©Trefoil Controls Ltd. 2019

Customer focused company with a client base in Ireland and abroad providing high quality instrumentation and calibration management services.

2019 Shortlisted Finalist for the SFA Small Business Awards in the Outstanding Small Business Category

2018 Irish Maintenance and Asset Management Society Awards Winner for Technical Excellence in Maintenance

“Their professional approach to business is first class and at all times their employees are helpful, courteous and easy to deal with.”

Brian McGovern, Operations Manager, Bio-Marine Ingredients Ireland Ltd.


Trefoil Controls Ltd supply instrumentation and test equipment to meet your requirements. With access to a selection of agencies and manufacturers, we can help you engineer solutions to meet your needs. 


Trefoil Controls Ltd can provide a calibration program to meet your process and regulatory needs delivering calibration solutions with professional high quality test equipment, traceable to national and international standards.