Petrochemicals, Refining and Onshore Sites

PD&MS offer a range of services to Petrochemicals, Refining and other Onshore sites. We have experience in the delivery of projects and modifications on COMAH and CDM controlled sites, acting as principal designer and contractor, as well as working under other principal contractors.

We leverage our extensive experience in hazardous process industries to offer end to end solutions for our customers operating Petrochemical facilities, Refineries, and other Onshore sites.

Deploying our Front End Capability to Add Maximum Value

We support our customers from concept to completion through our multi-stage value management process. Our team can work with you to understand your opportunities for;

  • Process or facility bottlenecking
  • Plant Upgrades and Modifications
  • Leveraging of new technologies to improve efficiency
  • Validation of 3rd Party Designs, Schedules, or Plans
  • Decarbonisation and introduction of Renewable energies
  • Mothballing or Decommissioning of Plant and Equipment

We work with our customers operations and engineering teams to bring new perspectives, helping them build their internal business case, carry out studies, undertake front end early engineering works, and support the development of subsequent investment decision, planning and permitting packs to suit your needs.

High Quality Engineering, Construction and Commissioning

Our project management, engineering, construction and commissioning teams work together to provide our customers with a seamless end to end project delivery. PD&MS can provide the following services to support our customers in Petrochemicals, Refining and Other Onshore Site based industrial facilities;

  • Asset Integrity, Inspection and Interventions
  • Project Management
  • Multi-Discipline Engineering
    • Process Engineering
    • Piping and Stress Engineering
    • Mechanical Engineering
    • Technical and Process Safety
    • Electrical Engineering
    • Instrument and Systems Engineering
    • Structural Engineering
    • Civil Engineering
  • Construction and Commissioning – All Trades

We offer fit for purpose and cost-effective solutions through the provision of a service tailored to your specific needs. Our processes and procedures are designed to be flexible to ensure we provide our customers with the most efficient delivery structure matching the requirements for each specific project.


PD&MS have extensive experience on CDM controlled and COMAH sites. A significant portion of our management team and technical leadership have received CDM training and our business processes have been verified as being in line with CDM requirements.