- Trelleborg
- Trianel GmbH
- Trice Imaging
- TripActions
- TripAdvisor
- Tritha GmbH
- Triumph International
- trivago
- Trixter GmbH
- trnd
- Trouva
- Trovan
- Troy Corporation
- TRUMPF GmbH Co. KG
- Trustly BCN
- Trustpilot
- Trustwave
- TUI Group
- TuneIn
- Turner Broadcasting System
- Twilio
- Twitch
- Uber
- Uber Eats
- Ubisoft
- Ubisoft: Massive Entertainment
- UBS
- UCB
- Udacity
- Udemy
- UDG Healthcare
- Ultimaker
- Umicore
- Umwelt und Informationstechnologie Zentrum GmbH
- Unbabel
- Unbounce
- Under Armour
- UNDP - United Nations Development Programme
- Unifeeder A/S
- Unilever
- Unilever Denmark
- Union Investment
- Uniper
- UNIQLO
- Unique Human Capital
- Unister