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| Subsidiary | | Incorporation |
| American Pet Insurance Company | | United States, New York |
| Trupanion Managers USA, Inc. | | United States, Arizona |
| Canada Pet Health Insurance Services, Inc. | | Canada, Ontario |
| Wyndham Insurance Company (SAC), Ltd. | | Bermuda |
| 6100 Building, LLC | | United States, Washington |
| Trupanion Canadian Shareholders Ltd. | | Canada, Alberta |
| Trupanion Alberta Holding Company, ULC | | Canada, Alberta |
| Trupanion Administration Canada, Inc. | | Canada, Ontario |
| Aquarium Software Limited | | United Kingdom |
| Aquarium Software Ireland Limited | | Republic of Ireland |
| ZPIC Insurance Company | | United States, Missouri |
| QPIC Insurance Company | | United States, Nebraska |
| Front Street Distribution Services, Inc. | | United States, Washington |
| US Pet Health Insurance Services, Inc. | | United States, Washington |
| GPIC Insurance Company | | Canada, Ontario |
| Smart Paws GmbH | | Germany |
| Royal Blue s.r.o. | | Czech Republic |
| PetExpert Belgium B.V. | | Belgium |
| PetExpert Europe s.r.o. | | Czech Republic |
| PetExpert SK s.r.o. | | Slovakia |
| Trupanion Japan, Inc. | | Tokyo, Japan |
| Blitz 22-452 AG | | Germany |
| PetExpert Insurance Services s.r.o. | | Czech Republic |