Aberdeen-based specialist oil and gas project management services company EPC Offshore has been acquired by Costain, a U.K. Tier One engineering solutions providers. The deal marks the launch of Costain Upstream, a new divisional operation combining EPC Offshore’s capabilities with ClerkMaxwell, the oil and gas engineering and support services provider which was acquired by Costain in 2011. Costain Upstream, which will comprise a resource pool of over 350 people and provide services across the life-cycle of upstream offshore oil and gas assets, will deliver engineering, capital projects and asset support services across four principal service lines: field development, subsea facilities, topside facilities and floating systems.