| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 2003 NEW SHELF COMPANY LIMITED | 04720916 | 02/04/2003 | Dissolved |
| B.I.S. NOMINEES LIMITED | 03618983 | 06/09/2003 | Dissolved |
| EDX LIMITED | 04613622 | 10/12/2002 | Dissolved |
| FTSE INTERNATIONAL LIMITED | 03108236 | 22/11/2018 | Gold |
| Ix-International Exchanges Ltd | 03900999 | 10/07/2001 | Dissolved |
| LMTX LIMITED | 04626989 | 02/01/2003 | Dissolved |
| LONDON STOCK EXCHANGE (C) LIMITED | 07943990 | 09/02/2012 | Silver |
| LONDON STOCK EXCHANGE GROUP (SERVICES) LIMITED | 09313935 | 17/11/2014 | Amber |
| LONDON STOCK EXCHANGE GROUP HOLDINGS (ITALY) LIMITED | 06795359 | 08/10/2020 | Bronze |
| LONDON STOCK EXCHANGE GROUP HOLDINGS (R) LIMITED | 07388645 | 27/09/2010 | Amber |
| LONDON STOCK EXCHANGE GROUP HOLDINGS LIMITED | 06795362 | 20/01/2009 | Silver |
| LONDON STOCK EXCHANGE REG HOLDINGS LIMITED | 07378551 | 16/09/2010 | One Red Flag |
| LSEG (ELT) LIMITED | 09794147 | 17/01/2018 | Not Trading |
| LSEG BUSINESS SERVICES LIMITED | 08980140 | 04/04/2014 | Amber |
| LSEG EMPLOYMENT SERVICES LIMITED | 09100833 | 24/06/2014 | Bronze |
| LSEG F3 LIMITED | 13059566 | 03/12/2020 | Not Trading |
| LSEG INTERCO LIMITED | 07629267 | 10/05/2011 | Dissolved |
| LSEG TECHNOLOGY LIMITED | 07484865 | 06/01/2011 | Amber |
| LSEGA FINANCING PLC | 13091751 | 21/12/2020 | Silver |
| LSEGA LIMITED | 12224744 | 24/09/2019 | Silver |
| LSEGA2 LIMITED | 12225042 | 24/09/2019 | Silver |
| LSEGH (LUXEMBOURG) LIMITED | 09297419 | 05/11/2014 | One Red Flag |
| SEPON LIMITED | 01280372 | 01/02/2001 | Dissolved |
| SSC GLOBAL BUSINESS SERVICES LIMITED | 07584392 | 30/03/2011 | Amber |
| STOCK EXCHANGE (HOLDINGS) LIMITED(THE) | 00459577 | 28/03/2003 | Strike Off |
| THE STOCK EXCHANGE (PROPERTIES) LIMITED | 02043136 | 28/03/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EXACTPRO SYSTEMS LIMITED | 09485548 | 29/05/2015 | 17/01/2018 | One Red Flag |
| LCH GROUP HOLDINGS LIMITED | 04743602 | 01/01/2018 | 13/09/2018 | Silver |
| LONDON STOCK EXCHANGE GROUP HOLDINGS (ITALY) LIMITED | 06795359 | 20/01/2009 | 30/03/2009 | Bronze |
| LSEG (F) LIMITED | 11866055 | 07/03/2019 | 30/08/2024 | Silver |
| LSEG (M) FINANCING LIMITED | 10532155 | 23/12/2016 | 07/09/2023 | Bronze |
| LSEG F1 LIMITED | 12315951 | 14/11/2019 | 30/08/2024 | Silver |
| LSEG F2 LIMITED | 12316096 | 15/11/2019 | 30/08/2024 | Gold |
| LSEG PENSION TRUSTEES LIMITED | 09914015 | 11/12/2015 | 18/05/2016 | Not Trading |
| LUH FINANCING LIMITED | 13074308 | 09/12/2020 | 07/09/2023 | Gold |
| TURQUOISE GLOBAL HOLDINGS LIMITED | 07102717 | 11/12/2009 | 17/02/2010 | Silver |
| UK LSEG FINANCING 1 LIMITED | 13057087 | 02/12/2020 | 07/09/2023 | Bronze |
| UK LSEG FINANCING LIMITED | 13042334 | 25/11/2020 | 07/09/2023 | Amber |