MCCARTHY KEVILLE O'SULLIVAN LIMITED

MCCARTHY KEVILLE O’SULLIVAN LIMITED (MKO) is Ireland’s largest dedicated planning and environmental consultancy. With a team of more than 200 experienced professionals spread across two offices in Galway and Dublin, the firm delivers multidisciplinary solutions that tackle the defining challenges of our time – from climate change and biodiversity loss to the growing demand for renewable energy, sustainable transport, housing, healthcare and education infrastructure.

MKO’s 14 specialist teams combine expertise in planning, environmental assessment, ecology and related fields to secure planning permission, provide ecological input and manage complex, high‑value projects for a diverse client base. Notable recent work includes the Ardderroo Wind Farm in County Galway, the mixed‑use Crown Square development in Mervue, and student accommodation for the University of Galway.

By blending a people‑focused culture with a proven track record of success, MKO adds real value at every stage of a project, offering customised, end‑to‑end consultancy that meets the needs of modern society while building a legacy of sustainable development.