| Independent Histopathology Services... | | London |
| Spire Pathology Services | | |
| CliniCheck | London | |
| Gordon Laboratory Group Limited | Stockton-on-Tees | Cleveland |
| Individual Wellbeing Diagnostic... | New Malden | Surrey |
| iQur Ltd. | Southampton | Hampshire |
| Lab21 Ltd | Fareham | Hampshire |
| Medichecks | Nottingham | Nottinghamshire |
| Medi-Lab Ltd. | Manchester | Lancashire |
| Mullhaven Medical Laboratory | Bedford | Bedfordshire |
| MycoDerm Laboratories Ltd | Cardiff | |
| Quest Diagnostics | Heston | Middlesex |
| The Doctors Laboratory | London | |
| The Phlebotomy Clinic | Central Milton Keynes | BUCKS, |
