Marshall Group is a British aerospace and defence engineering company headquartered in Cambridge, England, with a heritage dating back to 1909. The company specializes in aerospace maintenance, repair and overhaul (MRO), engineering services, precision manufacturing, aircraft modifications, advanced structures, and defence-related technology solutions for governments, armed forces, aircraft operators, and major aerospace original equipment manufacturers (OEMs) worldwide. Marshall is internationally recognized for its expertise supporting the Lockheed Martin C-130 Hercules fleet and provides engineering and manufacturing services for leading aerospace companies such as Lockheed Martin and Boeing. In addition to its engineering operations, the group has significant property interests, including the Cambridge East development site and former Cambridge City Airport landholdings. Operating across the UK, Europe, North America, and the Middle East, Marshall combines over a century of engineering experience with a focus on innovation, sustainability, and long-term infrastructure and property development.