Exhibit 21.1
SUBSIDIARIES OF THE REGISTRANT
| Subsidiary | Jurisdiction of Incorporation or Organization | |
| Fleet Street (US) Corp. | Delaware | |
| Intellinx Software Inc. | Delaware | |
| Bottomline Holdings LLC | Delaware | |
| BT General LLC | Delaware | |
| Create!form International, LLC | Delaware | |
| LAS Holdings LLC | Delaware | |
| LAS Services LLC | Delaware | |
| Allegient Systems LLC | Delaware | |
| Optio Software, LLC | Delaware | |
| Bottomline Technologies (Aust) Pty Ltd. | Australia | |
| CLS Research Pty Ltd. | Australia | |
| Corporate Drive Holdings SRL | Barbados | |
| Bottomline Technologies (Canada), Inc. | Canada | |
| Sterci Canada, Inc. | Canada | |
| Bottomline Technologies S.A. | France | |
| Sterci SAS | France | |
| Bottomline Technologies GmbH | Germany | |
| Intellinx Ltd. | Israel | |
| Bottomline Technologies PTE LTD | Singapore | |
| Bottomline Technologies Sarl | Switzerland | |
| AFP Holdings Limited | United Kingdom | |
| Bottomline Technologies Limited | United Kingdom | |
| Bottomline Technologies Europe Limited | United Kingdom | |
| Chatham Street Technologies Limited | United Kingdom | |
| Chatham Street LP | United Kingdom |