A man in a suit and tie is smiling in a black and white photo.

Brian Cassidy

MRICS MSCSI

Quantity Surveyor

Brian is a Chartered Quantity Surveyor based in our Sligo office. He graduated with an honours degree in Quantity Surveying and Construction Economics from Galway-Mayo Institute of Technology in 2021 and joined Tom McNamara & Partners that year. He became a Chartered Member of the Society of Chartered Surveyors Ireland in July 2026.


Since joining the practice, Brian has gained broad experience across residential, commercial, conservation and restoration, public-sector and education projects throughout Ireland. He is involved in all stages of project delivery, including cost planning, procurement, tender assessment, contract administration and construction-stage cost management.


Brian combines strong technical and commercial skills with a practical, collaborative approach, supporting clients and project teams in achieving cost certainty, value for money and successful project outcomes.

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