| TK Maxx |
| To The Core Of Things SL |
| Toast Ale Ltd |
| Tohe Joint Stock Company |
| Tom Fleming Creative Consultancy |
| Tom's of Maine |
| Tongues on Fire |
| Tony's Factory B.V. |
| Top Shop / Top Man (Holdings) Limited group |
| Top Skills Centre |
| Topgolf Callaway Brands Corp |
| Total Security (Société Total Sécurity) |
| TotalEnergies SE |
| TotsBots Ltd |
| Touchstone FMS Ltd |
| Touchstone Group |
| Toyota Motor Corp |
| Traditional Dance Forum Scotland |
| Traidcraft PLC (ceased) |
| Transform Trade |
| Transform Trade (formerly Traidcraft Exchange) |
| Transformedia Culture C.I.C |
| Travel Center Tunisia |
| Travis Perkins plc |
| Trek Bicycle Corporation |