| A |
| Allen & Harris | 183 Cowbridge Road East, Canton | allenandharris.co.uk | | |
| B |
| Belvoir | 178 Whitchurch Road, Maindy | belvoirlettings.com | +44 2920 623 860 | |
| C |
| Cardiff Estates & Lettings | Birchgrove, no street on record | | | |
| CF24 Property Services | 158 Whitchurch Road, Maindy | cf24.co.uk | | |
| Chambers Estate Agents | Whitchurch, no street on record | | | |
| Cooke & Awkright | Canal Quarter, no street on record | | | |
| Coray Properties | Mynachdy, no street on record | | | |
| Crofts Davies & Co | Rhydypenau, no street on record | | | |
| D |
| Darlows | 19 Station Road, Llanishen | darlows.co.uk | | |
| E |
| Edwards & Co | Rhiwbina, no street on record | | | |
| F |
| Fortis Estate Agents | Fairwater, no street on record | | | |
| G |
| Graham Griffiths | 1 King's Road, Canton | graham-griffiths.co.uk | | |
| H |
| H&M Properties | Rhydypenau, no street on record | | | |
| Harris & Birt | Birchgrove, no street on record | | | |
| Harry Harper | 85 Cathays Terrace, Cathays | harryharper.co.uk | +44 29 2031 0555 | |
| Hensonsnot edited since 2021 | 104 Salisbury Road, Plasnewydd | | | |
| Hentons | Cyncoed, no street on record | | | |
| Hern & Crabtree | 8 Waungron Road, Llandaff | hern-crabtree.co.uk | +44 29 2055 5198 | |
| Hogg & Hogg | 20 Maryport Road, Penylan | | +44 29 2010 2525 | |
| Horace John, Forse & Co | 208 Whitchurch Road, Maindy | hjf-property.co.uk | +44 2920 613 777 | |
| Hoskins Morgan | 498 Cowbridge Road East, Llandaff | hoskinsmorgan.co.uk | +44 2920 553056 | |
| J |
| James Douglas Sales and Lettings | 1 Albany Road, Cathays | james-douglas.co.uk | +44 29 2045 6444 | |
| Jeffrey Rossnot edited since 2021 | 38 Wellfield Road, Roath | | +44 29 2049 9680 | |
| John Williams | 18c High Street, Llandaff | johnwilliamssales.co.uk | +44 29 2055 2666 | |
| K |
| Kelvin Francis | Cyncoed, no street on record | | | |
| Key Letnot edited since 2021 | Cardiff Bay, no street on record | | | |
| Keys Residentials | 125 Caerphilly Road, Birchgrove | | | |
| Kings Super Cut | Llandaff North, no street on record | | | |
| L |
| lettings2sales | Cardiff Bay, no street on record | | | |
| M |
| Maisonnot edited since 2021 | Pontcanna, no street on record | | | |
| Mark King Properties | East Tyndall Street, Splott | markkingproperties.co.uk | +44 29 2050 1001 | |
| MGY | Whitchurch, no street on record | | | |
| MGY Estate Agents | Pontcanna, no street on record | | | |
| Michael Graham Young | Radyr, no street on record | mgy.co.uk | +44 29 20842124 | |
| Moginie James | Cyncoed, no street on record | | | |
| N |
| Northover & Williamson | Rumney, no street on record | | | |
| Northwood | Rhiwbina, no street on record | | | |
| P |
| PennRise Properties | North Road, Mynachdy | | | |
| Peter Alan | Canal Quarter, no street on record | | | |
| Peter Alan Ltd - Heathnot edited since 2019 | 163 Crwys Road, Cathays | peteralan.co.uk | | |
| Pinnacle Letting Agents | 30 Richmond Road, Plasnewydd | pinnacle-group.com | | |
| Plaza Property Managementnot edited since 2022 | 89 Tudor Street, Riverside | | +44 29 2037 1117 | |
| Properties Horizon | 22 Senghennydd Road, Civic Centre | horizonproperties.org.uk | +4429 2034 2299 | |
| R |
| Roberts | 88 Albany Road, Roath | | | |
| RWM Estates | Ely, no street on record | | | |
| S |
| Squarefoot Estate Agents | 198 Cowbridge Road East, Canton | squarefootagents.co.uk | +44 2920 371897 | |
| T |
| Taylors | Cardiff Bay, no street on record | taylorsestateagents.co.uk | +44 2920291735 | |
| The Letting Station | 238 Whitchurch Road, Mynachdy | thelettingstation.co.uk | +44 2920 020 880 | |
| The Living Room | 62 Cathays Terrace, Cathays | tlrestates.co.uk | +44 29 2034 1077 | |
| Thomas H Wood | 7 Station Road, Radyr | | | |