| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHARLOTTE HOUSE LTD | 04992610 | 06/02/2007 | Dissolved |
| CHARLOTTE HOUSE LTD | 04992610 | 28/09/2011 | Dissolved |
| INTERNATIONAL HOUSE EDINBURGH LIMITED | 09276383 | 23/10/2014 | Dissolved |
| INTERNATIONAL HOUSE NEWCASTLE TEACHER TRAINING LIMITED | 03360078 | 01/07/2009 | Amber |
| NEWCASTLE RESIDENTIAL ENGLISH LANGUAGE COURSES LIMITED | 04375154 | 26/02/2002 | Dissolved |
| NORTHUMBRIA INTERNATIONAL SCHOOL OF ENGLISH LIMITED | 01381691 | 26/02/1999 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHARLOTTE HOUSE LTD | 04992610 | 18/12/2003 | 06/02/2007 | Dissolved |
| Durham Language Services Ltd | 03598474 | 30/03/2000 | 05/06/2001 | Dissolved |
| INTERNATIONAL HOUSE WORLD ORGANISATION LIMITED | 04423501 | 30/11/2003 | 02/05/2006 | Silver |
| INTERNATIONAL HOUSE WORLD ORGANISATION LIMITED | 04423501 | 01/05/2013 | 25/05/2016 | Silver |