CHOISIR LIMITED

Choisir Ltd is a chemical‑process and technical safety engineering consultancy headquartered in Ireland. Drawing on more than two decades of industry experience for each of its consultants and associates, the firm delivers practical, value‑adding support to multinational clients across a broad spectrum of sectors, from oil and gas (topside and subsea) and API‑driven biopharmaceuticals to chemicals, utilities, wastewater treatment, clean‑energy projects such as carbon capture and hydrogen, and food and beverage manufacturing.

The company’s core capabilities span three inter‑linked areas. In Technical/Process Safety Engineering, Choisir provides safety‑philosophy development, process safety management, consequence modelling, hazardous‑area assessments, ALARP demonstrations and functional‑safety studies (TÜV Rheinland certified). Its Process Support Engineering service covers plant layout and P&ID/PFD preparation, control‑system cause‑and‑effect analysis, alarm management, eMOC authorisation and plant‑modification design reviews from concept through to operation. Finally, the Equipment/Hardware Support team offers condition monitoring, troubleshooting, commissioning assistance, barrier‑testing plans and vendor management to keep plant assets running reliably.

By combining deep technical expertise with a collaborative, client‑focused approach, Choisir Ltd helps organisations mitigate risk, optimise processes and achieve safe, efficient operation of their facilities.