ACEI is the Association of Consulting Engineers of Ireland, a voluntary and self-regulatory professional body established in 1938. They represent firms and individuals engaged in Consulting Engineering and serve as the voice of the Consulting Engineering profession in Ireland. ACEI assists in resolving important issues for clients and consultants and contributes to the development of public policy.

They set high benchmarks for the Consulting Engineering Profession in Ireland and promote best practices, sustainability, and ethical behavior among their members. ACEI represents individuals and firms that offer independent intellectual services in the built, human, and natural environment. They maintain a high professional reputation and ethical standards while providing high-quality services to clients.

ACEI is actively involved in lobbying, liaising with government departments, and consulting on issues affecting the profession and construction industry as a whole. They organize regular seminars and training courses for Continuing Professional Development. ACEI membership is a mark of quality and the ACEI logo is displayed by members as a symbol of excellence.

ACEI is also affiliated with international organizations, EFCA and FIDIC