Ciaran O'Leary Head of ESG & Sustainability


Consultant Partner

Founded in 2012, Catalyst is an ESG, Technical Advisory and digitalisation consultancy with specialist expertise in the real estate, property and construction sectors. We drive performance improvements, maximising opportunities, and minimising risks, in ESG, quality and asset safety for our clients who include property developers, real estate funds and multi-national corporations. Our ESG consultancy supports clients from strategy to implementation, at corporate, fund, portfolio and asset level leveraging on green buildings certifications, expertise on EU and national sustainable finance (Taxonomy, SFDR, CSRD, etc.), developments of net-zero pathways and social impact advisory. Our aim to help deliver a greener, safer built environment. We are proud to serve clients globally to help deliver a greener, safer built environment from our offices in Ireland, the UK, Spain and Italy.

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