| Company Name | Country | Website |
| Ultimate Yachts | www.ultimate-yachts.com | |
| Ultra Marine Yacht Charters | United States | www.ultramarineyacht.com |
| uneek rib charter | United Kingdom | www.uneekribcharter.com |
| Unique Yachting Monaco | www.unique-yachting-monaco.com | |
| United Yacht Sales | United States | www.unitedyacht.com |
5 Brokers