Founded in 1991, ORS is a leading Irish consultancy in construction and engineering, dedicated to delivering excellence in building consultancy services. Renowned for our strong reputation and extensive expertise, we specialise in innovative, multidisciplinary solutions that optimise design, construction, and project delivery.
Our team of over 200 highly skilled professionals provides a comprehensive range of services, including civil and structural engineering, project management, infrastructure, health and safety management, building surveying, assigned certifier, fire safety, sustainability, environmental services, and mechanical and electrical engineering. From initial concept to completion, we ensure each project is executed with precision and meticulous attention to detail, always committed to client satisfaction and sustainable practices.
ORS is proud to be recognised and accredited by respected industry bodies and awards programmes:
From 2023 to 2024, ORS achieved exceptional growth with a 63% increase in gross revenue turnover.
Our headcount growth since 31st of Dec ’23 to 31st of December ’24 is a staggering 41%.
Since August 2023, ORS has acquired six companies to complement our current service offering. We have added a planning and architecture division and acquired two fire engineering firms. ORS is now the largest fire engineering provider in Ireland.
Engineers Ireland CPD Accredited Employer since 2017 (reaccredited in 2025 for an additional 3 years).
Excellence in Recruitment & Retention (2024)
Best People Development in Engineering (2024)
Certified to international standards ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Health & Safety) since 20217
Named ‘Best Company to Work For’ at the Irish Building and Design Awards 2025 for the second year running
Recognised by Great Place to Work® for the 7th consecutive year in 2025 as one of Ireland’s Best Workplaces (Top 3 in the medium size category
Winner of the Health & Wellbeing Award at the Irish Building and Design Awards 2022
Honoured for our cultural development team at the 2024 Great Place to Work Awards
ORS has an unrivalled track record in service delivery for leading organisations, including Glenveagh, Tesco, GAMA, Lidl, Bannon, Meta, and SEAI. Our turnkey solutions enable us to survey, design, and build projects nationwide, mobilising our expert teams to deliver exceptional results every time. Our ethos centres on an unwavering commitment to achieving the highest quality for our clients. We approach every project 4with the same dedication, consistently going above and beyond to ensure successful, on-time, and on-budget delivery.