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ISOQAR ISO 9001, 18001, 14001

Ensuring Value in Procurement, Engineering and Delivery......


Long O Donnell Associates  is continually recognised as a world class consultant for engineering, programme management and commercial solutions within the energy,  infrastructure and Governmental sectors.

Providing consistently high results time and time again, we are today supporting many complex projects and programmes with our skills in design and engineering services, project and programme management, contract management, cost engineering and HSQE support.

It is our people that make this happen and we are extremely proud of our dedicated team in helping us achieve our vision.

At Long O Donnell Associates we continually strive to develop our people with the view that by developing our people we will develop our organisation. Our organisation is adaptable and flexible and our reputation within the industry is outstanding in recognition of the service we provide and our people wih provide it.








Our Online Portfolio

We have successfully undertaken a significant portfolio of major projects and programmes in the energy and infrastructure sectors throughout the world and provide details of these:


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Long O Donnell Associates are world class consultants within the Energy and Infrastructure sectors. Expert services include providing design and engineering, project delivery, commercial and contract services alongside health, safety and environmental consultancy to government, local authorities, owners, operators and their supply chains. Engineering Project Management and Commercial Services to the Energy and Infrastructure Industry Worldwide.