Defence, Aerospace & Security

Security, scalability and transformations for organisations in a
fast-evolving world

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Complex sectors that require resilience, collaboration and strategic transformation

These are today’s core challenges in Defence, Aerospace & Security:
  • Modernising processes, tools and methods to match the pace of technological advancement.
  • Delivering integrated capabilities, not just components, through cross-industry collaboration.
  • Securing the full defence ecosystem, from suppliers to systems and skilled personnel.
  • Building robust, future-proof and scalable supply chains that reduce dependency and risk.
  • Balancing speed with responsibility, ensuring sustainable and informed decision-making.
  • Targeting investments effectively to scale innovation without inefficiency or waste.

These sectors are rapidly evolving due to developments such as:

  • Accelerated defence spending creates demand for scalable infrastructure and industrial production capacity.
  • Strategic autonomy requires control over supply chains and reduced foreign dependency.
  • New industrial logic demands flexible, autonomous, and redundant production and delivery models.
  • Digital transformation enables AI, cyber, simulation, and data-driven decision-making in defence.
  • ESG integration remains an essential focus area in defence procurement and supply chain governance.

How BDO can help

To seize new growth opportunities within these sectors, we help you:

  • Navigate the competitive landscape - from shaping corporate strategy to execution, enabling sustainable expansion and stronger positioning in defence and adjacent markets.  
  • Accelerate growth through strategic transactions - end-to-end support across the deal lifecycle: identifying targets, assessing risks, structuring, and delivering value beyond.
  • Build flexible supply chains that withstand disruption - from ERP-enabled visibility to risk analytics, ensuring control and continuity in global defence ecosystems.
  • Demonstrate cyber-resilient operations - building secure supply chains and embedding resilience against digital and cognitive threats.
  • Operate with confidence in a complex legal environment - proactive governance, program oversight, and risk management to protect agility while meeting evolving defence sector obligations.


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Why choose BDO

At BDO, we support defence, aerospace and security players in turning complexity into strategic advantage.

  • We combine deep sector knowledge with pragmatic, hands-on expertise (including active military reservists) to solve real industry challenges.
  • Our team includes professionals with direct experience in these sectors, not just theoretical or generic consulting backgrounds.
  • We build long-term, trusted partnerships by delivering relevant, credible, and impactful solutions from day one.

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Defence, Aerospace and Security industry leader

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