ISA
See Individual Savings Account.

• unfair dismissal
• unfair prejudice
• unfavourable witness
• UNFCCC
• unfitness or incompetence
• unfit to plead
• Unified Patent Court
• Uniform Business Rate
• unilateral contract
• unilateral discharge
• unilateral mistake
• unincorporated body
• union membership agreement
• unitary authority
• Unitary Patent
• United Kingdom Internal Market Act 2020
• United Nations
• United Nations Commission on International Trade Law
• United Nations Convention on Contracts for the International Sale of Goods
• United Nations Framework Convention on Climate Change
• Uniting for Peace Resolution
• unit trust
• unity of personality
• unity of seisin
• Universal Credit