REA Seamus Carthy

REA Seamus Carthy Team

Seamus Carthy provides a professional and efficient Estate Agency practice and if you require assistance regarding any property matter, please do not hesitate to get in contact.

Seamus Carthy MSCSI MRICS


Seamus Carthy is a Board Director of Real Estate Alliance. He began his career in Dublin dealing with all aspects of commercial property with leading firm Harrington Bannon now known as BNP Paribas Real Estate.
Seamus then decided to move back to his roots and established his own firm REA Seamus Carthy in Castlerea, Co. Roscommon in 2001. He has since expanded and opened a 2nd office in Roscommon Town.
Seamus is a full member of the globally recognised Royal Institute of Chartered Surveyors and is also a member of the Society of Chartered Surveyors Ireland.
He is currently Chairman of the Real Estate Alliance Group (REA), with 55 offices Nationwide and fast becoming the leading Auctioneer and Estate Agent Group throughout the Country. REA ensure that all Agents are Members of the Society of Chartered Surveyors Ireland (SCSI), this means that your property needs will be managed in the upmost professional, ethical and transparent manner.
Seamus provides a comprehensive Consultancy Service and specialises in Sales & Lettings of Commercial & Residential Properties including Agricultural Land. Rent and Rates Reviews on behalf of both Landlords & Tenants, Compulsory Purchase Orders (CPO’s), Acquisitions, Residential & Commercial Valuations and Agricultural & Forestry Disposals and Appraisals.
Seamus is exceptionally client focused and professional. His clients include Private Individuals, Corporate Institutions, Banking Institutions, National Retailers and County Councils.
Seamus is a Registered Valuer which means that he adheres to the highest professional standards. By appointing an RICS Registered Valuer, you can be confident that you are working with regulated and qualified professionals.


Nuala Diffley REA Carthy

Nuala Diffley

Property Manager
Nuala joined REA Seamus Carthy in Q1 2018 2014, having worked in AIB for over 35 years.
Nuala has extensive experience and manages the Accounts Department and is also Compliance Officer of REA Seamus Carthy.
She is also Office Manager of our Roscommon Town office and ensures that the office is run efficiently.
Nuala understands that it is important from both a legal and compliance point of view that our Clients are looked after in the most ethical and professional manner.
Nuala is extremely resourceful and professional and a great asset to our Team.
Goff Street,
Roscommon Town,
Co. Roscommon
090 663 0001
PSRA Licence No: 002782 /

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