Ennis Bros Electrical Contractors

Ireland’s leading petrochemical Electrical, Instrumentation, Automation and Engineering Company.

about us

We at Ennis Bros provide a full turnkey specialist electrical & instrumentation support for clients in the Petrochemical industry.

With our depth of knowledge and experience of over 60 years, we are dedicated to provide the best service and quality levels, meeting the requirements of clients operations and facilities.

We offer service and reliability with highly skilled and trained teams which will provide solutions to our clients across all areas of Electrical/Instrumentation/Engineering.

We also provide factory automation and maintenance, pumping stations, commercial premises, food processing, inspection and testing, IT installation and terminating.


We are the industry leader when it comes to Petrochemical Installation and Automation Solutions.

PLC and Scada integration

We integrate plc and scada systems into new and existing processes to make complex systems user friendly. We are leading experts in design and implementation.

Explosive Atmosphere Inspection & Testing

Our expert periodic inspection team dedicate themselves to the highest standards and regulations to deliver high standard inspections.

Engineering Electrical

We at Ennis Bros pride ourselves with our long standing knowledge and experience in Electrical Engineering.  Together with our professional approach and our ability to meet any challenge, we have a strong reputation for our design and implementation. Here at Ennis Bros we always deliver to the highest standard, using a highly qualified, safe and systematic approach.


At Ennis Bros Electrical Contractors, our highly professional team excels in the design, installation, repair and maintenance of electrical works. Our expertise has been called upon time and time again for a range of large projects. Often working to tight deadlines we always deliver a high standard of workmanship which combined with using quality materials we ensure an installation that will stand the course of time.

Maintenance - Call out service

Ennis Bros offers  a wide variety of planned maintenance programs customised to meet your company’s needs and requirements with our highly skilled maintenance team. Our teams provide service programs that not only help keep your equipment running at peak efficiency, but also provide you with detailed service records that allow you to track maintenance, repairs and replacements.

The only place where you’ll get the perfect solution for all your industry needs.

The only place where you’ll get the perfect solution for all your industry needs.

Petrochemical SERVICES

We are the industry leader when it comes to Petrochemical Installation and Automation Solutions.

Power Analysis

We determine both the quality of your power supply, and whether or not you are utilising your electricity as efficiently as possible and can introduce measures to bring power quality to acceptable standards.

Automation & Instrumentation

Our multi-skilled engineering team have a wealth of experience across different industry sectors and can provide a complete process instrument and engineering solution. Applying the latest digital techniques to deliver projects smarter, faster and more cost effectively throughout Ireland.

Project Management

Allow our vast experience in the field to help you with your project and avail of expert knowledge, industry contacts, cost savings and delivery on time.


We ensure that the hazardous area zones in your facility or plant are identified correctly and the equipment within these zones meet all current industry standards. Our technicians are equipped with the latest technology in the industry in order to give our clients the best service.


We use infrared thermal imaging cameras to see and measure temperature differences. Infrared Thermography is non-contact temperature measurement technique and provides results through a non-intrusive process. 

Our clients

Petrochemical Solutions for leading brands in Ireland.

Need help with easier petrochemical industry solutions?
We are the experts in Ireland!

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