- MR NEIL BARKER LIMITEDDisolved- 13769748 - Dissolved on 30 May 2023 
- MR THOMAS DAVID LTDDisolved- 15351641 - Dissolved on 3 June 2025 
- AGATEK LTD- 13066587 - Incorporated on 6 December 2020 
- AGATEL LTDDisolved- 12695084 - Dissolved on 9 August 2022 
- AGATE ML LTD- 14457859 - Incorporated on 2 November 2022 
- CARL DAVID NEIL LIMITED- 07375761 - Incorporated on 14 September 2010 
- DAVID NEIL CRABTREE LTD- 11407117 - Incorporated on 11 June 2018 
- AGATE UK LTDDisolved- 12591400 - Dissolved on 21 June 2022 
- AGATEG LTDDisolved- 12641672 - Dissolved on 7 January 2025 
- AGATEIT LTDActive - Proposal to Strike off- 07866420 - Incorporated on 30 November 2011 
- DAVID NEIL CONSULTANCY LTDActive - Proposal to Strike off- 08369656 - Incorporated on 22 January 2013 
- DAVID NEIL ASSOCIATES LTDDissolved- 06301822 - Dissolved on 22 September 2015 
- AGATE OPCO LTDDisolved- 12552430 - Dissolved on 18 July 2023 
- MR DAVID SHAW LIMITEDDissolved- 06674205 - Dissolved on 23 March 2010 
- AGATE PVT LTD- 13450084 - Incorporated on 10 June 2021 
- AGATEKA LTDActive - Proposal to Strike off- 10945648 - Incorporated on 4 September 2017 
- DAVID NEILL FOODS LIMITED- 03575927 - Incorporated on 4 June 1998 
- THE NEIL DAVIDSON LIBRARY- CS007224 
- AGATE LIMITEDActive - Proposal to Strike off- 03956412 - Incorporated on 27 March 2000 
- EDUCATION WITH MRS NEIL LTD- 16402512 - Incorporated on 23 April 2025