers your business is eligible to apply for this event.

Complete the following form and one of our international trade advisors will be in touch to discuss the next steps.

For information on how we use your personal data including your rights, see our privacy notice.

Based on your answers, you should discuss your business’ support needs with an Invest NI advisor.

Complete the following form and one of our advisors will be in touch to discuss the next steps.

Sorry, based on your answers your business does not meet the eligibility criteria for support from Invest NI

Considering doing business with Northern Ireland? Find out more about Northern Ireland’s highly skilled talent, excellent infrastructure, competitive costs, and supportive, business-friendly environment – see Why Northern Ireland?

The UK Government’s Department for Business and Trade offers a wide range of free export support. To find out more, visit great.gov.uk.

Based on your answers, your business is not eligible to receive support to attend this event.

Find more about Invest NI’s support for business.

The nibusinessinfo.co.uk website offers a wide range of help, support and guidance to help you start, run and grow a business.