Archaeological Consultancy Services Unit Ltd

Archaeological Consultancy Services Unit (ACSU) is Ireland’s longest‑running commercial archaeological practice, drawing on more than three decades of experience delivering high‑quality archaeological projects across the island. Whether a local authority, a government agency, a construction firm or a private client, ACSU provides a full suite of specialist services designed to protect and interpret the past while supporting modern development.

The company’s core offerings include archaeological monitoring, desk‑based and environmental impact assessments, built‑heritage and visual impact surveys, and a range of field techniques such as geophysical surveys, test and full excavations, Wade/river assessments and metal‑detection surveys. ACSU also delivers digital heritage solutions and scientific analyses through osteoarchaeology and zooarchaeology, ensuring that every site is recorded and understood to the highest standards.

Backed by a team of senior archaeologists with extensive experience on major infrastructure schemes—from motorways and bypasses to water‑supply projects—ACSU combines rigorous scientific methodology with a collaborative, client‑focused approach, guaranteeing that each project is managed efficiently and responsibly.