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Defence, Security & Justice

Deloitte is the strategic advisor and transformation partner chosen by European governments, defence organisations, and actors dedicated to a resilient society, to address the most pressing market challenges of today. We collaborate with our clients and the full defence ecosystem to defend our shared European values and build a more resilient future.

Are you ready to do business in defence?

In a volatile world shaped by complex global challenges and shifting geopolitical landscapes, the need for robust, agile, and forward-thinking capabilities has never been more at the forefront.

Our purpose is to empower organisations to build modern, resilient industry capabilities that allow us to safeguard what matters most — the safety and freedom at the heart of our society.

Market challenges for doing business in Defence

Enhancing operational readiness & resilience

Deloitte partners with European (defence) clients to be prepared, equipped, and ready to respond effectively to multiple scenarios.

Fostering secure collaboration & interoperability

Deloitte helps European (defence) clients build secure, integrated environments that facilitate information sharing and joint operations.

Optimising defence financing & investment

Deloitte supports European (defence) clients in making informed investment decisions, managing complex procurement, and ensuring financial efficiency across their operations.

Accelerating speed to value creation

Deloitte empowers European (defence) clients to accelerate their innovation cycles, leverage cutting-edge technologies, and transform data into actionable insights, thereby increasing value tempo and maintaining a decisive edge.

Why Deloitte?

Deep industry expertise and proven credentials across public and private sector
Strong military and government relationships with 4,000 European defence practitioners with appropriate clearance levels, including over 500 ex-service members, partnering for stronger defence
European-focused, globally connected working seamlessly cross-border to serve our clients
Network of alliances and technology partners including AWS, Oracle and Google Cloud

Why Deloitte?

We bring deep industry expertise and proven credentials across both the public and private sectors, supported by strong military and government relationships. Our team includes 4,000 European defence practitioners with appropriate clearance levels—including over 500 ex-service members—working together to strengthen defence. We are European-focused and globally connected, operating seamlessly across borders to serve clients, and we are backed by a strong ecosystem of alliances and technology partners, including AWS, Oracle, and Google Cloud.

35+

Countries where Deloitte operate in Europe

4K+

Defence practitioners in Europe, with 120+ in BE

500+

Ex-service members, reservists, also in BE

150+

Public and private sector clients

Stories of Impact: Case Study

Read about how our firms are working with clients to combine solutions with action, bringing together deep industry knowledge with leading talent and innovative solutions.

Explore our impact

Government Trends 2025

Built to deliver: Nine trends advancing government’s capacity to deliver on big things

Governments worldwide, across levels, are strategically combining a diverse range of tools and strategies to enhance their delivery capacity.

Explore the trends

Our thinking

Explore the Government & Public Services Industry