| Tutors and Exams Limited |
| Twaweza Communications Limited |
| Twining Crosfield & Co Limited |
| Tyne Chease Limited |
| Typhoo Tea Ltd |
| UCC Coffee UK Limited |
| UCC Holdings Co Limited |
| UCLC Consultants Ltd |
| UEFA Club Competitions Online Store |
| Uganda National English Language Teachers’ Association (UNELTA) |
| UK Research and Innovation [UKRI] |
| Ukrainian Institute London |
| Ulster Bank |
| Ultra Glow Cosmetics Ltd |
| Umbrellium Limited |
| Underground Poems CIC |
| Uni-Technologies Sdn.Bhd |
| Unibel |
| Unilever |
| Unilever Home & Personal Care Division |
| Unilever N.V. |
| Unilever PLC |
| Unilever UK Ltd |
| Unilever United Stated Inc |
| Unilux |