About Us

CalX Instrumentation Services Ltd provide complete calibration management, instrument sales and fuel dispenser verification.

As part of the Ellab Group, CalX Instrumentation Services Ltd provide complete calibration management, instrument sales and fuel dispenser verification in Ireland. We provide services to some of the biggest Pharmaceutical, Medical Device, Dairy Processing, Food and Beverage and Manufacturing companies in the world. Our calibration management service offers 100% compliance and we guarantee audit readiness.

We are also Ireland’s largest provider of Verification Services on behalf of the Legal Metrology Service (NSAI) to fuel retailers.

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With offices based in Kells, Co. Meath, our team of highly experienced calibration, verification, quality, and admin personnel work with hundreds of customers nationwide ranging from very large multinational organisations to SMEs. Every team member at CalX is absolutely committed to providing our clients with a first-class service. Our response times are amongst the best in the business and our experience and knowledge guarantee that the job is done quickly and efficiently.

Our personnel are backed up by an extensive management team with many years of experience in the industry.

CalX Management

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Kevin Davis, Co-Owner & Director of Operations at CalX

Kevin began his instrumentation career in 1997 with Duncan Philp Instrumentation in Dundee working in the oil and gas and paper mill industries. He then completed his apprenticeship in Ireland with Hanley Calibration Services and was assigned various calibration roles nationwide eventually becoming a lead technician. Kevin established Eurotech Calibration Services in 2005 which over time became very successful providing their services to many medical device, pharmaceutical and food manufacturers and in 2012 became an authorised verifier for the legal metrology service (NSAI). Eurotech merged with Trefoil Controls in 2019 to form CalX where Kevin is co-owner and Operations Director.

Claire McMahon, Co-Owner & Director of People and Finance at CalX

Claire qualified in Business Management in 1997 and since then has had administrative roles in a number of companies as well as in the not-for-profit sector. In 2015 she set up Trefoil Controls Ltd in partnership with husband Willie and managed the administrative side of the business. When Trefoil Controls Ltd merged with Eurotech Calibration Services Ltd Claire became co-owner and Director of Finance & People where she provides strategic leadership for CalX’s business and finance functions, as well as overseeing the People department with a focus on encouraging and supporting company culture, creating and leading employee engagement and development programs, and implementing reward programmes to ensure CalX is a happy and fair place to work.

Willie McMahon, Co-Owner & Director of Sales and Marketing at CalX

Willie started his Instrumentation apprenticeship in Tara Mines, Europe’s largest lead and zinc mine, in 1994. He later joined ProsCon in their Dublin and Cork office as a calibration technician working on projects across pharmaceutical industries in Cork and Dublin. In 2001 he joined Honeywell’s Dublin office where he spent 14 years working in various roles across calibration management and product sales. During this time he has worked in many sectors including dairy processing, pharmaceutical, food manufacturing, and the power industry and more. In 2015 he set up Trefoil Controls Ltd, based in Co. Meath. Due to rapid expansion within the business, Trefoil Controls Ltd merged with Eurotech Calibration Services Ltd in 2019. Willie is co-owner and Sales and Marketing director for CalX.

Aoife Keaney, People, Culture and Talent Manager at CalX

Aoife was originally headed down the Secondary School Teaching route when she completed a Bachelors of Hons in Geography and Irish in 2016. She then decided to take a year out where she worked in the Cavan Crystal Hotel full-time. She went back to her studies in 2017 to complete a Masters in Human Resource Management. Aoife worked as a Learning and Development Administrator in a Food Manufacturing company before joining CalX in January 2020. 

Aoife is part of the Management Team in CalX. Her role at CalX involves recruitment, onboarding of new hires, conducting annual performance reviews, developing, and maintaining people operating policies, maintaining employee and workplace privacy, processing employee queries / relations and responding within a timely manner, driving employee welfare and company culture, payroll and ensuring employee & training records are maintained. She manages our Human Resources Information System – HR Duo. She is also a part of the Marketing Team. 

Paula McNicholas, Quality Manager and H&S Coordinator at CalX

Paula qualified with a BEng in Electronic Engineering in 2003. She worked in Electronic repairs in the telecommunications industry for 2 years before going on to work as a manufacturing technician in Intel. Paula then worked as a calibration technician in the pharmaceutical industry with Pfizer for 8 years. During this time she was involved in a variety of projects including a lab and processes for digital pH measurement, and migrating to a new calibration software across the whole site. In 2019 Paula joined CalX as a calibration technician and where she developed a workshop for in-house calibrations. In 2021 she became Quality Manager and H&S Coordinator.

Rachel McManus, Customer Relations Manager at CalX

Rachel MacManus joined Eurotech back in 2013. Prior to this, she completed a Level 5 Business Studies course followed by a Level 6 Payroll and Book-keeping course. She completed a wide range of activities some of which include running the efficiency of the office, payroll, helping to schedule the technicians and leading the Quality Audits.

Rachel went back to education in 2020 where she completed an online QMS Lead Auditor course based on ISO 9001:2015. She then completed a Level 7 Management and Leadership Course in 2022. Rachel is part of the Management Team at CalX as a Customer Relations Manager. Her role involves onboarding new clients, overseeing customer portals – ensuring all documentation is up to date, managing the Verification Department, ensuring the Goods Handling team run efficiently. She handles all customer queries and is the owner of our Job Management System – FieldMotion. She also assists the Quality Manager as and when required.

Paul Heffernan, Service Manager at CalX

Paul qualified with an Honours BEng in Mechatronics in 2017. He worked with Kevin Davis in Eurotech Calibration Services in 2016 & 2017 as a calibration technician in field service and in a medical device company in Dublin. He went on to work with Willie and Claire McMahon in Trefoil Controls Ltd in 2017 as a senior calibration technician for field service working in many sectors including dairy processing, food manufacturing, the power industry and pharmaceutical. With the merger of Eurotech Calibration Services and Trefoil Controls Ltd in 2019, he worked as a senior technician for CalX and helped with the transition to CalX and migrating to a new calibration software and procedures. Paul became Service manager in the summer of 2020 where he managed various shutdowns and projects.


What some of our CalX clients say ...

Contact our Service Team to discuss your calibration needs.

Email: info@calx.ie

Phone: 0818 250 250

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