O'Sullivan Macfarlane Environmental Consulting

About us

OSM Environmental Consulting are Environmental Consultants in Belfast, (Mallusk Enterprise Park) specialising in Contaminated Land Assessment, Flood Risk Assessment Northern Ireland, Drainage Assessment and Waste Management.

Based in Mallusk, we work across Northern Ireland as Environmental Consultants. Our expert team of environmental consultants combine various specialisms and over 20 years of industry experience and regulatory work at NIEA (Northern Ireland’s Environmental Regulatory body) to navigate the system efficiently. Across the UK, ROI and Northern Ireland, environmental consultants from OSM are trusted to produce accurate, science-based results for clients of all scales and requirements.

Our team of professional Environmental Consultants (Northern Ireland) are members of the Institute of Environmental Science (IES) and the Chartered Institute of Waste Management (CIWM) and continually engage with research to stay at the forefront of professional practices. Based in Mallusk, Belfast, our Environmental Consultants Northern Ireland also work across the UK and Ireland, focussing in particular Contaminated Land, Flood Risk Assessment Northern Ireland, Drainage Assessment and Waste Management and provide in-house technical expertise in these areas.