We are 1st Line Defence, 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 posted 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.