Name of Subsidiary | Place of Incorporation | ||||
| Elmtree Inc. | Cayman Islands | ||||
| Elernity (Thailand) Co., Limited | Thailand | ||||
| Promethean World Limited | England and Wales | ||||
| Chalkfree Limited | England and Wales | ||||
| Promethean (Holdings) Limited | England and Wales | ||||
| Promethean Inc. | Delaware, USA | ||||
| Promethean Technology (Shenzhen) Limited | China | ||||
| Promethean Poland sp z.o.o. | Poland | ||||
| Promethean Limited | England and Wales | ||||
| Promethean GmbH | Germany | ||||
| Promethean Solutions LLP | India | ||||