About us

Since 1991, ORS has led the way in anticipating and responding to diverse client requirements in the construction industry.

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Time and experience have enabled us to create significant additional value in our projects with the blending of nine distinct, specialist design and build services.

This multidisciplinary approach uniquely includes civil and structural engineering, project management, infrastructure, health and safety, building surveying, assigned certifier, fire safety, energy management, environmental services and mechanical and electrical engineering. Over the decades, we have developed trusted, lasting partnerships with our property developer, international project funding agency, local authority, government agency and private clients. Our end-to-end project collaboration with stakeholders, architects, design teams
and contractors ensures excellent, innovative solutions.

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Our Success

Our success is made possible by our invaluable, industry-leading team of designers, consulting engineers, planners, scientists and surveyors. Sustainability is proudly at the heart of every ORS project.



We strive to be global leaders in how we care for our team, how we serve our clients and how we impact our people, partners and communities.



Uncompromising in both results and value, we deliver quality that’s sustainable. We love to learn and we’re first to lead. We listen and speak thoroughly, openly and honestly.



We endeavour to make the lives of our team, clients, partners and communities happier and better in the ways that really matter every single day.


Founded on the
principles of value

ORS is committed to the highest industry standards in quality, efficiency and performance. We dig deep with our clients and stakeholders to honour their objectives and specifications and bring their vision to life.

We provide the utmost assurance in compliance with industry regulations and constraints. Our cutting-edge building technologies and multidisciplinary expertise enable us to adapt to change and successfully connect, collaborate and engage at every level. We ensure complete and seamless connection and coordination between the client, stakeholders and our multi-skilled project team members.

Our Accreditations

Our external awards and accreditations attest to our world-class multidisciplinary solutions and our people-first approach.

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List of awards

We are highly
accredited in
our industry

Engineers Ireland CPD Accredited Employers Award

Our current exclusive Engineers Ireland CPD Accredited Employers award is held until 2025.

Best Workplace Ireland

For the sixth year running in 2024, ORS was named a Best Workplace by Great Place to Work, taking home the GPtW Team Award in recognition of our Cultural Development Team.

Best Company to Work For at the Irish Building & Design Awards

We received the Best Company to Work For award at the 2024 Irish Building & Design Awards.

Mental Health & Well-Being Initiative of the Year at the Irish Building & Design Awards

We received the Mental Health & Well-Being Initiative of the Year at the Irish Building & Design Awards 2022.

Irish Construction Industry Awards

We were finalists in the Irish Construction Industry Awards in the categories of Irish Consultancy of the Year and Engineering Practice of the Year in both 2021 and 2022.

ISO Accredited

ORS is ISO certified to the highest level under the following three standards – ISO 9001, 14001 and 45001.

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Achieving Engineers Ireland CPD Accredited Employer standard again for another three years is a massive achievement for ORS. CPD is vital in ensuring our team is continuously innovating and adapting to reflect the ever-changing environments in the construction industry. The accreditation process has proven very beneficial in driving the continuous improvement of our CPD initiatives, and cementing our mission to deliver sustainable solutions for our clients, and creating a supportive workplace for our people where they are encouraged to work and learn.

David McCormack

Director — ORS

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CPD Programme

We have carefully designed our CPD programme to support the advancement of each of our skilled professionals.

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At ORS, sustainability informs every decision and action we take. Further to ensuring long-term business success and resilience, this benefits our economy, society and the environment.



We give back to our communities so people can thrive where they live and work.



We collaborate to create responsible lifestyle solutions that solve, improve and innovate.



We respect and nurture our teams so they can continue to build a brighter future.

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Talk to A specialist

Great projects start with great relationships. Have a project in mind? Contact us.

Contact us

Block A, Marlinstown
Business Park, Mullingar,
Co.Westmeath, Ireland.
N91 W5NN

Pembr, 127 Baggot Street Lower, Baggotrath Dublin, D02 F634

Eyre Square,
H91 HY51

Office 4, Spencer House,
High Road, Letterkenny,
Co. Donegal,
Ireland. F92 PX8N

Republic of Work,
12 S Mall,
Centre, Cork,
T12 RD43

ORS has satellite offices in Newry and Maynooth.

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