Practical UK Money & Investing Insights
Clear, research-led guides on savings, ISAs, investing, tax and everyday money decisions backed by reliable UK sources.
Research-led UK finance
Practical guides, calculators and explainers covering the money decisions that matter to UK households.

Insights that move UK markets
Savings & ISAs
Cash ISAs, savings rates & tax-free allowances
Investing
Stocks, funds, ETFs & portfolio strategy
Personal Finance
Budgeting, debt & everyday money decisions
UK Money & Tax
Allowances, tax bands & UK tax-smart saving
Market Insights
FTSE 100, gilts & Bank of England moves
Free UK Finance Calculators
Free, pounds-based calculators and trackers to plan savings, ISAs, investments and pensions — no sign-up required.
Compound Interest Calculator
See how regular contributions compound into a seven-figure pot, with an inflation-adjusted yearly breakdown in pounds.
OpenInvestment & ISA Planner
Model monthly stocks and shares ISA contributions and lump sums, and project your wealth in pounds.
OpenPremium Bond Checker
Check whether your Premium Bonds have won a prize using the latest NS&I draw data.
OpenPension & Retirement Calculator
Project your pension pot, sustainable monthly income and how long your savings will last.
OpenBest ISA Rates
Compare today's top cash ISA rates from UK providers, updated regularly.
OpenPremium Bonds
See the latest Premium Bonds prize draws and recent winners.
Open