
VCR Registration Number: 140174
Registered Until: July 01 2026
H. A. O’Neil Ltd is one of the largest and the longest serving building services contractor in Ireland, the original company was founded in 1890 by Harry O’Neil. H. A. O’Neil was acquired by Jones Engineering Group and is a wholly owned subsidiary; The Group currently employs 2,000 people with a turnover of €300 million per annum and a training budget of €2million. Jones Engineering is currently working throughout Ireland, UK, Europe and the Middle East. Our intention is to remain at the forefront of our industry by providing quality service within schedule and budgetary constraints, developing innovative systems and strategies for the future and continuing to build upon the engineering and technical excellence which has long been associated with Jones Engineering Group A large number of our clients continue to do repeat business with us which is testament to the quality work we provide.
Phone: 01 4749800
Email: sguilfoyle@joneseng.com
Website: www.joneseng.com
Area of Operations: National
Main Registration Category:
Building Services Contractors
Mechanical / Plumbing and Heating Contracting