- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- KAISER & ASSOCIATES LIMITED- 05085802 - Incorporated on 26 March 2004 
- KAISER FINANCIAL LIMITEDDisolved- 11767096 - Dissolved on 19 April 2022 
- KAISER INTERNATIONAL LIMITEDActive - Proposal to Strike off- 09864041 - Incorporated on 9 November 2015 
- KAISER MEDIA LIMITED- 09959741 - Incorporated on 20 January 2016 
- KAISER ALLIANCE LTDActive - Proposal to Strike off- 11184000 - Incorporated on 2 February 2018 
- KAISER ENTERPRISES LIMITEDDissolved- 07908776 - Dissolved on 3 September 2013 
- KAISER CONSULTANCY LIMITED- 04387986 - Incorporated on 6 March 2002 
- SCHWARZ KAISER LIMITEDActive - Proposal to Strike off- NI609838 - Incorporated on 8 November 2011 
- KAISER CONSTRUCTION LIMITED- 08569289 - Incorporated on 14 June 2013 
- KAISER SECURITY LTDActive - Proposal to Strike off- 09277021 - Incorporated on 23 October 2014 
- SUSANNE KAISER LIMITED- 08304230 - Incorporated on 22 November 2012 
- KAISER INVESTIGO LIMITEDActive - Proposal to Strike off- 08453635 - Incorporated on 20 March 2013 
- AARON KAISER LIMITEDActive - Proposal to Strike off- 09011372 - Incorporated on 25 April 2014 
- KAMILA KAISER LIMITEDDissolved- 10685056 - Dissolved on 11 June 2019 
- KAISER ADVISORY LIMITEDActive - Proposal to Strike off- 10811959 - Incorporated on 9 June 2017 
- ALBRECHT KAISER LIMITED- 12975645 - Incorporated on 26 October 2020 
- KAISER PROPERTIES LTDDisolved- 14508570 - Dissolved on 6 February 2024 
- KAISER INTERNATIONAL LP- SL037279 - Incorporated on 17 January 2025 
- KAISER LONDON LIMITED- 16271843 - Incorporated on 24 February 2025