Subsea, offshore, oil and gas

Stephenson Engineering has supported the subsea oil and gas sectors for the past 35 years, working with all the oil majors and service companies. We produce high-integrity customer-designed products to customer-designed specifications.

We are intimately acquainted with the process, specifications, project requirements and documentation, and have built our business on outstanding customer service. Our oil and gas work spans numerous disciplines, including; fabrication, welding, machining, testing, assembly and painting, all of which we undertake onsite to give us full control over quality and project management and on time delivery.

  • Several large white industrial devices with orange handles lined up on wooden pallets in a workshop.
  • Two men working on a large industrial metal component in a workshop, with tools and equipment around.
  • Large yellow industrial machinery component in a workshop with tools, shelves, and workers in the background.

We provide a bespoke engineering solution for subsea applications, delivering complex components and assemblies, built to meet exacting standards and operational demands.

The majority of our manufacturing is load, safety or service specific and designed for critical operational performance in harsh or demanding environments.

  • Subsea connectors, clamps and collars

  • Steel catenary risers (SCRs)

  • Umbilical termination assemblies (UTAs)

  • Hang-off assemblies

  • Subsea structures, test frames and mud mats

  • Subsea lifting and handling equipment

  • Bend restrictors

  • Bend stiffeners

  • Pull-in heads / pulling eyes

  • Centralisers and installation bands

  • Subsea anchoring and mooring systems

  • Burial / trenching machine components

  • Decommissioning equipment

  • Cutting and recovery tools

  • A worker in a blue jacket is inspecting a large yellow industrial lifting device in a warehouse.
  • Two large yellow mechanical parts with circular openings, placed in a blue container with wooden sides. The parts have metal blocks attached to their edges and are situated in an industrial or warehouse setting.
  • Yellow mechanical device with pipes and cylinders, likely an aircraft engine or industrial equipment, inside a workshop or warehouse.