| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Eaton Fine Dining Ltd | 02107588 | 02/03/2004 | Dissolved |
| R C O Holdings Plc | 01414111 | 20/07/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APPLIED FLOORING TECHNOLOGY LIMITED | 03240099 | 11/04/2002 | 30/12/2002 | Dissolved |
| Blue Ribbon Group Ltd | 02600324 | 13/01/2005 | 01/08/2006 | Dissolved |
| Bolen Security Services Ltd | 02165177 | 13/01/2005 | 01/08/2006 | Dissolved |
| C.S.F.M (HOLDINGS) LIMITED | 03283012 | 11/04/2002 | 27/10/2010 | Dissolved |
| COFLEX LIMITED | 03415547 | 23/03/2004 | 27/10/2010 | Dissolved |
| CONCORD INTEGRATED SERVICES LIMITED | 02527788 | 11/04/2002 | 27/10/2010 | Dissolved |
| EMPRISE SERVICES HOLDINGS LIMITED | 09622179 | 11/09/2015 | 05/09/2016 | Dissolved |
| ES REALISATIONS 2017 PLC | 02039233 | 11/09/2015 | 05/09/2016 | One Red Flag |
| FIRST IN CATERING LIMITED | 03365920 | 11/04/2002 | 27/10/2010 | Dissolved |
| HI-TECH PLUS LIMITED | 01957228 | 11/04/2002 | 27/10/2010 | Dissolved |
| IMPRESSIONS CLEANING SCOTLAND LIMITED | SC162236 | 13/01/2005 | 27/10/2010 | Dissolved |
| ISS CATERING LIMITED | 02448653 | 07/12/2001 | 27/10/2010 | Dissolved |
| ISS ENVIRONMENTAL SERVICES LIMITED | 04085449 | 13/01/2005 | 27/10/2010 | Dissolved |
| ISS FACILITY SERVICES LIMITED | 00890885 | 03/08/1992 | 05/10/2009 | Silver |
| ISS FOOD HYGIENE LTD | 00890886 | 01/12/2000 | 27/10/2010 | Dissolved |
| ISS INTERNATIONAL SERVICE SYSTEM LIMITED | 02735688 | 13/01/2005 | 27/10/2010 | Dissolved |
| ISS SCOTLAND LIMITED | SC045865 | 01/01/1996 | 27/10/2010 | Dissolved |
| ISS SERVISYSTEM LIMITED | 00711077 | 01/12/1995 | 01/08/2006 | Insolvent |
| ISS SERVISYSTEM MIDLANDS LIMITED | 03528729 | 01/12/2000 | 27/10/2010 | Dissolved |
| ISS SERVISYSTEM NORTH LIMITED | 02101108 | 02/01/2001 | 27/10/2010 | Dissolved |
| ISS SERVISYSTEM SOUTH LIMITED | 03512871 | 01/12/2000 | 27/10/2010 | Dissolved |
| ISS SERVISYSTEM SOUTHWEST AND WALES LIMITED | 02293735 | 14/08/2000 | 27/10/2010 | Dissolved |
| ISS UK HOLDING LIMITED | 05545311 | 25/08/2005 | 18/01/2013 | Silver |
| ISS UK LIMITED | 00463951 | 07/06/1999 | 05/10/2009 | Silver |
| ISS WORKWEAR AND WASHROOM SERVICES LIMITED | 01018271 | 02/01/2001 | 27/10/2010 | Dissolved |
| Iss Multiservice Ltd | 03910219 | 14/08/2000 | 01/08/2006 | Dissolved |
| Iss Payroll Services Ltd | 01674079 | 13/01/2005 | 01/08/2006 | Dissolved |
| Iss Supplies Ltd | 01195664 | 13/01/2005 | 01/08/2006 | Dissolved |
| Iss Transport Services Ltd | 01252929 | 09/02/1993 | 01/08/2006 | Dissolved |
| JANITORIAL SUPPLIERS LIMITED | SC196173 | 13/01/2005 | 27/10/2010 | Dissolved |
| LANDFORD CLEANING SERVICES LIMITED | SC109130 | 30/11/2001 | 27/10/2010 | Dissolved |
| Osprey Cleaning Contractor Ltd | 03001997 | 10/01/2005 | 01/08/2006 | Dissolved |
| POLYGON DAMAGE CONTROL LIMITED | 04143834 | 22/11/2002 | 05/10/2009 | One Red Flag |
| RCO GROUP LIMITED | 01290976 | 20/07/2000 | 27/10/2010 | Dissolved |
| RCO SUPPORT SERVICES LIMITED | 00933880 | 20/07/2000 | 27/10/2010 | Dissolved |
| Rco Contract Services Ltd | 00488571 | 20/07/2000 | 01/08/2006 | Dissolved |
| SPECTRUM FRANCHISING LIMITED | 02130421 | 13/09/2004 | 05/10/2009 | Bronze |
| SPECTRUM HOLDINGS LIMITED | 02514733 | 13/09/2004 | 05/10/2009 | Silver |
| SWIRL HOLDINGS LIMITED | 03068832 | 17/01/2005 | 27/10/2010 | Dissolved |
| WE ARE CLEANING (G.B.) LIMITED | 01394256 | 11/04/2002 | 27/10/2010 | Dissolved |