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Rebellion Defense

Stand: 37,38
  • 2021
  • Cyber
  • IT Software & Hardware

Rebellion Defence is a British–American software company building artificial intelligence (AI) products exclusively for the missions of defence and national security.

In an era of great power competition, software will shape global conflict and determine which nation enjoys a national security advantage. We founded Rebellion to equip the UK and its allies with the best AI-powered tools to counter emerging global threats from systemic competitors like China and confrontational states like Russia. Rebellion was launched in 2019 with backing from prominent investors including Eric Schmidt, James Murdoch, Founders Fund, and David Rubenstein. Rebellion focuses exclusively on defence and national security.


Public Hall
1 Horse Guards Avenue
United Kingdom



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Please note: 3CDSE and its trading company 3CDS (Trading) Ltd do not sell or pass on any 3CDSE contact details to third parties other than those that are expressly authorised to have access to that data for the proper functioning of their roles.

We work with Cyber Quarter, the Midlands Centre for Cyber Security/Univ of Wolverhampton, to ensure that our systems are safe, secure and robust. We are pleased to be rated in the top 10% of organisations for cyber security in the Aerospace and Defence & Security Industry. 

On occasion we are made aware of unscrupulous external actors who claim to hold data from exhibitions such as 3CDSE. Please be advised that any person offering such data and purporting to be acting on behalf 3CDSE is fraudulent. Any such perpetrators will be pursued by our sister company, Harrison Clark Rickerbys (hcr), a Top 100 law firm.

Our Security and IT experts advise that it is best not to respond to such emails as by doing so, you may be unwittingly verifying your own email address. If you have any concerns in this regard, please contact Anna Roby-Welford, Director, 3CDSE anna@3cdse.co.uk