- THAMES STREET SERVICES LIMITED- 6th Floor St Magnus House, 3 Lower Thames Street, London, England, EC3R 6HD 
- THAMES STREET SERVICES LIMITED- 10 Lower Thames Street, London, England, EC3R 6EN 
- THAMES STREET SERVICES LIMITED- 6TH FLOOR ST MAGNUS HOUSE, 3 LOWER THAMES STREET, LONDON, ENGLAND, EC3R 6HD 
- MOUNT STREET CAPITAL RE-INVESTMENT LIMITED- FAIRFAX HOUSE FULWOOD PLACE, LONDON, ENGLAND, WC1V 6AY 
- MOUNT STREET HOLDINGS PUBLIC LIMITED COMPANY- PHOENIX HOUSE, 11 WELLESLEY ROAD, CROYDON, CR0 2NW 
- MOUNTS STREET LTD- 15722430 - Incorporated on 15 May 2024 
- MOUNT MANAGEMENT SERVICES LIMITED- 11751549 - Incorporated on 7 January 2019 
- MOUNT MANAGEMENT SERVICES LIMITEDActive - Proposal to Strike off- 06814246 - Incorporated on 10 February 2009 
- 2012 MANAGEMENT SERVICES LTDActive - Proposal to Strike off- 07915084 - Incorporated on 18 January 2012 
- DUNDEE SECURITIES EUROPE LLP- OC375584 - Incorporated on 28 May 2012 
- DUNHAM MOUNT DIRECTOR SERVICES LIMITED- DUNHAM MOUNT 92 DUNHAM ROAD, ALTRINCHAM, CHESHIRE, WA14 4AD 
- BAKER STREET 2012 LIMITEDregistered- OE025847 - Incorporated on 12 February 2023 
- GRESHAM STREET 2012 LIMITEDActive - Proposal to Strike off- 08231986 - Incorporated on 27 September 2012 
- 15 MOUNT STREET LIMITED- 02577429 - Incorporated on 28 January 1991 
- 23 MOUNT STREET LIMITED- 04467680 - Incorporated on 24 June 2002 
- 93 MOUNT STREET LIMITEDDissolved- 05888236 - Dissolved on 4 October 2011 
- 111 MOUNT STREET LIMITED- 08606239 - Incorporated on 11 July 2013 
- INC (MOUNT STREET) LTDActive - Proposal to Strike off- 13627169 - Incorporated on 16 September 2021 
- ONE MOUNT STREET LTD.Dissolved- 08129600 - Dissolved on 20 May 2014 
- 14 MOUNT STREET LIMITED- 12107663 - Incorporated on 17 July 2019