- UBR
- UCC
- UCE
- UIF
- ultra vires
- ultra vires activity
- umbrella fund
- UN/EDIFACT
- unbalanced growth
- unbundling
- uncalled share capital
- uncertainty analysis
- uncollected funds
- uncollected trade bill
- unconditional bid
- unconsolidated
- uncontested bid
- uncovered bear
- UNCTAD
- underbanked
- underlying asset
- underlying inflation
- underlying security
- undermargined account
- undervalued
- undervalued currency
- underwrite
- underwriter
- underwriters' syndicate
- underwriting
- underwriting income
- underwriting spread
- undistributable reserves
- UNDP
- unearned income
- unearned increment
- unearned premium
- uneconomic
- unemployment
- unemployment compensation
- uneven playing field
- unfunded debt
- ungluing
- unhappy camper
- uniform business rate
- uniform commercial code
- uniform costing
- unimodal
- uninstalled
- uninsurable
- unique selling point
- unique visitor
- unissued share capital
- unissued stock
- unit
- unit cost
- unit of account
- unit of trade
- unit trust
- United Nations Conference on Trade and Development
- universe
- unlimited liability
- unlimited risk
- unlisted
- unlisted securities market
- unofficial strike
- unquoted
- unquoted investments
- unrealized capital gain
- unrealized profit/loss
- unreason
- unremittable gain
- unseasoned issue
- unsecured
- unsecured debt
- unsecured loan
- unsocial hours
- unstable equilibrium
- upsell
- upsizing
- upstairs market
- upstream progress
- uptitling
- URL
- usability
- used credit
- usenet
- USM
- USP
- utopian socialism
