Which broker is best for investing in ETFs in the UK?

When you are building an ETF portfolio for the long haul, two things decide the result: a wide choice of funds and costs that do not quietly eat your returns. eToro nails both. You reach 900+ ETFs and pay zero commission to buy them, so on a fund you hold for ten or fifteen years and top up regularly, none of each purchase is skimmed away before it can compound.

The feature I love most for getting started is fractional shares from just a few dollars. You do not need the price of a whole share to own a slice of a broad global index; you invest the amount you choose, when you choose, which is exactly what dollar-cost averaging into an ETF is meant to look like. It puts a diversified portfolio within reach on a modest budget.

The safety matches the ambition. eToro is regulated by CySEC, the FCA and ASIC, has been NASDAQ-listed since 2025, keeps client funds segregated, and carries Lloyd's insurance up to one million dollars per client. It even pays interest on the cash you have not yet invested, a quiet tailwind between contributions.

Everything sits in one of the most polished apps on the market, and a $100,000 demo account lets you test your allocation before committing a cent. Wide fund choice, free ETF purchases and genuinely accessible fractions: eToro is a partner I recommend without the slightest reservation, right behind my editor's pick.

If keeping costs down is your single biggest priority as an ETF investor, Vantage is the name I keep returning to. Its running costs sit among the lowest I have measured, withdrawals are free, and you can open an account with a $50 minimum deposit. On a portfolio you fund month after month, that combination compounds in your favor: more of your capital works in the market instead of paying for the privilege of being there.

This is no flashy newcomer trading on a slick app alone. Vantage was founded in 2009 and is regulated by ASIC and the FCA, with client funds held in segregated accounts. That track record and that oversight are what let me take the low pricing seriously rather than treat it as a loss-leader.

The 1,000+ markets give an index investor real room to operate, with access to the major global benchmarks, the S&P 500 and broad international indices, that a passive portfolio is built around. I also rate the copy-portfolio feature: if you would rather not build everything from scratch, you can watch how more experienced investors allocate and hold over time.

The demo is unlimited too, so no clock forces you to commit before you are ready. For exposure to the world's big indices alongside a core ETF holding, at the best price-to-quality ratio on this list, this is the broker I would put your money behind without a moment's hesitation.

For ETF investing, XTB is my top pick, and the pricing argument is hard to beat: 0% commission on stocks and ETFs up to $100,000 of monthly volume. On a long-term holding where you buy a broad-market ETF like an S&P 500 or a global index tracker month after month, every dollar you do not lose to commission compounds for years. The vast majority of retail investors never come close to that threshold, so in practice you are building your core portfolio for free.

The range backs the promise. XTB carries 11,600+ markets with stocks and ETFs front and center, from the index staples to more focused funds, all through the award-winning xStation platform, one of the clearest on the market. The education library runs deep enough to take a newcomer a long way, and the demo is unlimited.

The framework reassures. XTB answers to respected authorities including the UK's FCA and Poland's KNF, and the company is listed on the Warsaw Stock Exchange. A publicly traded broker has to open its books and meet real transparency obligations, so you are handing your savings to a firm under genuine scrutiny, not a private black box.

One more strength for ETF investors: XTB's automated investment plans let you schedule a regular ETF purchase, the single most effective way to put dollar-cost averaging and compounding to work without having to think about timing. Founded in 2002 and battle-tested, it is the broker I would point most ETF investors to before any other, without reservation.

If you want the broker that simply does the most for an ETF portfolio, IG is it. With 19,000+ markets and a history stretching back to 1974, this London Stock Exchange-listed firm offers a breadth almost no one else on this page can match, including cash equities on UK, US and EU shares and a deep bench of ETFs: broad index, sector, bond, emerging-market and thematic. For an investor who wants to build a finely diversified allocation rather than a single global fund, choice is rarely the limiting factor here.

It is a heavyweight in every sense that counts. Regulated by the FCA and serving 313,000+ active clients, IG is no niche operator you need to vet nervously. It backs its award-winning platform with ProRealTime and its 100+ indicators, a free demo, and the well-regarded IG Academy, so the tools and the learning resources scale right alongside your ambitions.

The seriousness is what seals it for me. FCA regulation and a London Stock Exchange listing put IG among the most solid firms on the market: you are trusting an established, transparent, enduring operator with your savings. And for long-term investors, volume-based fee tiers mean the more you build, the better your pricing gets.

You can steer an ETF allocation by region and by sector with a precision rare among mainstream brokers, comparing funds and refining exposure with real tools rather than a stripped-back interface. For the widest fund choice and genuinely serious tooling, IG is an excellent choice I recommend without reservation.