| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CALLAN EDUCATION GROUP LIMITED | 08072199 | 23/05/2012 | Dissolved |
| CALLAN MANAGEMENT ORGANISATION LIMITED | 01479886 | 30/04/2012 | Dissolved |
| CALLAN PUBLISHING LIMITED | 08241245 | 05/10/2012 | Dissolved |
| CALLAN SCHOOL LONDON LIMITED | 08063771 | 23/05/2012 | Dissolved |
| DOCUSNAP LTD | 08574807 | 17/06/2015 | Dissolved |
| INFATEL LIMITED | 07874497 | 12/03/2012 | Dissolved |
| MAYBROOK VENTURES LIMITED | 07844519 | 11/11/2011 | Dissolved |
| RODDICK LTD | 05585380 | 30/10/2013 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUSINESS INTERNET SERVICES LIMITED | 03200684 | 31/01/2013 | 16/05/2019 | One Red Flag |
| CALLAN METHOD INTERNATIONAL LIMITED | 07886684 | 19/12/2011 | 08/04/2016 | Silver |
| CALLAN METHOD ORGANISATION LIMITED | 07247355 | 13/05/2013 | 08/04/2016 | Silver |
| CALLAN ONLINE LIMITED | 07886867 | 20/12/2011 | 08/04/2016 | Gold |
| CALLAN WORKS LIMITED | 07310498 | 01/11/2012 | 08/04/2016 | Silver |
| KERBURN GOLD LIMITED | 09720921 | 06/08/2015 | 04/12/2015 | Bronze |
| ORCHARD PUBLISHING CO LIMITED | 02740276 | 13/07/2012 | 22/06/2021 | Silver |
| ORCHARD TEA GARDEN LIMITED | 07247401 | 13/05/2013 | 04/12/2015 | One Red Flag |
| PP FAMILY OFFICE LIMITED | 10651264 | 03/03/2017 | 20/09/2018 | Bronze |
| R364 LIMITED | 10385898 | 12/05/2017 | 20/09/2017 | Gold |
| SOCIALSTOCK LIMITED | 06216816 | 01/04/2012 | 03/10/2012 | Dissolved |