About
We de-risk your fuel systems and maximise the uptime of critical equipment
Fleury Engineering is based in Cork (Ireland) and serves customers both nationally and internationally.
Founded in 1999, we specialise in the filtration, separation and cleaning of fuels, oils and water. We focus on a proactive, preventative approach – fixing the root cause of a problem and not the symptoms.
Industry trusts us to offer a high-value, expert service that reduces environmental impact, reduces costs and protects reputations.


Our team of qualified, experienced staff delivers a professional and friendly service, and we have developed long-term relationships with many of our clients. We have been awarded ISO certifications in Quality (ISO 9001:2008) and Environmental (ISO 14001:2004) Management Systems.
We constantly monitor and improve our service, ensuring our customers an unrivalled level of security and value.
The Team
Mark Fleury
Owner and Managing Director
B.Eng Mech MIEI
A mechanical engineer with 20 years’ experience, Mark is the founder of Fleury Engineering.
Maeve Brassil
Finance Director
Maeve’s background in finance and international financial services keeps the business optimised and efficient.
Wesley Packham
Mechanical Engineer
B.Eng
Wesley is a mechanical engineer with 15 years’ experience. He is responsible for design and the day-to-day running of projects.
Deirdre Denman
Operations & Accounts
Deirdre runs the accounts and compliance side of Fleury Engineering.
John Murphy
Technicians
John specialises in fabrication and installations, and is also responsible for sampling and analysis.
David Preston
Technician
David manages our plant and equipment, as well as onsite services.
Evan Craig
Fitter
An experienced fitter, Evan is responsible for fabrication and installation in the workshop and on client sites.
Sean McCarthy
Electrical and Instrumentation Engineer
Sean handles all our electrical and automation design and installation.