UXO – Assessed, Mitigated, Managed.

Welcome to 1st Line Defence. We are the UK’s market leaders in the provision of unexploded ordnance (UXO) risk mitigation services. We assist clients by providing bespoke solutions to any potential risk posed across the UK, and around the world, from unexploded bombs and munitions related to current and former military land use and aerial bombing.

Our team has provided UXO advice and services to some of the UK’s most iconic construction projects including the O2, Wembley Stadium, HS2 and Thames Tideway. We’re here to help!

1st Line Defence are ‘Covid Secure’ compliant, visit our Covid-19 Response page to find out what changes we have made to adapt and be ‘Covid Secure’.


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    Contact us if you need more information or have questions or queries. We are always happy to assist or advise where we can.

    Call: +44 (0) 1992 245020 or Email: info@1stlinedefence.co.uk

    Achilles BuildingConfidence Audited Member of the Association of Geotechnical and Geoenvironmental Specialists British Safety Council Member CHAS Accredited Contractor Constructionline Gold Member ROSPA Member British Assessment Bureau ISO 9001 Certified British Assessment Bureau ISO 14001 Certified British Assessment Bureau ISO 45001 Certified SafeContractor Approved Member of the Armed Forces Covenant