Companies, U
UU.S. BancorpInsurance companies · United States·Hard to displaceUUaláPayments companies · Argentina·Losing its protectionUUalaArgentina·Losing its protectionUUber EatsE-commerce and marketplaces · United States·Hard to displaceUUber FreightLogistics and supply chain companies · United States·Losing its protectionUUber TechnologiesLogistics and supply chain companies · United States·Defensible for nowUUbieMedical technology and health companies · Japan·Losing its protectionUUbiquiti Inc.Telecom infrastructure · United States·Defensible for nowUUbiregiVertical and industry software · Japan·Protection under testUUbisoftGaming companies · France·Losing its protectionUUBS GroupInsurance companies · Switzerland·Defensible for nowUUBTECH RoboticsRobotics and industrial automation · China·Losing its protectionUUBTech RoboticsAI companies and labs · China·Losing its protectionUUCBPharma and healthcare groups · Belgium·Hard to displaceUUCloudTelecom operators · China·Protection under testUUDA TechnologiesVertical and industry software · United States·Protection under testUUdaanE-commerce and marketplaces · India·Losing its protectionUUdacityEducation companies · United States·Losing its protectionUUdemyJob boards and HR platforms · United States·Losing its protectionUUdioAI companies and labs · United States·Little protection leftUUDR, Inc.Real estate developers · United States·Hard to displaceUUDynamics LimitedHong Kong·Losing its protectionUUEM SunriseReal estate developers · Malaysia·Protection under testUUiPathAI companies and labs · United States·Losing its protectionUUJETBPO and customer operations firms · United States·Losing its protectionUUKG (Ultimate Kronos Group)Job boards and HR platforms · United States·Defensible for nowUUkroboronpromSpace, defense and state enterprises · Ukraine·Losing its protectionUuLessonEducation companies · Nigeria·Losing its protectionUUlta BeautyRetail and consumer conglomerates · United States·Defensible for nowUUltima GenomicsBiotech tools companies · United States·Losing its protectionUUltra Clean HoldingsSemiconductor companies · United States·Protection under testUUltragenyx PharmaceuticalPharma and healthcare groups · United States·Losing its protectionUUMA ProtocolCrypto and digital asset companies · United States·Losing its protectionUUmbraSpace, defense and state enterprises · United States·Losing its protectionUUnacademyEducation companies · India·Little protection leftUUnanetGovernment and public sector tech · United States·Defensible for nowUUnconventional AIUnited States · United States·Losing its protectionUUndead LabsGaming companies · United States·Protection under testUUnder ArmourConsumer brands · United States·Losing its protectionUUnderstudyYC Summer 2026 · United States·Losing its protectionUUnderstudy LabsYC Summer 2026 · United States·Losing its protectionUUNESCONonprofits and NGOs · France·Protection under testUUNHCR (UN Refugee Agency)Nonprofits and NGOs · Switzerland·Losing its protectionUUni-President EnterprisesRetail and consumer conglomerates · Taiwan·Hard to displaceUUni-President Enterprises CorporationFood tech and alternative protein · Taiwan·Hard to displaceUUnibail-Rodamco-WestfieldReal estate developers · France·Hard to displaceUUNICEFNonprofits and NGOs · United States·Defensible for nowUUnicoBrazil·Protection under testUUniCreditBanks and financial groups · Italy·Hard to displaceUUnifoldYC Winter 2026 · United States·Little protection leftUUnilab (United Laboratories)Pharma and healthcare groups · Philippines·Hard to displaceUUnileverRetail and consumer conglomerates · United Kingdom·Hard to displaceUUnion Bank of IndiaInsurance companies · India·Hard to displaceUUnion PacificRail and transport infrastructure · United States·Hard to displaceUUnionPayPayments companies · China·Hard to displaceUUniphoreBPO and customer operations firms · India·Losing its protectionUUnisemSemiconductor companies · Malaysia·Losing its protectionUUNISOCSemiconductor companies · China·Losing its protectionUUnisoundAI companies and labs · China·Losing its protectionUUnissonYC Winter 2026 · United States·Protection under testUUniswapUnited States · United States·Losing its protectionUUniswap LabsCrypto and digital asset companies · United States·Losing its protectionUUnisysIT services and system integrators · United States·Protection under testUUnitPayments companies · United States·Losing its protectionUUnit21Accounting, tax and business software · United States·Losing its protectionUUnite UsUnited States · United States·Losing its protectionUUnited Aircraft Corporation (UAC)Space, defense and state enterprises · Russia·Losing its protectionUUnited Airlines HoldingsRail and transport infrastructure · United States·Hard to displaceUUnited Arrows Ltd.Consumer brands · Japan·Defensible for nowUUnited Imaging HealthcareMedical technology and health companies · China·Defensible for nowUUnited Launch AllianceSpace, defense and state enterprises · United States·Losing its protectionUUnited Microelectronics Corporation (UMC)Semiconductor companies · Taiwan·Protection under testUUnited Natural FoodsRetail and consumer conglomerates · United States·Losing its protectionUUnited Overseas BankInsurance companies · Singapore·Hard