O'Neill Architects Ltd
Registered in Ballsbridge, Co. Dublin
O'Neill Architects Ltd is a private company limited by shares registered in Ireland on 16 January 2018 (company number 618873), based in Ballsbridge, Co. Dublin. Current status on the CRO register: Active. Its website is oneillarchitecture.com.
Registry facts
Important Dates
Industry Classification (NACE)
Registered Address
33 PEMBROKE ROAD
DUBLIN 4
BALLSBRIDGE, DUBLIN, IRELAND
D04A9K0
Additional business information
Contact details, websites, social profiles and summaries are gathered from public web sources. They are not CRO registry fields.
Contact Details
Company Website
Business summary
O’Neill Architects Limited is a boutique architectural practice based in Nenagh, Co. Tipperary, specialising in residential design that blends contemporary comfort with a deep respect for Ireland’s built heritage. Whether you are adding an extension, re‑configuring an existing home, or embarking on a brand‑new build, the studio offers a “Design Clinic” service that guides clients through every stage of the design process, helping to shape spaces that are both functional and inspiring.
Beyond new‑build and extension work, O’Neill Architects provides expert condition and conservation reports for pre‑contract purchases and protected‑structure planning applications, drawing on a Grade III accreditation in conservation. Their “Healthy Flowing Homes” programme further distinguishes the practice, integrating natural, healthy building materials and thoughtful spatial flow to create tranquil, harmonious interiors. The firm’s portfolio includes award‑winning projects such as thatch‑cottage restorations, town‑house refurbishments and accessible two‑storey extensions, and its work has been featured on national television and at RIAI and Irish Georgian Society exhibitions. O’Neill Architects is therefore well‑suited to homeowners seeking a personalised, stress‑free journey from concept to completion.
About O'Neill Architects Ltd
O'Neill Architects Ltd was registered in Ireland on 16 January 2018. The CRO records its company type as LTD - Private Company Limited by Shares. Its registered NACE classification is Architectural activities. Its registered address is in Ballsbridge, Co. Dublin.
Company timeline
- Registered with the Companies Registration Office
- Latest accounts date shown in the register
- Latest annual return date shown in the register
Frequently asked questions
- What is O'Neill Architects Ltd's CRO number?
- 618873.
- What is O'Neill Architects Ltd's register status?
- The CRO data lists the company status as Active. This register status does not by itself confirm that the company is currently trading.
- Where is O'Neill Architects Ltd registered?
- The registered address is in Ballsbridge, Co. Dublin. The full publishable address appears above.
- What does O'Neill Architects Ltd do?
- The company's registered NACE classification is Architectural activities. This classification describes its registered economic activity.
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How to read this record
Registry fields come from the CRO open data source.
CRO register status: Normal.
Company Check displays this as Active for readability.
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CRO snapshot retrieved: 2 Oct 2026, 10:40. Imported successfully: 2 Oct 2026, 10:44.