How to choose a broker for ETFs
A broker is simply the shop where you buy and hold your funds. A few things separate a good one for beginners from an awkward one — and none of it is about picking the ‘best’.
Safety comes first
Before anything else, confirm the broker is regulated by a recognised authority in a country you trust — the FCA in the UK, BaFin in Germany, AFM in the Netherlands, and so on. Regulation means the broker is subject to capital requirements, conduct rules, and regular audits. Beyond that, check your investments are held in segregated accounts — kept separately from the broker’s own money, so they are still yours even if the broker runs into financial trouble. Most regulated brokers also fall under investor-protection schemes (£85,000 per person in the UK, €20,000 in the EU) as an additional backstop. A marginally cheaper fee is no bargain at an untrustworthy or unregulated shop — safety really does come first.
Understand the fee structure
Trading fees vary considerably, and the structure matters as much as the headline number. Some brokers charge a flat fee per trade (say, £3–10 regardless of size), which favours larger, less frequent purchases. Others charge a percentage of the trade value, which looks cheap per pound invested on small amounts but adds up on larger ones. A third model offers free trades on a curated list of ETFs and charges for everything else. For someone investing a small fixed amount each month, a broker with cheap or free savings-plan orders matters more than the headline trading fee. For someone making large one-off purchases, a low flat fee often wins. Match the fee structure to how you actually plan to invest.
What else to compare
Once safety and fees are sorted, weigh the practical details. Fund choice: does the broker actually list the ETFs you want, and on which exchanges? Savings plans: can you set up a cheap or free automatic monthly purchase? Tax wrappers: does it offer an ISA, SIPP, or equivalent tax-sheltered account for your country? Holding ETFs inside a tax wrapper rather than a plain dealing account can compound significantly over years, so a broker that does not offer one may cost you more in tax than it saves in fees. These three — fund choice, savings plans, and tax wrappers — determine most of what a beginner will care about across a decade of investing.
The everyday experience
After the structural questions, the smaller things matter too. Is the app or website clear enough that you can review your holdings and place an order without second-guessing every step? How does the broker handle currency conversion when you buy an ETF priced in a foreign currency — does it charge a fair exchange rate, or quietly add a hidden margin? Is there sensible customer support if something goes wrong — a phone number, a live chat, a reasonable response time? These details rarely make or break a choice, but they determine how pleasant or frustrating the experience is across hundreds of transactions over many years. A broker that is slightly more expensive but far easier to use often costs you less in mistakes over time.
Fractional shares and minimum amounts
Some brokers now allow you to buy fractional shares — a portion of a single ETF unit rather than a whole one. This matters most when you are investing small amounts: an ETF priced at £80 can only be bought in whole numbers at most brokers, leaving cash sitting idle between purchases. A broker offering fractional units lets you put every pound of a monthly contribution to work immediately, without accumulating idle cash. Not all brokers offer this, and the mechanics vary — some use nominee structures that affect how holdings are recorded. If you plan to invest a small fixed amount each month, check whether fractional units are available before making your choice.
How to decide — and switching later
There is no single best broker for everyone — the right one depends on where you live, what you want to buy, how large your investments will be, and how hands-on you plan to be. A sensible approach: shortlist two or three regulated options, compare them on the points above, and open with the one that fits your situation best right now. You are not locked in permanently — most brokers let you transfer holdings to another provider later, though it can take time and occasionally a small fee. Starting with a perfectly adequate broker and switching when you outgrow it is a completely valid plan. We set out what to look at; which broker you choose is entirely yours to decide.