O'CONNELL MAHON ARCHITECTS LIMITED
LTD - Private Company Limited by Shares registered in Ireland, Co. Dublin. CRO number 281354.
Status
Active
Normal
Registered
5 Mar 1998
28 years old
Annual return
Up to date
next due 31 Dec 2026
Last accounts filed
296 days
after year end
Details
| CRO number | 281354 |
| Company type | LTD - Private Company Limited by Shares |
| Registered office | 9 FITZWILLIAM PLACE, DUBLIN 2, DUBLIN 2, DUBLIN |
| Eircode | D02VW22 |
| County | Dublin |
| Last annual return | 31 Dec 2025 |
Financial statements filed
Days from year end to filing
Orange = later than 330 days.
| Year end | Received by CRO | Days after year end |
|---|---|---|
| 31 Mar 2024 | 21 Jan 2025 | 296 |
| 31 Mar 2023 | 7 Feb 2024 | 313 |
| 31 Mar 2022 | 16 Feb 2023 | 322 |
Over 330 days is later than the usual deadline (accounts made up to within 9 months of the annual return date, filed within 56 days). The accounts themselves can be bought from the CRO.
Public contracts
18 contract awards from 6 public bodies, €131.9m in total. Framework values are split evenly between the suppliers named.
| Date | Buyer | Contract | Value |
|---|---|---|---|
| 9 Jan 2026 | Health Service Executive (HSE) | Multi-Party Framework Agreement for HSE Design Team Services 2025 - Major Capital Works DSE project value €50m - €400m e | €6.7m |
| 9 Jan 2026 | Health Service Executive (HSE) | Multi-Party Framework Agreement for HSE Design Team Services 2025 - Major Capital Works DSE project value €50m - €400m e | €7.5m |
| 28 Apr 2025 | Health Service Executive (HSE) | Formation of HSE Design Team Services Framework for the Provision of Exemplar Designs for Standard Health Accommodation | €50.0m |
| 3 Oct 2024 | Health Service Executive (HSE) | MULTI-PARTY FRAMEWORK AGREEMENT FOR HSE DESIGN TEAM SERVICES FRAMEWORK 2024 – MAJOR CAPITAL WORKS €50M-€500M excl. VAT f | €62.5m |
| 3 May 2024 | Health Service Executive (HSE) | Major capital works projects (€50M - €500M) at St Vincent’s University Hospital and St Michael’s Hospital, Dublin | €0 |
| 13 Jan 2023 | Wicklow County Council | Architectural Services 80 Units Lott Lane | – |
| 28 Oct 2022 | University College Cork ( UCC ) | External Construction Consultancy Services for Small & Minor Projects Framework | – |
| 20 Oct 2022 | University College Cork ( UCC ) | External Construction Consultancy Services for Small & Minor Projects Framework | – |
Source: Companies Registration Office open data (CC BY 4.0), OGP eTenders open data (CC BY 4.0). Permits and contracts are linked by exact company-name match. Data as of 3 Nov 2026. Directors and shareholders are not shown on plaindata.ie. Official CRO record.