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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.

Meet The Team

Find out why we are the market leaders in Northern Ireland

Simon Brien

FNAEA Managing Director Learn More

Samuel Dickey

MRICS BSc (Hons) Director Learn More

Karen Wilson

BA (Hons) Chief Business Officer Learn More

Gordon Black

MNAEA Land and New Homes Learn More

Barbara Nelson

Sales Negotiator & Office Manager Learn More

Anna Perry

Senior Sales Negotiator Learn More

Nicola Tann

FRICS, BSc Est Man Residential Sales Learn More

Jess Brien

Marketing Specialist Learn More

Steven Ramsey

MNAEA Residential Sales Learn More

Ryan McAvoy

AssocRics Branch Manager / Valuer Learn More

Grace Drury

Property Management Learn More

Roy Chan

Accounts Assistant Learn More

Colin Hagan

MAAT Accounts Assistant Learn More

Jack Burns

Property Manager Learn More

Glenn Massey

Financial Accountant Learn More

Glenda Sanderson

New Homes Consultant Learn More

Patrick Cusack

Property Manager Learn More

Cori Dillon

Viewer / Sales Negotiator

Luca McLaughlin

Accounts Assistant

Roddy Joyce

Property Manager
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