| ROSANNA O'BRIEN | LEEDS | — | — | Open → |
| Rose & Co Developments Ltd | Retford | — | — | Open → |
| Rose & Co Developments Ltd | Ranskill | — | 01777472009 | Open → |
| ROSE FARRAR | — | — | — | Open → |
| ROSEMARIE UTLEY | — | — | — | Open → |
| Ross & Zoe Stewart | York | — | — | Open → |
| ROSS AND ZOE STUART | — | — | — | Open → |
| Ross Aztech Mobile Number: 07779115068 | — | — | — | Open → |
| ROSS TRUTCH | — | — | — | Open → |
| Rossendale Borough Council | Rossendale | buildingcontrol@rossendalebc.gov.uk | 01706 874333 | Open → |
| ROSSER | — | — | — | Open → |
| Rotherham Metropolitan Borough Council | Rotherham | building.control@rotherham.gov.uk | x | Open → |
| Roundhay Loft Conversions Ltd | Leeds | — | — | Open → |
| ROUTH | — | — | 07875666796 | Open → |
| Rowan Bell | York | — | — | Open → |
| ROWBOTTOM | — | — | — | Open → |
| ROWBOTTOM | — | — | — | Open → |
| ROWLAND | — | — | — | Open → |
| ROWNTREE | — | — | — | Open → |
| Roy & Gillian Ashington | Cawood | — | — | Open → |
| Roy Gibson mobile: 07455834903 | — | — | — | Open → |
| Roy-Al Builders | Nr Goole | — | — | Open → |
| Royal Berkshire Fire & Rescue Service | Reading | — | — | Open → |
| Royal Berkshire Fire & Rescue Service | Maidenhead, Berkshire | — | 01628 771222 | Open → |
| Royal Berkshire Fire & Rescue Service | Langley, Slough | — | — | Open → |