to displaceUUnited RentalsRetail and consumer conglomerates · United States·Hard to displaceUUnited Talent Agency (UTA)Creator economy and media tech · United States·Losing its protectionUUnitedHealth GroupInsurance companies · United States·Defensible for nowUUnitedMastersCreator economy and media tech · United States·Losing its protectionUUnitree RoboticsRobotics and industrial automation · China·Losing its protectionUUnity TechnologiesCloud and infrastructure providers · United States·Losing its protectionUUniversal Health ServicesPharma and healthcare groups · United States·Defensible for nowUUniversal Music GroupBroadcast and traditional media · France·Hard to displaceUUniversal Robina CorporationRetail and consumer conglomerates · Philippines·Hard to displaceUUniversal RobotsRobotics and industrial automation · Denmark·Losing its protectionUUniversity of California, BerkeleyUniversities and education institutions · United States·Hard to displaceUUniversity of CambridgeUniversities and education institutions · United Kingdom·Hard to displaceUUniversity of ChicagoUniversities and education institutions · United States·Hard to displaceUUniversity of Hong KongUniversities and education institutions · Hong Kong·Hard to displaceUUniversity of MelbourneUniversities and education institutions · Australia·Hard to displaceUUniversity of MichiganUniversities and education institutions · United States·Hard to displaceUUniversity of OxfordUniversities and education institutions · United Kingdom·Hard to displaceUUniversity of PhoenixUniversities and education institutions · United States·Losing its protectionUUniversity of SydneyUniversities and education institutions · Australia·Hard to displaceUUniversity of TokyoUniversities and education institutions · Japan·Hard to displaceUUniversity of TorontoUniversities and education institutions · Canada·Hard to displaceUUno WalletYC Spring 2026 · United States·Little protection leftUUnqorkGovernment and public sector tech · United States·Protection under testUUnsiloed AIYC Fall 2025 · United States·Protection under testUUnsplashDesign and creative software · Canada·Losing its protectionUUnstoppable DomainsUnited States · United States·Losing its protectionUUnstructuredUnited States·Losing its protectionUUntappdConsumer platforms · United States·Losing its protectionUUntether AISemiconductor companies · Canada·Little protection leftUUnum GroupInsurance companies · United States·Hard to displaceUUOL GroupReal estate developers · Singapore·Hard to displaceUUp BankingBanks and financial groups · Australia·Hard to displaceUUpbit (Dunamu)Crypto and digital asset companies · South Korea·Defensible for nowUUpCloudTelecom operators · Finland·Losing its protectionUUpfluenceCreator economy and media tech · France·Protection under testUupGradEducation companies · India·Losing its protectionUUpgradePayments companies · United States·Protection under testUUpGuardCybersecurity companies · Australia·Losing its protectionUUPL LimitedFood tech and alternative protein · India·Defensible for nowUUplaneYC Fall 2025 · United States·Losing its protectionUUppbeatDesign and creative software · United States·Protection under testUUPSRail and transport infrastructure · United States·Defensible for nowUUpscale AIUnited States · United States·Losing its protectionUUpsideUnited States · United States·Losing its protectionUUpside FoodsFood tech and alternative protein · United States·Losing its protectionUUpstageAI companies and labs · South Korea·Losing its protectionUUpstartPayments companies · United States·Losing its protectionUUpstoxPayments companies · India·Losing its protectionUUptakeUnited States · United States·Little protection leftUUpwindUnited States · United States·Losing its protectionUUpworkJob boards and HR platforms · United States·Losing its protectionUUrban CompanyConsumer platforms · India·Losing its protectionUUrban JungleInsurance technology companies · United Kingdom·Losing its protectionUUrban Outfitters Inc.Consumer brands · United States·Defensible for nowUUrban RevivoConsumer brands · China·Losing its protectionUUrbanPiperVertical and industry software · India·Losing its protectionUUrsa Major TechnologiesSpace, defense and state enterprises · United States·Losing its protectionUUS CellularTelecom infrastructure · United States·Little protection leftUUS Foods HoldingRetail and consumer conglomerates · United States·Hard to displaceUUSAAInsurance companies · United States·Hard to displaceUUSAIDUnited States·Little protection leftUUSC (University of Southern California)United States·Defensible for nowUUscreenCreator economy and media tech · United States·Protection under testUUserlensYC Spring 2026 · United States·Losing its protectionUUserlikeBPO and customer operations firms · Germany·Protection under testUUserVoiceBPO and customer operations firms · United States·Little protection leftUUSTIT services and system integrators · United States·Losing its protectionUUtimacoCybersecurity companies · Germany·Hard to displaceUUWorldEducation companies · United States·Hard to displaceUUXPinDesign and creative software · Poland·Little protection leftUUzabaseData and analytics companies · Japan·Protection under testUUzumUzbekistan·Defensible for now