Investing in the UK looks complicated from the outside. It's mostly three decisions.
1. Use a Stocks & Shares ISA
You get £20,000 a year of tax-free investing. No tax on growth, no tax on income. Many platforms offer one, and fees vary, so compare the platform charge and fund charges before you choose.
2. Pick a global index fund
A global index fund holds thousands of companies across the world in one product, which spreads your risk compared with picking individual shares. Look at the ongoing charge, as low fees make a big difference over time.
3. Automate and ignore
Set a monthly direct debit you can actually afford. £50, £100, £500 — whatever fits. The point isn't the amount; it's the not-stopping. Markets fall, you keep buying. Markets rise, you keep buying. The 30-year chart is what matters.
What about a pension?
If your employer offers a workplace pension with matched contributions, take it first — it's free money. Then top up the ISA.
Capital at risk. The value of investments can go down as well as up, and you may get back less than you put in. Only invest money you won't need for at least five years, and build an emergency fund first.
This is general information, not financial advice, and we don't recommend any provider or fund. If you're unsure, speak to a regulated financial adviser or use the free guidance at MoneyHelper.