Exhibit 21.1
Subsidiaries of Tradeweb Markets Inc.
| Subsidiary | Jurisdiction of Incorporation / Formation | ||
| 1. | Tradeweb Markets LLC | Delaware | |
| 2. | BNX LLC | Delaware | |
| 3. | BondDesk Canada Holdings, Inc. | Delaware | |
| 4. | BondDesk Group LLC | Delaware | |
| 5. | Dealerweb Inc. | New York | |
| 6. | DW SEF LLC | Delaware | |
| 7. | M.P.A. Technologies, Inc. | California | |
| 8. | Munigroup.com, LLC | Delaware | |
| 9. | Tech Hackers LLC | Delaware | |
| 10. | TIPS LLC | Wyoming | |
| 11. | Tradeweb Asia Holdings Limited | Hong Kong | |
| 12. | Tradeweb Direct LLC | Delaware | |
| 13. | Tradeweb EU B.V. | Netherlands | |
| 14. | Tradeweb Europe Limited | England and Wales | |
| 15. | Tradeweb Global Holding LLC | Delaware | |
| 16. | Tradeweb Global LLC | Delaware | |
| 17. | Tradeweb IDB Markets, Inc. | Delaware | |
| 18. | Tradeweb Japan K.K. | Japan | |
| 19. | Tradeweb LLC | Delaware | |
| 20. | Tradeweb Markets International LLC | Delaware | |
| 21. | TW SEF LLC | Delaware | |
| 22. | TWEL Holding LLC | Delaware |
