Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world.


Our largest international location, the United Kingdom plays a central role in our future growth strategy. Building on the foundations of the critical work we do with the Ministry of Defence, NATS, Ministry of Justice and many other government, commercial and defence organisations, more than 1,500 Leidos employees contribute to making the United Kingdom more secure, increasingly efficient and digitally enabled.

Our UK Capabilities

Defence Logistics

Transforming the defence supply chain, showing the whole picture as it happens

Airports & Air Traffic

Keeping the world's airspace and airports operating efficiently each and every day.

IT Modernisation

Transforming systems, software and infrastructure for the digital age to drive more efficiency, greater insights and organisational agility.


Full spectrum cyber defence, protecting the information that matters most.

Data Analytics

Delivering actionable intelligence from multi-source data, providing insights that were previously unseen and supporting the most critical decisions.


Integrated intelligence technology, systems, and operational solutions across all domains — air, land, sea, space, and cyberspace.



Who We Work With





With the UK's Ministry of Defence we're playing a key role enhancing the defence supply chain providing the whole picture as it happens.


We've partnered with NATS for more than 30 years, keeping 2.4 million flights in UK airspace moving each year.


The Leidos Virtual Technology Cluster provides a route for small and medium-sized enterprises to secure business on our programmes

Careers in the UK


At Leidos we help protect some of the nation’s most critical infrastructure, operate systems that keep our military moving and transform how the government interacts with its citizens.

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Corporate Social Responsibility

Serving the UK

With 15 offices in the UK we’re committed to supporting STEM education, enriching communities and  supporting charitable causes locally and nationally.

Learn more here >>



Contact Our UK team