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ORS is a leading Irish multidisciplinary building consultancy, providing expertise across ten core areas of civil and structural engineering, project management, infrastructure, health and safety, building surveying, assigned certifier, fire safety, sustainability, environmental management and mechanical & electrical engineering. With over 300 highly skilled professionals across the Group, including designers, consulting engineers, planners, architects, surveyors, scientists, and property specialists, we deliver integrated solutions for projects of all scales and complexities.
ORS operates on a nationwide basis, with teams located across multiple regional offices throughout Ireland. This geographic spread enables us to support clients locally while drawing on the depth of expertise and resources of a fully integrated national consultancy. Our structure allows us to deploy appropriately resourced teams to projects across the country, ensuring consistent service, responsiveness, and expertise in local authority processes, regional planning, and stakeholder management.
ORS is one of an exclusive number of Engineers Ireland CPD Accredited Employers in the country, a certification we have held since 2017. We also hold corporate memberships with Engineers Ireland (EI) and the Association of Consulting Engineers Ireland (ACEI). The firm was recognised as one of the top three Best WorkplacesTM in the medium-sized category at the Great Place to Work awards 2025. This marks our seventh consecutive year of recognition and reflects our people-first culture and continued focus on quality and ambition. ORS is also one of a small number of Irish companies certified to ISO 9001, 14001, and 45001 standards.
At ORS, we are committed to maintaining the highest standards in training, technology, and project delivery. Our teams use the latest tools and platforms to work efficiently and accurately, while our approach remains grounded in practical, commercially focused project management, clear communication, and adherence to client deadlines and requirements.
We work with a wide range of clients, including property developers, international project funding agencies, local authorities, government agencies and private clients. We place strong emphasis on building long-term relationships, collaborating closely with architects, design teams, contractors, and property owners to deliver effective and innovative solutions for every project. This combination of technical depth, commercial awareness, and a flexible, relationship-led approach sets ORS apart in the Irish consultancy market.
Our mission at ORS is to design and build a better world by delivering sustainable solutions for our clients while fostering a supportive, inclusive workplace for our people. This mission informs our decisions, how we work with clients, and how we invest in our teams. We grow responsibly, enhancing both the communities we serve and the lives of our employees and their families.
ORS is guided by a clear set of core values: People-first, Quality, Flexibility, Relationships, and Ambition. These values shape how we work—with our clients, our partners, and each other—driving high standards, trusted relationships, and a shared commitment to continuous improvement and
long-term success.
Why work with us
Multidisciplinary Expertise
A leading Irish building consultancy offering integrated services across ten core disciplines, enabling seamless delivery on projects of all sizes and complexities.
Depth of Scale and Experience
Over 300 highly skilled professionals, including engineers, designers, planners, architects, surveyors, scientists and property specialists, working collaboratively to deliver joined-up solutions.
Nationwide Reach, Local Insight
Teams based across regional offices throughout Ireland, providing responsive local support backed by the resources and expertise of a fully integrated national consultancy.
Quality Assured and Industry Recognised
One of a select group of Engineers Ireland CPD Accredited Employers since 2017, with corporate memberships of EI and ACEI, and certified to ISO 9001, 14001 and 45001 standards.
Award-Winning People-First Culture
Recognised as a top three Best WorkplaceTM (medium category) at the Great Place to Work Awards 2025, marking seven consecutive years of national recognition.
Commitment to Excellence and Innovation
Continuous investment in training, technology and best-in-class tools, combined with practical, commercially focused project management and clear communication.
Trusted by a Diverse Client Base
Extensive experience working with developers, funders, local authorities, government bodies and private clients across a wide range of sectors.
Relationship-Led Approach
A collaborative way of working that builds long-term partnerships with clients, architects, design teams and contractors to deliver effective, innovative outcomes.
Purpose-Driven and Values-Led
Guided by a clear mission to design and build a better world, underpinned by core values of People-First, Quality, Flexibility, Relationships and Ambition.
