M.J. DUNCAN & SONS LIMITED

MJ Duncan & Sons Limited is a family-run construction specialist founded in 1998 by Michael and Rachel Duncan. Drawing on more than two decades of experience, the firm delivers high-end finishes across residential, commercial and heritage projects, working from the initial design concept right through to final completion.

The company's core services include bespoke residential fit-outs-tailoring each new build or renovation to the client's individual character while balancing cost, quality and engineering innovation. In the commercial arena, MJ Duncan & Sons manages tight deadlines and budgetary pressures through meticulous planning and programming, ensuring premium results without compromise. As heritage contractors and proud members of The Irish Georgian Society and the CIF heritage contracting division, they also restore protected buildings, applying best-practice conservation techniques to return historic structures to their former glory.

Based in Dublin and active throughout the capital and the surrounding counties of Leinster, MJ Duncan & Sons combines a wide network of industry experts with a collaborative, safety-focused approach, offering clients peace of mind and a consistently high-quality finish.