| Adam Jobbins & Natasha Van Zijl | York | ajobbins1994@gmail.com | — | Open → |
| Adam Jones | Wetherby | — | Client mob. 07894 759553 | Open → |
| ADAM WOOD | Leeds | — | — | Open → |
| ADAMS | — | — | — | Open → |
| ADAMS | — | — | — | Open → |
| ADDS | York | — | — | Open → |
| Adele Machin | Goole | adele.machin1977@gmail.com | — | Open → |
| Adele Makepeace | Selby | — | — | Open → |
| Adele Parr | Leeds | — | — | Open → |
| ADF Properties Limited | York | — | — | Open → |
| ADR Building Services | Leeds | adr.electrical.services@hotmail.co.uk | — | Open → |
| ADRIAN AND BECKY HILL | — | — | — | Open → |
| ADRIAN WATKINS | — | — | — | Open → |
| Adrian Wood | — | — | — | Open → |
| Adriannus Van Zundert | Tadcaster | — | — | Open → |
| Adur District Council | Shoreham-by-Sea, | — | — | Open → |
| ADVANCE ROADWAYS LTD | — | — | r. It is 07791 165530 - David Advance Roadways Ltd | Open → |
| Advance Technical Systems Ltd T/A Advance Welding Ltd | Cleckheaton | — | — | Open → |
| Advantage | Birchwood | — | — | Open → |
| AEB Architecture & Design Ltd | Brough | howard@aebarchitectureanddesign.com | — | Open → |
| AG Construction & Developments Ltd | York | AGdevelopmentsandconstruction@outlook.com | — | Open → |
| AG Developments | York | agdevelopmentsandconstruction@outlook.com | — | Open → |
| Agecroft Fire Station | Salford | — | — | Open → |
| Agneta Zotina | Goole | agneta.zotina@gmail.com | — | Open → |
| AHCOURT PROPERTIES LTD | — | — | — | Open → |