- MAGNUS SERVICES LIMITED- 06960398 - Incorporated on 13 July 2009 
- MAGNUS DEVELOPMENTS LIMITEDLiquidation- 04712562 - Incorporated on 26 March 2003 
- MAGNUS STENT LIMITEDActive - Proposal to Strike off- 08717797 - Incorporated on 3 October 2013 
- MAGNUS SHOES LIMITED- 08861053 - Incorporated on 24 January 2014 
- MAGNUS ASSIST LIMITED- 08957041 - Incorporated on 25 March 2014 
- MAGNUS ACCOUNTANTS LIMITED- 09398668 - Incorporated on 21 January 2015 
- MAGNUS CONSULTING LIMITEDActive - Proposal to Strike off- 10623208 - Incorporated on 16 February 2017 
- MICHAEL MAGNUS LIMITEDActive - Proposal to Strike off- 10688624 - Incorporated on 24 March 2017 
- MAGNUS NOTITIA LIMITEDDisolved- 11013809 - Dissolved on 19 March 2024 
- MAGNUS FOODS LIMITEDDisolved- 14294939 - Dissolved on 16 January 2024 
- MAGNUS SHARP LIMITEDDisolved- 13009012 - Dissolved on 23 May 2023 
- ULTRA MAGNUS LIMITEDDisolved- 14706312 - Dissolved on 7 November 2023 
- MAGNUS EVENTS LIMITED- 15242802 - Incorporated on 27 October 2023 
- MAIESTAS MAGNUS LIMITED- 15710871 - Incorporated on 9 May 2024 
- MAGNUS INTERMEDIATE LIMITED- 16065991 - Incorporated on 7 November 2024 
- MAGNUS THINGS LIMITED- 16527561 - Incorporated on 18 June 2025 
- WINDSOR HOUSE (LUX) S.À R.L.registered- OE019141 - Incorporated on 28 January 2023 
- WINDSOR BOOKS LTD- 01021563 - Incorporated on 19 August 1971 
- B & P WINDSOR LIMITEDActive - Proposal to Strike off- 06652252 - Incorporated on 21 July 2008 
- HENRY WINDSOR LTDActive - Proposal to Strike off- 07816371 - Incorporated on 19 October 2011