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Lesson 1.5 · 5 of 5 · First steps

How to choose a stock broker: licence, protection and costs

To choose a broker, first check that it is authorised by the financial regulator. Then look at how your money is protected if the firm fails, at the costs, and at what you are really buying: the share itself or a CFD, a contract that only tracks its price.

6 minBeginnerUpdated October 30, 2026
0 of 5 exercises

Terms in this lesson

Broker
The firm through which you buy and sell stocks, ETFs and other investments.
Investor compensation scheme
The protection that returns your cash and shares, up to a limit, if your broker goes bankrupt.
CFD
A contract with your broker that pays or charges you the price move, without owning the asset.
Trading commission
What it costs you to buy, sell and hold shares at a broker.

Opening question

You want to open your first account with a broker. What do you check first?

It does not matter if you get it wrong: trying first helps you remember.

What does a broker do?

Definition

What does a broker do?

It takes your orders to the stock exchange and holds your shares.

Stock exchanges do not deal directly with the public. A broker is the go-between: it receives your order, carries it out on the exchange and holds the shares in your account. Client money and shares must be kept separate from the firm’s own money.

ExecutesYour orders

It buys and sells for you, at the market price or at a price you choose.

HoldsYour shares

It keeps them in an account in your name, separate from the firm’s money.

ReportsWhat you own and earn

It sends you statements and, at the end of the year, the documents you need for tax.

Check yourself

The authorised broker you use goes bust. What normally happens to your shares?

Checking a broker’s licence, protection and costs

Where you liveWho supervises brokersProtection if money or shares go missing
UKFCA (Financial Conduct Authority)up to £85,000 per person, per firm, through the FSCS
Ireland and the EUthe national regulator, such as the Central Bank of Irelandusually up to €20,000 per investor, the EU minimum
USSEC and FINRAup to $500,000, including $250,000 in cash, through SIPC

You can check a firm on the FCA register, the register of your EU regulator or FINRA BrokerCheck. The limits shown are those currently in force.

Myth or fact?

“The compensation scheme will pay me back if my shares fall in value.”

Once the licence checks out, compare the costs. These are the ones that matter most often:

  • Commission per trade: zero at some brokers, a fixed fee or a percentage at others.
  • Currency conversion: on shares priced in dollars, some brokers add a charge every time they convert your pounds or euros.
  • Platform or inactivity fees: some charge a monthly or yearly fee, or a fee if you do not trade.
  • Withdrawals: check that taking your money out is free. The details are in the guide to costs.

A share broker or a CFD broker?

You buy the shareshare broker

  • The share is yours: you receive dividends and can vote
  • You can lose at most what you invested
  • Suits long-term investing
  • You need the full amount for the position

You buy a CFDcontract for difference

  • You can also profit from a falling price
  • You do not own the share: you hold a contract with the broker
  • It uses leverage: gains and losses are multiplied
  • You pay a fee for every night you hold the position
74-89%of retail CFD accounts lose money, according to the EU regulator ESMA
5:1maximum leverage in the EU on CFDs on individual shares
30:1maximum leverage in the EU on major currency pairs

Check yourself

In an app you see a “Buy” button next to Apple, but the corner says “CFD, leverage 5:1”. What do you buy if you tap it?

This exercise is in the free account, where we also save your progress.

Create a free account

How to open a broker account, step by step

Put in order

Put the steps in order, from first to last.

This exercise is in the free account, where we also save your progress.

Create a free account

What would you do?

You have found two authorised brokers. The first charges no commission, but its currency conversion is more expensive and its app is hard to follow. The second charges a fixed fee per trade, has a clear app and phone support. What do you choose?

This exercise is in the free account, where we also save your progress.

Create a free account

Ready to start?

Where you can open an account

Regulated brokers available where you live.

Check every broker on the regulator’s register before depositing money. The full list of checks is in the guide to choosing a broker.

Trading212

Stock broker
4.3

Commission-free stock and ETF investing with a simple multi-currency account.

Stock fee
£0/€0/$0 per trade0.15% FX fee applies when converting between currencies
Minimum deposit
£1/€1/$1
Regulated by
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77% of retail CFD accounts lose money.

Some links are affiliate links: if you open an account, we may earn a commission at no cost to you. Investing involves the risk of losing money. Compare all brokers

What you learned

  • The first thing to check about a broker is its authorisation on the regulator’s register.
  • A compensation scheme protects you if the broker fails, not if prices fall.
  • A CFD is not a share: it is a leveraged contract on which most retail clients lose money.

You reached the end

Keep what you learned

With a free account we remember your lessons, bring back the questions you got wrong exactly when you need them and keep your streak.

Save your progress with a free account
Next lesson · 5 minEmergency fund

Lessons are educational. They are not a recommendation to buy or sell. Investing involves risk and you can lose money. Sources: FSCS investment protection limit (£85,000); SIPC protection limits ($500,000, including $250,000 cash); EU Investor Compensation Schemes Directive 97/9/EC (€20,000 minimum); ESMA product intervention measures on CFDs of 27 March 2018 (74-89% of retail accounts lose money; leverage limits); MiFID II rules on safeguarding client assets and appropriateness.