| Group | Album | LP | CD | Other | Total | Countries |
|---|---|---|---|---|---|---|
| Eddie Howell | The Eddie Howell Gramophone Record | 1 | 0 | 0 | 1 | 1 |
| Kansas (false rumour of involvement) | Audio Visions | 1 | 0 | 0 | 1 | 1 |
| Left Handed Marriage | On The Right Side Of The Left Handed Marriage | 2 | 0 | 0 | 2 | 1 |
| Meat Loaf (with Brian) | Best Of | 0 | 1 | 0 | 1 | 1 |
| Morgan (with Tim Staffell) | Nova Solis | 2 | 1 | 0 | 3 | 3 |
| Morgan (with Tim Staffell) | The Sleeper Wakes | 1 | 1 | 0 | 2 | 2 |
| Morgan (with Tim Staffell) | Brown Out | 1 | 0 | 0 | 1 | 1 |
| Peter Straker (with Freddie) | The Changeling | 1 | 0 | 0 | 1 | 1 |
| Peter Straker (with Freddie) | Real Natural Man | 2 | 0 | 0 | 2 | 2 |
| Various Artists (with Brian) | Whistle Down The Wind | 0 | 1 | 0 | 1 | 1 |
| Keiran White (with Tim Staffell) | Open Door | 1 | 0 | 0 | 1 | 1 |
| Gavin York (false rumour of involvement) | Injured Innocence | 1 | 0 | 0 | 1 | 1 |