- BALFOUR ROSSITER LIMITED- 02845467 - Incorporated on 17 August 1993 
- WESTBOURNE PLACE LIMITED- 05315667 - Incorporated on 17 December 2004 
- ATKIN HALLAM LTD- 12703837 - Incorporated on 29 June 2020 
- SAM ATKIN LTDDissolved- 06753766 - Dissolved on 10 April 2012 
- IAN ATKIN LTDActive - Proposal to Strike off- 07978946 - Incorporated on 7 March 2012 
- ATKIN ESTATES LTD- 16120419 - Incorporated on 5 December 2024 
- PUREROOF LTDDisolved- 11529348 - Dissolved on 25 January 2025 
- L ATKIN LTDActive - Proposal to Strike off- 05857172 - Incorporated on 26 June 2006 
- ATKINS (US)- 04441585 - Incorporated on 17 May 2002 
- B.W.M.A. ATKIN LTDDissolved- 07975093 - Dissolved on 15 October 2013 
- P J ATKIN LTD- 09104349 - Incorporated on 26 June 2014 
- R ATKIN LTD- 10977974 - Incorporated on 22 September 2017 
- ATKIN LOGISTICS LTDDissolved- 08079975 - Dissolved on 31 December 2013 
- ATKIN SURFACING LTD- 12778414 - Incorporated on 29 July 2020 
- ATKIN SERVICES LTDActive - Proposal to Strike off- 11620210 - Incorporated on 12 October 2018 
- COOK&ATKIN LTDDisolved- 13731357 - Dissolved on 9 May 2023 
- T J ATKIN LTD- 08442118 - Incorporated on 13 March 2013 
- ATKIN INSULATION LTDDisolved- 05616495 - Dissolved on 7 January 2025 
- ATKIN GROUNDWORKS LTD- 05958484 - Incorporated on 6 October 2006 
- CHRIS ATKIN LTDDissolved- 06389005 - Dissolved on 30 March 2010