Building on a Legacy of Excellence.

With roots dating back to 1974, Collins Building & Civil Engineering has evolved from Dick Collins (Croom) Ltd into a respected leader in construction across Ireland.

Our expertise spans general construction, civil engineering, conservation, and fit-out projects, always delivering with precision and professionalism. Explore some of our featured projects here to see the quality and diversity of our work.

Now led by the O’Mahony family, we continue to build on our legacy of trust, quality, and client satisfaction.

Our Commitment to Quality, Health & Safety, and the Environment

At Collins Building & Civil Engineering, we operate under strict policies designed to ensure the highest standards of quality, health & safety, and environmental responsibility. These principles guide our operations and are central to every project we undertake, regardless of size or complexity.

Julian O'MahonyManaging Director
Cian Julian O'MahonyDirector
Jimmy HouriganSenior Quantity Surveyor
Jerome MacCarthySenior Civil Engineer
Alicia HoganSenior Quantity Surveyor
Ann BarnesOffice Administrator
Jimmy GreeneForeman / Carpenter

Partner with experts who’ve been building trust since 1974.