| No | Class | Team | Drivers | Car | |
|---|---|---|---|---|---|
| 1 | 1 | GT3 | Beechdean AMR | Andrew Howard Ross Gunn | Aston Martin Vantage GT3 |
| 2 | 5 | GT3 | PFL Motorsport | Peter Littler Jody Fanin | Aston Martin Vantage GT3 |
| 3 | 6 | GT3 | Barwell motorsport | Liam Griffin Adam Carroll | Lamborghini Huracan GT3 |
| 4 | 7 | GT3 | AMDtuning.com | Lee Mowle Joe Osborne | BMW Z4 GT3 |
| 5 | 8 | GT3 | Motorbase Performance | Phil Dryburgh Ross Wylie | Aston Martin Vantage GT3 |
| 6 | 11 | GT3 | TF Sport | Mark Farmer Jon Barnes | Aston Martin Vantage GT3 |
| 7 | 14 | GT3 | Optimum Racing | Ryan Ratcliffe Will Moore | Audi R8 LMS GT3 |
| 8 | 17 | GT3 | TF Sport | Derek Johnston Jonny Adam | Aston Martin Vantage GT3 |
| 9 | 31 | GT3 | Team Parker Racing | Rick Parfitt Seb Morris | Bentley Continental GT3 |
| 10 | 32 | GT3 | Tolman Motorsport | Ian Stinton Mike Simpson | Ginetta G55 GT3 |
| 11 | 33 | GT3 | Barwell motorsport | Jon Minshaw Phil Keen | Lamborghini Huracan GT3 |
| 12 | 56 | GT3 | Tolman Motorsport | David Pattison Luke Davenport | Ginetta G55 GT3 |
| 13 | 79 | GT3 | Black Bull Ecurie Ecosse | Alasdair McCaig Rob Bell | McLaren 650S GT3 |
| 14 | 88 | GT3 | Team ABBA with Rollcentre Racing | Martin Short Richard Neary | BMW Z4 GT3 |
| 15 | 40 | GT4 | Century Motorsport | Sean Byrne Aleksander Schjerpen | Ginetta G55 GT4 |
| 16 | 42 | GT4 | Generation AMR MacMillan Racing | Matthew Graham Jack Mitchell | Aston Martin Vantage GT4 |
| 17 | 44 | GT4 | Generation AMR Racing | James Holder Matthew George | Aston Martin Vantage GT4 |
| 18 | 45 | GT4 | RCIB Insurance Racing | William Phillips Jordan Stilp | Ginetta G55 GT4 |
| 19 | 47 | GT4 | JW Bird Motorsport | Adrian Barwick Bradley Ellis | Aston Martin Vantage GT4 |
| 20 | 50 | GT4 | PMW World Expo Racing / Optimum Motorsport | Graham Johnson Mike Robinson | Ginetta G55 GT4 |
| 21 | 51 | GT4 | Lanan Racing | Alex Reed Joey Foster | Ginetta G55 GT4 |
| 22 | 59 | GT4 | Black Bull Ecurie Ecosse | Sandy Mitchell Ciaran Haggerty | McLaren 570S GT4 |
| 23 | 60 | GT4 | Ebor GT Motorsport | Marcus Hoggarth Abbie Eaton | Maserati GT MC GT4 |
| 24 | 66 | GT4 | Nick Jones | Nick Jones Scott Malvern | Ginetta G55 GT4 |
| 25 | 73 | GT4 | Century Motorsport | Nathan Freke Anna Walewska | Ginetta G55 GT4 |
| 26 | 75 | GT4 | RCIB Insurance Racing | Aaron Mason Robert Barrable | Ginetta G55 GT4 |
| 27 | 407 | GT4 | Beechdean AMR | Jack Bartholemew Jordan Albert | Aston Martin Vantage GT4 |
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