- TANNER ST JAMES LTD- 15589330 - Incorporated on 23 March 2024 
- N TANNER LONDON LTDDisolved- 15525033 - Dissolved on 27 May 2025 
- TANNER MILLER LTD- 15963906 - Incorporated on 18 September 2024 
- TANNER KROLLE LIMITEDDissolved- 04380938 - Dissolved on 7 May 2009 
- TANNER BRODIN LIMITEDIn Administration- 01888960 - Incorporated on 22 February 1985 
- TANNER CONSULTANCY LTDLiquidation- 06930147 - Incorporated on 10 June 2009 
- TANNER KSP LIMITED- 07713441 - Incorporated on 21 July 2011 
- TANNER & CO LIMITED- 07762175 - Incorporated on 5 September 2011 
- TANNER SUBSEA LTD- 08481690 - Incorporated on 9 April 2013 
- TANNER BERNARD LIMITED- 11977532 - Incorporated on 3 May 2019 
- ROGER TANNER LIMITED- 12118569 - Incorporated on 24 July 2019 
- TANNER CONSTRUCTION LTD- 11962851 - Incorporated on 25 April 2019 
- TANNER OPERATIVES LTDActive - Proposal to Strike off- 10215283 - Incorporated on 6 June 2016 
- TANNER FRENCH LLPDisolved- OC440348 - Dissolved on 13 June 2023 
- TANNER RM LIMITEDActive - Proposal to Strike off- 14183523 - Incorporated on 20 June 2022 
- TANNER HOSPITALITY LIMITEDDisolved- 14939943 - Dissolved on 7 May 2024 
- TANNER FRESEL LTD- 13733341 - Incorporated on 9 November 2021 
- SLJ TANNER LIMITED- 15765866 - Incorporated on 6 June 2024 
- TANNER HOLDINGS LIMITED- 15858101 - Incorporated on 25 July 2024 
- DIGITAL DANCER LIMITED- 12172641 - Incorporated on 23 August 2019