What We Do

At O’Neill O’Reilly & Associates, we provide trusted, professional consulting engineering services across Ireland, helping homeowners, buyers and developers make confident, informed decisions.

Our team of Registered Engineers and Building Consultants delivers expert insight, practical advice and detailed technical reporting for every stage of your property journey — from purchase to design and construction.

Our Core Services

Pre-Purchase Surveys & Building Inspections

We assess houses and apartments before purchase, identifying defects, structural issues and maintenance concerns so you can make an informed decision.

Engineer’s Reports & Structural Assessments

We prepare clear engineering reports for mortgages, planning, insurance claims and disputes, with practical recommendations where defects are found.

Architectural Design & Planning

We provide architectural design and planning services for residential and commercial projects, including retention and compliance support.

Structural Engineering Design

We design safe, efficient structural solutions for new builds, extensions and renovations, working closely with clients and builders.

Expert Advice & Consultancy

We offer clear, independent advice for buyers, homeowners and developers dealing with property or building issues.

Why Choose Us ?

Registered Engineers

All reports and designs are prepared by qualified Registered Engineers with Irish experience and accreditation.

Detailed, easy-to-understand reports

We deliver clear, concise reports that explain the findings and options in plain language.

Local expertise

We understand property, planning and construction across Ireland.

Personal service

You’ll deal directly with experienced professionals who take the time to listen and deliver the right solution.

Contact us

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!