Southbay Civil Engineering Ltd specialise in civil engineering construction and design and build contracts within a marine environment. River & Coastal Works Jetty, Quayside and Sea Wall Repairs Reinforced Concrete Structures Timber Structures - demolition & reconstruction Steel Piling Design & Build Flood Defences Bridges and non marine structures Southbay Civil Engineering undertake contracts ranging in value from £5,000 to £20m. Southbay have undertaken major quayside contracts for clients including the Port of Tyne, North Shields Fish Quay Company Ltd, Forth Ports, and Shepherd Offshore.