Simon Brien (North Down)

Simon Brien is Northern Ireland’s leading estate agency, boasting over 40 years’ experience and 45,000 properties transacted. The company operates in private residential and new homes sales, premier homes and country estates, as well as land sales and consultancy. Services also include lettings, property management, mortgages and financial services.

The company’s success is built on the traditional values of customer care, extensive experience and personalised service, all underpinned by world-class technology enabling operational and service excellence. 

In 2024, Simon Brien proudly joined Sherry FitzGerald Group, the largest estate agency in the Republic of Ireland, with more than 100 offices, including over 70 franchise locations. Sherry FitzGerald are the exclusive Irish affiliate to Christie’s International Real Estate. This partnership gives Simon Brien customers, selling luxury homes in Northern Ireland, unparalleled access to exclusive international markets via the Christies network.

What we do 

- Private House Sales
- Country Houses and Estates
- City Centre Apartments and Houses
- New Developments
- Development Land Sales and Strategic Consultation
- Farm Sales
- Private and Corporate Lettings
- Property Management
- Financial Services
- Auctions
- Corporate Recovery & Asset Management