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Overview

We’re pleased to share that O’Callaghan Moran (OCM) has officially joined the ORS Group. OCM remains the same trusted environmental consultancy it has been since 1997, with the same expert team, delivering the same high-quality service our clients have always relied on.

Now, as part of ORS, OCM clients will also benefit from access to a wider range of services and national expertise. ORS is one of Ireland’s leading multidisciplinary consultancies for the built environment, offering a full suite of services across environmental consultancy, civil and structural engineering, building compliance, M&E engineering, fire safety, project management, health and safety, and more.

This partnership allows OCM to maintain its specialist focus while gaining the operational support and resources of a larger consultancy, helping us grow, innovate, and continue to deliver exceptional value. We look forward to continuing to support your environmental consultancy needs, now with even more behind us.

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ENVIRONMENTAL SERVICES

Same expert team, same trusted service, strengthened for the future.

Contaminated Land Assessment & Remediation

We deliver specialist services in the investigation, assessment, and remediation of contaminated land. Our team conducts qualitative and quantitative risk assessments and designs tailored remediation strategies to support the safe redevelopment of brownfield and historically impacted sites.

Environmental Impact Assessment (EIA)

Our team prepares high-quality Environmental Impact Assessment Reports (EIARs), specialising in Land & Geology, and Water. We ensure compliance with EU and national legislation, supporting the planning and permitting of complex projects across various sectors.

Hydrogeology & Hydrology

We provide hydrogeological and hydrological assessments to support planning, licensing, and environmental compliance. Our services include the design and implementation of site investigations, groundwater monitoring, and impact assessments to evaluate and manage water-related risks across a wide range of projects.

Environmental Due Diligence

We support clients with environmental due diligence assessments for acquisitions, divestitures, and asset management. Our services include Phase I and Phase II site assessments, planning and regulatory compliance reviews, and environmental risk evaluations to inform investment and development decisions.

Regulatory Approvals

We prepare and manage applications for a wide range of environmental consents, including Industrial Emissions (IE) and Integrated Pollution Control (IPC) licences, Waste Facility Permits, Certificates of Registration, and Article 28 and 27 submissions. Our team ensures that all submissions meet EPA and Local Authority requirements, facilitating timely approvals.

Environmental Compliance & Monitoring

We deliver comprehensive environmental compliance services, including ongoing environmental monitoring, regulatory audits, and the preparation of key documents such as Decommissioning Management Plans and Environmental Liability Risk Assessments. Our work supports clients in maintaining compliance with EPA and Local Authority requirements across operational and legacy sites.

Environmental Leaders

Key Contacts

  • Luke Martin | Director Environmental Services
    Group 8501 2
    View Bio
    Luke Martin

    Director

  • Oisín Doherty
    Group 8501 2
    View Bio
    Oisín Doherty

    Associate Director

  • Damian Kenny Commercial Manager
    Group 8501 2
    View Bio
    Damian Kenny

    Director

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,
N91 W5NN

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

Platform 94, Mervue Business Park,
Wellpark Rd,
Galway,
H91 D932

Office 4, Spencer House,
High Road, Letterkenny,
Co. Donegal,
F92 V8XC

Unit W9B,
Ladytown Business Park, Naas,
Co. Kildare,
W91 PC62

ORS has satellite offices in Tullamore, Maynooth and Dún Laoghaire.

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