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Driving Sustainability: New Appointments and Milestones for OSA




At Optimal Sustainability Advisors (OSA), we’re pleased to share updates on some exciting recent appointments that reflect our growing expertise and commitment to delivering sustainable solutions across diverse sectors.


Dunloe Hotel & Gardens – Leading the Way in Sustainable Hospitality

We are proud to be appointed as sustainability advisors for the refurbishment and new build of the 5-star Dunloe Hotel & Gardens, a renowned property within the Liebherr Group portfolio. Our colleagues at Passive Dynamics will be acting as LEED consultants on this ambitious project. Once completed, the Dunloe Hotel will stand as one of the few hotels in Ireland to achieve LEED Gold certification—the highest standard of excellence for green building under the LEED Building Design and Construction Hospitality scheme.


ESG and Taxonomy Expertise for the Land Development Agency

OSA is honoured to take on the role of ESG and EU Taxonomy advisors for the Land Development Agency, a pivotal organisation in shaping Ireland’s built environment. This appointment highlights our capability to align sustainable practices with regulatory frameworks, ensuring long-term value creation.


Strategic Partnerships Fueling Growth

Our ongoing growth is supported by strategic partnerships with Malone Group, Kosmos, and Smart Power, expanding our reach and enhancing our expertise across multiple industries.


Underpinned by Decades of Experience

Our sustainability expertise is built on a foundation of over 35 years’ experience in construction delivery, project and development management, and facilities and asset management. These capabilities enable us to offer holistic sustainability solutions that address environmental, social, and economic considerations.

At OSA, we remain committed to driving sustainable innovation and excellence across all our projects, working collaboratively with our partners to deliver lasting impact.






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