| 2023 TBL | Team | Car | Driver | Status | Jack Sears |
| EXCELR8-1 | Bristol Street Motors with EXCELR8 TradePriceCars.com | Hyundai i30 Fastback N Performance | Ingram | Confirmed in press release | Inel. |
| EXCELR8-2 | Bristol Street Motors with EXCELR8 TradePriceCars.com | Hyundai i30 Fastback N Performance | Chilton | Confirmed in press release | Inel. |
| EXCELR8-3 | Bristol Street Motors with EXCELR8 TradePriceCars.com | Hyundai i30 Fastback N Performance | Lloyd? | Talked about being confident of 2023 drive | Inel. |
| EXCELR8-4 | Bristol Street Motors with EXCELR8 TradePriceCars.com | Hyundai i30 Fastback N Performance | Halstead | Confirmed in press release | Elig. |
| Team Dynamics-1 | Halfords/Cataclean? | Civic? | Shedden? | Talked about next year with the team | Inel. |
| Team Dynamics-2 | Halfords/Cataclean? | Civic? | Rowbottom? | Talked about next year with the team | Inel. |
| Aiden Moffat-1 | Aiden Moffat Racing | ??? | Moffat? | Infiniti described as being end of life by the team | Inel. |
| Aiden Moffat-2 | Aiden Moffat Racing | ??? | ??? | Infiniti described as being end of life by the team | ??? |
| Motorbase-1 | NAPA Racing | Focus? | Sutton | Confirmed as 3-year deal in press release, talk of new build car | Inel. |
| Motorbase-2 | NAPA Racing | Focus? | Cammish | Confirmed as 3-year deal in press release, talk of new build car | Inel. |
| Motorbase-3 | Motorbase | Focus? | Osborne? | Talked about looking forward to next year with the team | Elig. |
| Motorbase-4 | Motorbase | Focus? | ??? | | |
| HARD.-1 | HARD. | Cupra León | Taylor-Smith | Confirmed as multi-year in press release | Inel. |
| HARD.-2 | HARD. | Cupra León | Thompson | Confirmed in press release | Inel. |
| HARD.-3 | HARD. | Cupra León | Patterson | Confirmed in press release | Elig. |
| HARD.-4 | HARD. | Cupra León | Hamilton? | Talked about his next year in the car | Elig. |
| Speedworks-1 | Toyota Gazoo Racing UK? | Corolla? | Butcher? | Talked about wanting another year with the team | Inel. |
| Speedworks-2 | Toyota Gazoo Racing UK? | Corolla? | ??? | ??? | ??? |
| Speedworks-3 | Toyota Gazoo Racing UK? | Corolla? | ??? | ??? | ??? |
| WSR-1 | Team BMW/Ciceley Commercials? | BMW 330e M Sport | Morgan | Confirmed in press release | Inel. |
| WSR-2 | Team BMW? | BMW 330e M Sport | Turkington? | Confirmed entry in press release | Inel. |
| WSR-3 | MB Motorsport | BMW 330e M Sport | Hill | Confirmed in press release | Inel. |
| WSR-4 | MB Motorsport? | BMW 330e M Sport | Jelley? | MB talked about a 2-car entry for 2023 – WSR confirmed as a 4-car entry | Inel. |
| PMR-1 | PMR | Astra? | Hand | Confirmed as multi-year in press release | Elig. |
| PMR-2 | PMR | Astra? | ??? | | |
| BTC-1 | Rich Energy BTC Racing? | Civic? | ??? | Reported as considering a new build | ??? |
| BTC-2 | Rich Energy BTC Racing? | Civic? | ??? | Reported as considering a new build | ??? |
| BTC-3 | Rich Energy BTC Racing? | Civic? | ??? | Reported as considering a new build | ??? |
| Boardley-1 | ??? | ??? | Boardley? | Has described 2022 as a sabbatical | Elig. |
| TOCA-1 | Not allocated | | | | |
| TOCA-2 | Not allocated | | | | |
| TOCA-3 | Not allocated | | | | |
| ??? | Graves Motorsport? | ??? | Max Coates? | Outlined plans for an entry in 2021 | Elig. |
| ??? | Parker Motorsport? | Alfa Giulia? | ??? | Press release states a planned return after hybrid is introduced | ??? |
| ??? | Parker Motorsport? | Alfa Giulia? | ??? | Press release states a planned return after hybrid is introduced | ??? |
| ??? | Bert Taylor Racing? | ??? | ??? | Talked about getting a TBL for 2023 | ??? |
| ??? | ??? | ??? | Proctor? | Has described 2022 as a sabbatical | Inel. |
| ??? | ??? | ??? | Smelt? | Has described 2022 as a sabbatical | Elig. |
| ??? | Volvo | Kia | T.Harvey | Rumoured in threads every year, has to be true one day | Inel. |