JOSEPH A. CLANCY LIMITED

Joseph A. Clancy Limited (JAC Ltd) is Ireland’s specialist engineering firm dedicated to the design, installation, testing and certification of lightning‑protection and earthing systems. Drawing on almost 35 years of experience, the company’s team of certified design engineers adheres to the International IEC 62305 and European EN 62305 standards, ensuring that every solution is safe, fully functional and fully certifiable.

JAC’s core services cover both internal and external lightning‑protection systems, from initial design through to annual maintenance proposals. The firm supplies a comprehensive range of high‑quality products—including the PT205, JAC/919828‑FU and a suite of ESP series components—through long‑standing partnerships with Furse UK and ABB. In addition, JAC runs a full training programme for electrically qualified installers, reinforcing its commitment to industry best practice and reduced liability for clients.

Based in Ireland, with a notable presence in Dublin, JAC serves a diverse clientele that includes engineering consultancies, construction firms and infrastructure owners. Clients value the company’s blend of technical expertise, commercial insight and a genuinely supportive approach that goes beyond the sale to deliver projects that meet the highest standards of compliance and safety.