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PSI is an established and experienced mechanical contracting company with the capability of providing a full range of mechanical engineering building services and solutions.

With our cooperative approach, PSI thrives on working in close collaboration with project teams to deliver the best solutions to any problems.

Our mechanical services include: design, specification and commissioning through to full installation, project management and ongoing maintenance.

Our mechanical capabilities encompass: energy centres, heating, cooling, ventilation, security, communications, public health, design, commissioning and aftercare packages as well as prefabricated solutions.


Premier Service Installations have a team of domestic plumbers who all specialise in Plumbing and Heating at a domestic level.

Premier Service Installations are able to provide a large range of services for the domestic household.
These services include –

  • Airlocks
  • Ball Valves
  • Bathroom Refurbishment
  • Bidets
  • Blocked Toilets, Sinks, Pipes & Drains
  • Burst Pipes
  • Floods
  • Gutters & Downpipes
  • Hot Cylinder Installations
  • Hot Water Problems
  • Immersion Heaters
  • Kitchen Refurbishment
  • Landlord Certification
  • Leaks
  • Overflows
  • Pipework Replacement
  • Plumbing Installations
  • Pumps
  • Radiator & Valves
  • Repairs
  • Saniflo Installs
  • Showers & Pressure Adjustments
  • Stopcocks
  • Tap Repairs & Installations
  • Thermostat Problems
  • Toilet Repairs & Installs
  • Unvented & Vented Cylinders
  • Waste Disposals
  • Water Heater Repairs & Installs
  • Water Tank Installs
  • Wet Room Refurbishment

If want to learn more about Premier service installations domestic services please Get in touch


Premier Service Installations have departments dedicated to delivering commercial plumbing and heating services.

Our commercial plumbers and heating engineers can repair, install and maintain commercial plumbing and heating systems.
Here is a list of several of the commercial services that Premier Service Installation can provide:

  • Infrastructure Installation
  • Full System Installation.
  • Boiler servicing, breakdown and commissioning.
  • Oil fired pressure jet appliances.
  • Plantrooms.
  • Project fit out
  • Gas boosters & compressors.
  • Commercial gas catering.
  • MDPE underground gas pipework.
  • Large and small testing and purging of natural gas pipework.

We have installed and maintained equipment in many types of commercial buildings, including:

  • Residential building with a central plant.
  • Office buildings & complexes.
  • Factories & warehouses.
  • Hospitals, care homes & day centres
  • Schools, colleges & universities
  • Banks
  • Hotels
  • Commercial properties

If want to learn more about Premier service installations commercial services please Get in touch

Syphonic Rainwater

As Approved Installers of Geberit Siphonic Rainwater Systems with Design Capabilities.
PSi specialise with the design, coordination, calculation, and delivery of bespoke Siphonic Rainwater Systems which, where required are capable of draining large volumes of water over a large surface area quickly.

If want to learn more about Premier service installations syphonic rainwater services please Get in touch


If want to learn more about Premier service installations industrial services please Get in touch