Choosing a stockbroker involves far more than simply comparing a few dealing charges. It is the intermediary through which you will invest and take positions in the markets, sometimes for many years. Between traditional banks, online brokers and neo-brokers, investors now have a particularly wide choice of providers. Pricing, market access, platform quality, available account types and customer support all matter: the best broker is above all the one that matches your investing style.
Looking for a broker straight away? Take a look at our comparison of the best stockbrokers to compare the main providers and find the one that suits your profile.
Start by checking that the broker is authorised
Before comparing fees or features, begin with the essentials: check that the broker is properly authorised to offer its services in the UK. To do this, you can consult the official Financial Services Register maintained by the Financial Conduct Authority (FCA).
It is also worth checking the FCA’s warning list. This helps identify unauthorised operators, as well as websites that sometimes misuse the identity of entirely legitimate firms.
💡 Did you know?
The presence of a company’s name in an official register is not always sufficient on its own. Also check that the website address, contact details and legal entity match the information published by the regulator. Identity theft involving financial firms has become a common tactic in investment scams.
Compare charges based on how you invest
Brokers use very different pricing models. Some charge for each order, others offer commission-free trading under certain conditions, but charges may appear elsewhere: currency conversion, specific products, withdrawals, inactivity or additional services. In other words, a broker advertising "0% commission" is not necessarily free for how you intend to use it.
Try to assess costs using your own portfolio as the starting point:
- 👉 How much will an order of £500, £1,000 or £10,000 cost you?
- 👉 Do you mainly buy UK securities, or US shares that require currency conversion?
- 👉 Do you place a few orders a year, or several dozen each month?
An investor who regularly buys an ETF clearly doesn't have the same needs as an active trader.
Finally, don't just look at the dealing charge. Foreign exchange fees, custody charges where applicable, inactivity fees or costs linked to certain services can all add up. What you need to compare is the overall cost based on your actual usage, not just the headline price displayed on the homepage.
Check the breadth of the offering
How extensive is the broker's product and market offering in practice? UK and international shares, ETFs, bonds, derivatives: the possibilities are numerous, but they vary considerably from one platform to another. A very competitive broker can ultimately lose much of its appeal if it doesn't allow you to invest where you want to.
The question of available account types is just as important. If you want to invest through an ISA or SIPP, check not only that the broker offers one, but also that its investment universe and features match your strategy. Conversely, an investor focused mainly on international markets will probably pay closer attention to the number of exchanges available and the foreign exchange charges.
As for complex or leveraged products, their mere presence in the catalogue isn't necessarily an advantage. They involve risks that differ significantly from traditional investing in shares or ETFs and aren't suitable for every profile.
Which ISA should you choose? See our comparison of the best ISA brokers and discover the most attractive offers based on your needs and investor profile.
Technology, usability and customer support
How good is the platform? Is it easy to use? Is the mobile app efficient and intuitive? Can you easily search for a security, monitor your portfolio and place an order? These questions may seem secondary when opening an account, but far less so when you use the same broker for many years.
Here again, everything depends on your needs. Advanced charts, alerts or sophisticated order types will matter to some traders and be entirely incidental for an investor who buys a few ETFs each month. On the other hand, simple features such as regular investing can be very useful for a long-term strategy.
Then there is customer support. Are advisers easy to reach? By phone, chat or email? What are the support hours? If there's an issue with your account, a transfer or order execution, being able to get a quick answer can make a real difference.
Don't be swayed by promotions alone
"0% commission", free shares, bonuses or interest on cash balances: brokers compete with one another using commercial incentives to attract new clients. Some of these offers are genuinely attractive. But on their own, they should never determine your choice of an intermediary you may plan to use for several years.
So take the time to read the terms and understand how the broker makes its money. A free offer on one product can perfectly well coexist with charges on other services. A promotion is temporary; your broker may be with you for much longer.
Understand your own needs and investor profile
Ultimately, your decision will be shaped above all by your own needs and the kind of investor you are. There is no single broker that is universally better than all the rest.
To make the right choice, start by asking yourself the right questions:
- 👉 How much do you want to invest?
- 👉 What is your risk tolerance and investment horizon?
- 👉 Are you looking for passive or active management?
- 👉 Are you more of a trader or an investor?
- 👉 How many transactions do you expect to make each month or year?
- 👉 Do you need an ISA or SIPP?
- 👉 Do you invest mainly in pounds or in foreign markets?
An active trader will naturally prioritise low dealing costs, strong execution quality and suitable trading tools. A long-term investor will pay closer attention to recurring charges, the range of ETFs and shares available, and the ease of managing their portfolio. A beginner, meanwhile, may place greater importance on a clear platform and customer support that is easy to access.
In summary: how do you choose the right stockbroker?
There is no one-size-fits-all answer. The cheapest broker won't necessarily be the best one for you, any more than the one offering the greatest number of markets or the most sophisticated app.
Your first broker won't necessarily be your broker for life either. But you'll stand a much better chance of making the right choice if you take the time to check its credibility, understand its pricing properly and, above all, determine what you need as an investor.
For that, our comparison of online brokers can be a valuable guide in determining which broker will be best for you.
