Power System Services offers a complete range of site services for all your mechanical installations, including:

These site services include:

  • Feasibility studies and scheme proposals.
  • Principle Contractor Role, including the management of other key project disciplines such as electrical/ control and Civils.
  • Performance improvements, problem solving and performance monitoring.

From complete design, build and install projects, to remedial maintenance, we have the resources and expertise to ensure every aspect of your mechanical engineering project is optimally installed, commissioned, and maintained.

A history of well managed professionally delivered turnkey project have made Power System Services the ‘go to’ expert trusted partner for many blue chip companies, including: EDF, Crossrail, Thames Tideway, Breedon and many more similar.

mechanical site services


PSS offer as part of feasibility and project delivery the latest laser measuring equipment combined with 3D CAD modelling to create an accurate layout of the existing structure, and a model of the new installation. Other more traditional survey techniques make up the full survey package of capabilities.

Design and detailing

Our experienced designers work closely with you, using precise visualisations to ensure the proposed installation meets all your requirements. Design activities include, Structural checks, detailing for fabrication, process engineering and modifications to accommodate circumstance changes.


Supported by our experienced designers and project managers, PSS’s on-site installation teams ensure your project is installed safely on time and to the highest possible standard. Our teams have a proven record in managing installation and overhaul projects at key generating and industrial premises, which includes consideration of other trades, live equipment and System issues.

From logistics planning, to crane lifts, and final commissioning, our engineers have the qualifications and expertise to ensure every aspect of your project is properly delivered and checked before the final handover.

Safety is our priority

The health safety of our employees and those associated with or works IS our number one priority. To achieve this end goal we train all our employees to the H&S standard pertinent for their role. Subject to their position, staff are NEBOSH, IOSH and CSCS or CCNSG cardholders.

All of our safety documents including plant certification and employee training qualifications are stored electronically. This means our site managers and supervisors have direct digital access to these resources while on site, and ensures our safety paperwork is always up-to-date.

24/7 support

Our mechanical, engineering, and structural installation and repair teams are available 24/7 across the UK. We can mobilise teams in just a few hours for emergency repairs, minimising downtime on your installations. We have numerous maintenance contracts that include 24/7 availability.

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mechanical site services