| B |
| BODA Architecture | Chancery Street, Temple Bar | boda.ie | +353 1 865 6265 | |
| Brady Shipman Martin | Block B Canal Road, Rathmines | bradyshipmanmartin.ie | | |
| Brennan | Furlong | Vernon Avenue, Clontarf | brennanfurlong.ie | +353 1 874 7410 | |
| C |
| Ceardean | Dolphin's Barn, no street on record | | | |
| D |
| Darmody Architecture | 91 Townsend Street, International Financial Services Centre | darmodyarchitects.ie | +353 1 6729907 | |
| Davey + Smith Archetecture | Unit 13 The Seapoint Building, Marino | davey-smith.com | +353 1 244 7638 | |
| DMOD Architects | New Street South, The Liberties | dmod.ie | +353 1 491 1700 | |
| DMVF Architects | Rathmines Road Lower, Rathmines | dmvf.ie | +353 1 4071060 | |
| Downey | Merrion Square North, International Financial Services Centre | dwny.ie | | |
| DTA Architects | 12 College Green, Temple Bar | dta.ie | | |
| Duignan Dooleynot edited since 2021 | 62 Brighton Square, Terenure | ddaarch.ie | +353 1 4900499 | |
| E |
| Extend | 29 Dunville Avenue, Ranelagh | extend.ie | | |
| F |
| Flanagan Architectsnot edited since 2021 | 8 Greenmount Office Park, Harold's Cross | flanaganarchitects.ie | +353 1 4730034 | |
| G |
| Gottstein Architects | 42 Dawson Street, Temple Bar | gottsteinarchitects.com | +353 1 671 1400 | |
| Green Design Build | 142 Leeson Street Upper, Ranelagh | | | |
| H |
| Henry J Lyons | 51-54 Pearse Street, International Financial Services Centre | henryjlyons.com | | |
| homearchitect.ienot edited since 2016 | 537 North Circular Road, Ballybough | homearchitect.ie | +353 1 887 5040 | |
| K |
| Kennedy FitzPatricknot edited since 2022 | Raheny, no street on record | | | |
| KMD Architecture | 3 Westland Square, International Financial Services Centre | kmd.ie | | |
| L |
| LHA Architecture | Dartmouth Place, Ranelagh | lha.ie | +353 86 245 3641 | |
| M |
| McCauley & Associatesnot edited since 2021 | 159 Rathmines Road Upper, Dartry | | | |
| McDonald Vagge Architectsnot edited since 2017 | 15a Dunville Avenue, Ranelagh | | | |
| MOLA Architecture | Donnybrook Road, Donnybrook | mola.ie | +353 1 218 3900 | |
| Murphy IA Architects | 1 Earlsfort Terrace, Portobello | interiorarchitects.com | | |
| N |
| Node Architects | 42 Dawson Street, Temple Bar | node.ie | +353 1 764 5945 | |
| O |
| O'Donnell & Tuomey | Camden Row, Portobello | odonnell-tuomey.ie | +353 1 4752500 | |
| ODKM Architects | 3 Terenure Place, Terenure | odkmarchitects.com | +353 1 499 1510 | |
| Open Architects | 97c Morehampton Road, Donnybrook | openarchitects.ie | +353 1 668 9477 | |
| Optimise Design | 34 Fitzwilliam Street Upper, Ranelagh | optimise-design.com | | |
| P |
| Paul Keogh Architects | New Street South, The Liberties | pka.ie | +353 1 6791551 | |
| Q |
| Quilligan Architects | Camden Street Lower, Portobello | quilliganarchitects.ie | | |
| U |
| Urban Architecture & Construction | Ranelagh, Ranelagh | | | |