James Oliver Hearty and Sons


UK and Ireland

(UK) TEl: (028) 30868 583

(ROI) TEl: (048) 30868 583

LATEST NEWS: Progress going well at the conservation works to Rathfarnham castle... JOH secure major Watermain Upgrade contract with Irish Water in Westmeath!!

Welcome to JOH Engineering and Building Contractors

James Oliver Hearty and Sons is a family owned, privately run business with over 50 years of experience in the Engineering sector. Originally founded in 1961 as McGuiness and Hearty, the company was later restructured forming the modern day JOH and Sons.

The firm has developed an array of skills through successful completion of innumerable projects. From humble beginnings in the Utilities, Building and General Civils division the company has continued to diversify expanding into the Marine and Trail building quarters. We pride ourselves in our ability to work cohesively, meeting challenge with innovation whilst delivering on promises to clients. Our company aim is to continue to deliver sustainable engineering with further growth and diversification.

Our Expertise:

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