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WSG Plenary is a subsidiary of the Well Services Group and is a worldwide partner providing Project Commissioning, Management & Inspection Services and Project to Operations (P2O) Solutions.

Our service utilises over 30 years of multiple projects and asset delivery experience brought to you by WSG and PPSSL.

Our History

WSG is an established pre-commissioning services operator in the oil & gas industry. Combined with the project, commissioning & maintenance expertise of Plenary Project Solutions we have created WSG Plenary.

Plenary Project Solutions have a successful track record in project delivery for client assets, both fixed leg & floating, built and converted in Europe & Asia, and operating in the UK & Norwegian sectors of the North Sea, Brazil, Australia, Vietnam & West Africa.

The business combines the security of the larger parent group with a new dimension of EPIC Pre-commissioning Services and Project & Asset Solutions.

The Future

Within WSG Plenary, our Project Delivery & Operational Support covers a lifecycle approach, improving Asset Integrity and Operational Uptime with experience at the right time at the right place in the asset lifecycle.

Our services can be grouped into 4 main areas:-


• Resources & Specialist Teams
• PPT- CMS (Plenary Projectools Completions Management System)
• SMS (Safety Management Systems) through Construction, MC & Commissioning
• Fixed Price Integration Precommissioning
• Piping Integration Leak Guarantee Certificate


• Integrated Client Management Team
• Owner Representation & Execution
• Safety Management – SMS, HSE & PTW systems
• Project Carry Over Management
• Commissioning Procedures
• Dry Dock, Shutdown & Campaign Management


• Vendor FAT / SIT Acceptance
• Electrical & Mechanical Integrity (ATEX Compliance)
• Piping Integrity (PED Compliance)


• ORA (Operations Readiness & Assurance)
• MMS (Maintenance Management System)
• CASYS (Competency Assessment System)
• Pre-Operations – System Handover Acceptance & Operation