- KATE ATKINSON LTD- 14515018 - Incorporated on 30 November 2022 
- IAN MA & CO LTDDissolved- 09022951 - Dissolved on 20 August 2019 
- IANYS LTDDisolved- 11618992 - Dissolved on 26 December 2023 
- IAN ART LTDActive - Proposal to Strike off- 11124178 - Incorporated on 22 December 2017 
- IANSS LTD- 11909003 - Incorporated on 27 March 2019 
- IANBB LTDDisolved- 13430256 - Dissolved on 27 February 2024 
- JOHN ATKINSON LTD- 10143012 - Incorporated on 22 April 2016 
- MARC ATKINSON LTDDisolved- 12822778 - Dissolved on 19 December 2023 
- ATKINSON ROSE LLP- OC365819 - Incorporated on 22 June 2011 
- ATKINSON AGRI LTD- 15894770 - Incorporated on 13 August 2024 
- MARIA ATKINSON LTD- 12651600 - Incorporated on 8 June 2020 
- ASSOCIATED SUB-CONTRACTORS IN LIMITED PARTNERSHIP WITH IAN ATKINSON- LP011032 - Incorporated on 29 December 2005 
- IAN OPTIC LIMITED- 04923987 - Incorporated on 7 October 2003 
- IPS ELECTRICAL TESTING SERVICES LTD- 09686825 - Incorporated on 15 July 2015 - 25 Bradfield Way, Catcliffe, S60 5BL 
- BXCO LTD- 13732570 - Incorporated on 9 November 2021 
- MR & MRS SEW 'N' SEW LTD.- 07606830 - Incorporated on 18 April 2011 
- MR&MRS CLEAN LTDDisolved- 13755600 - Dissolved on 16 May 2023 
- MR&MRS STORE LTD- 16474263 - Incorporated on 27 May 2025 
- SHAW ATKINSON LTD- 15365217 - Incorporated on 20 December 2023 
- ATKINSON HOOD LTDActive - Proposal to Strike off- 09021856 - Incorporated on 1 May 2014