ISA
Individual Savings Account — a UK tax wrapper letting you invest up to an annual limit with no tax on gains, income or dividends.
Appears in these guides
- Cash ISA vs Stocks and Shares ISARetirement & Wealth Building
- ISA Transfers: Moving Between Cash and Stocks & SharesRetirement & Wealth Building
- ISA vs Pension: Choosing Your WrapperRetirement & Wealth Building
- ISAsBrokers & Accounts
- Market CapitalisationStocks & Shares
- Stocks and Shares ISA TaxRetirement & Wealth Building
Related terms
Related lessons

Cash Accounts
The simple, sensible default brokerage account: what a cash account is, how settlement and settled funds work, why it carries no borrowing risk, what happens to uninvested cash, and why it suits almost every beginner.

Commissions
The explicit cost of trading: what commissions are, the forms they take, how the spread and currency fees act as hidden commissions, why 'commission-free' isn't free, and how trading costs quietly erode returns.

401(k)
The US workplace retirement plan: what a 401(k) is, how pre-tax (and Roth) contributions work, why an employer match is free money to claim first, how tax-deferred growth compounds, contribution limits, vesting, and the rules around accessing the money.
Ironclad Research provides educational content only. Nothing on this platform is financial advice, a recommendation, or an offer to buy or sell any security. Always do your own research and consider professional advice before making financial decisions.