Lockheed Martin UK Limited (LMUK) is a wholly owned subsidiary of Lockheed Martin, headquartered in London. The company was created on 1 July 1999, combining all of Lockheed Martin's UK operations into one company.

Divisions

Below is a list of LMUK's businesses and selected activities

• Aeronautics
  • C-130J Hercules
  • JSF
• Distribution Technologies
• Integrated Systems
  • UK Ground Based Air Defence (GBAD)
  • Merlin HM Mk.1 – Prime contractor and systems integrator for the Merlin helicopter
  • Merlin Capability Sustainment Plus – Mid-Life Update of Merlin
• Integrated Systems & Solutions
  • Turrets for Ajax and Warrior^{[citation needed]}
• Integrated Transport Systems
• Missiles & Fire Control
  • GBAD
  • Javelin
  • Longbow attack radar and weapon system for [[Westland WAH-64 Apache|WAH-64 Apache^{[citation needed]}]]
• Global Training and Logistics
  • Technology Services
  • Atomic Weapons Establishment
• Transportation and Security Solutions
• Space Systems
  • Trident missile
• Information Technology
  • NATS – Air Traffic Management Systems^{[citation needed]}
  • Ministry of Justice – Service Integration & Management (SIAM)^[1]