O'CONNELL MAHON ARCHITECTS LIMITED
LTD - Private Company Limited by Shares registered in Ireland, Co. Dublin. CRO number 281354.
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.
Company indicators
Derived from this company's CRO record and filing history. Percentiles compare it with the active companies in its sector.
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 4 Nov 2026. Directors and shareholders are not shown on plaindata.ie. Official CRO record.