At Horizon Engineering, we’re here to lend our expertise to your industrial installations, whatever your needs may be. We’re proud to offer our clients more than they’d get from traditional design consultancies. That’s thanks to our expertise in the operational side of mechanical and electrical plant, equipment and systems.

If you’re looking to see improvements in the operational efficiency, reliability and resilience of your systems, or you need an expert eye to provide design and project management of system upgrade works, you’ve come to the right place. Specialising in small to medium projects within larger organisations, we offer a progressive alternative to traditional consultancies.

High Voltage Specialist Services

High Voltage & Low Voltage Specialist Services

We provide a range of specialist design, project management, installation, maintenance and operational support services for industrial High Voltage and Low Voltage electrical systems.

Talk about your specialised High and Low Voltage requirements call us on +44 (0)28 9099 6040 or email

  • Studies: feasibility, protection, condition, load flow, earthing and more.
  • Capital budgets for modifying and reinforcing existing site distribution systems.
  • Developing maintenance strategies and plans
  • Maintenance of HV and LV switchgear, transformers and associated earthing and protection systems.
  • Operation and control of industrial HV and LV installations in accordance with Horizon Engineering’s Electrical Safety Rules, or your own.
  • Authorised Person (AP) support services to facilitate safe isolation and restoration of electrical distribution systems, including out-of-hours.
Mechanical Engineering Services

Mechanical Engineering Services & Facilities Management

We can provide a huge range of facilities management services.

To talk to us about your specialised Facilities Management requirements contact us on +44 (0)28 9099 6040 or

  • Maintenance: Shutdown and contract maintenance.
  • Systems: Air handling, dx air conditioning, chilled water, compressed air, lphw, mthw and steam, chp systems, building management systems (bms), energy management systems (ems).
  • Vibration monitoring
  • Efficiency surveys for optimisation and cost-saving realisation.
  • Development of procedures for corrective maintenance, preventive maintenance and standard operating procedures.
  • Engineer and technician placement.
  • F Gas Management
  • L8 testing and monitoring: helping you meet the requirements of the approved Code of Practice (acop) on water hygiene.
  • Indoor air quality surveys: helping you comply with the eec directive (workplace Health & Safety Welfare) Regulations 6, Section 33 on cleaning, testing and Maintaining Mechanical Ventilation Systems, including air conditioning systems.
  • Technical support and troubleshooting.
Cleanroom Validation

Cleanroom Validation

We provide cleanroom validation in compliance with ISO 14644 parts 1-4, IEST-RP-CCOO 6.3 IEST-RP-CC 34.2, ISPE baseline guides and EU cGMP guidelines (orange guide and Annex 1).

We can also help with documentation preparation and execution of your protocols.

To talk to us about your Cleanroom Validation requirements contact us on +44 (0)28 9099 6040 or

Building Services Commissioning & Management

Building Services Commissioning and Management

To talk to us about your specialised Building Services Commissioning and Management requirements contact us on +44 (0)28 9099 6040 or

  • Commissioning management: planning, scheduling, cost analysis and resourcing.
  • Design review.
  • Commissionability studies.
  • Installation verification.
  • Design and build of small scale and upgrade projects.
  • Troubleshooting and re-engineering of inefficient systems.
  • HVAC: AHUs, dust collectors, extract systems and recirculation booths.
  • Hot Water (HW) systems: boilers, process heat recovery and distribution systems.
  • Chilled Water (CHW) generation: chillers.
  • Clean and dirty steam: generation and distribution.
  • Instrument air and process air.
  • Pressure testing: duct and building
Energy Services

Energy Services

To talk to us on how our energy services could benefit your organisation contact us on +44 (0)28 9099 6040 or

  • Energy auditing.
  • Air change optimisation.
  • BMS setpoint analysis.
  • HVAC filtration optimisation.
  • Energy cost reduction projects.
  • Energy awareness programmes.
  • Monitoring and target schemes.
  • Alternative energy systems: feasibility, design and installation (biogas CHP and solar photovoltaic panels).
  • HVAC system upgrades and modifications.
Turnkey Design & Building Services

Turnkey Design and Build Services

We have significant experience in modifying, retro-fitting and optimising existing systems, and we have the unique advantage of being able to carry out detailed surveys on all operating and performance parameters of your existing system – a prerequisite for any system modification or upgrade.

For more information on our turnkey design and build services contact us on +44 (0)28 9099 6040 or



  • High/Low Voltage Electrical Specialist Services
  • Mechanical Engineering Services
  • Oxygen/Nitrogen/Hydrogen Generation
  • Cleanroom Validation
  • Building Services Commissioning & Management
  • Energy Services
  • Turnkey Design & Build Services
  • HV & LV Safety Systems Training
  • Mechanical Safety Systems Training

How can we help?

Specialising in small to medium projects within larger organisations, we offer a progressive alternative to traditional consultancies. If your answer to any of the questions is ‘yes’, we can provide bespoke solutions to suit the needs of your organisation.

  • Do you need to increase system capacity?
  • Do you have a problem with energy costs?
  • Are your systems not performing efficiently?
  • Do you have maintenance or reliability issues?
  • Do you need assistance with preparing a specification for mechanical or electrical system upgrades?
  • Do you need to commission or revalidate a mechanical or electrical system?
  • Do you need to evaluate the condition of existing mechanical or electrical systems or assets?
  • Do you require remote monitoring of mechanical or electrical systems?
  • Do you need assistance with the project management of new plant and equipment installations?
  • Has your parent company or an outside Regulatory Body told you that you have to change or upgrade a system, but you don’t know how?
  • Do you need assistance with preparing capital budgets and business cases?
  • Do you need assistance with the operation and control of mechanical or electrical systems?
  • Do you need specialist engineering training?

For more information about how we can help contact us today by calling +44 (0)28 9099 6040 or emailing

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