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We are a multi-disciplinary ESG, Technical Advisory and digitalisation consultancy with specialist expertise in the real estate, property and construction sectors. We drive performance improvements in ESG, quality and asset safety for our clients which supports our vision of a greener, safer built environment. Since 2012, we've helped clients across Europe respond to new legislation and navigate new regulations such as the Building Control Amendment Regulations (BCAR) in Ireland, the Building Safety Act in the UK and the EU Taxonomy. We are proud to serve clients globally from our offices in Ireland, the UK, Spain and Italy.

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The Catalyst annual revenue was $11.9 million in 2026.

Eoin Leonard is the CEO and Founder at Catalyst | obi®️ of Catalyst.

76 people are employed at Catalyst.

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