Costain Upstream

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We provide innovative engineering and technology-led solutions to meet the needs of our customers. This is underpinned by our company strategy, Engineering Tomorrow which is focused on identifying, developing and implementing innovative solutions. Costain Upstream was formed by the acquisition of ClerkMaxwell in 2011, then EPC Offshore in 2013, by Costain Group PLC. The distinctive combination of multidisciplinary engineering and asset support services, with project definition and project management expertise, creates a unique asset lifecycle service offering with subsea, floating and fixed capability.

Sector: Oil & Energy


Year Established: 2008