- ALKARI LTD- 12248268 - Incorporated on 7 October 2019 
- ALKAID LTD- 14278379 - Incorporated on 5 August 2022 
- ALKAMI LTDDissolved- 07022399 - Dissolved on 30 October 2012 
- ALKA-YOU LTDDisolved- 12617696 - Dissolved on 26 October 2021 
- ALKAIA LTD- 12751348 - Incorporated on 17 July 2020 
- ALKAAN LTDActive - Proposal to Strike off- 11395136 - Incorporated on 4 June 2018 
- MOE ALKA LTDDisolved- 15492242 - Dissolved on 22 July 2025 
- ALKA-TEK LIMITED- 02840974 - Incorporated on 30 July 1993 
- ALKA HOLE LTD.Active - Proposal to Strike off- 07634642 - Incorporated on 16 May 2011 
- ALKA PROPERTY LIMITEDActive - Proposal to Strike off- 10808300 - Incorporated on 7 June 2017 
- ALKA ASSOCIATES LIMITEDDisolved- 11823333 - Dissolved on 19 April 2022 
- ALKA FOODS LTDActive - Proposal to Strike off- 10774746 - Incorporated on 17 May 2017 
- ALKA CITY LIMITEDDisolved- 12893709 - Dissolved on 14 December 2021 
- ALKA ENGINEERING LTDActive - Proposal to Strike off- 13509930 - Incorporated on 14 July 2021 
- VULF ALKA LTD- 14404503 - Incorporated on 7 October 2022 
- ALKA HOLDINGS LTDDisolved- 15139257 - Dissolved on 18 February 2025 
- LONDON HEIGHTS PROPERTY LLP- OC383883 - Incorporated on 28 March 2013 
- MRS7 LTD.- 09527781 - Incorporated on 7 April 2015 
- MRS100 LTDActive - Proposal to Strike off- 09990427 - Incorporated on 5 February 2016 
- MRS D'S LLPActive - Proposal to Strike off- OC411574 - Incorporated on 30 April 2016