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.

What the future holds

Expansion of Locations and Services
We have set our sights on significant network expansion, with ambitions for the launch of a Simon Brien franchise model to accelerate our growth throughout Northern Ireland. A comprehensive suite of estate agency services will be offered, including residential sales, new homes, commercial, lettings, and financial services.

Cutting-edge Technology
Our commitment to continuous innovation and improvement is central to our philosophy. The adoption of world-class technology to enable an improved customer experience is at the heart of our operational excellence. Leveraging cutting-edge technology platforms, Simon Brien customers can expect significant digital advancements, delivering an informative, transparent and customer-centric experience, every time.

International Reach
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.Affiliates are selected for their success in luxury property sales and their ability to meet strict standards of excellence.



Continued Service Excellence
We remain ambitious, for our clients and for our business, and strive to be the most trusted property advisors, creating exceptional value and delivering the best possible property experience. Our business is about property and people. We are dedicated to reinforcing our leadership position in the market, striving to become the leading estate agency brand in Northern Ireland.