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Guide to the Best Brokers for Index Fund Investing: Top Options for 2024

Looking to diversify with index funds? We'll walk you through the top brokers in the UK, their features, pros, and cons.
Aleksandar Hrubenja
Author: 
Aleksandar Hrubenja
Muze Hasan
Editor: 
Muze Hasan
33 mins
September 21st, 2023
Advertiser Disclosure

Investing in index funds is a great way to generate passive income, or simply save your money in a more efficient and organised manner. This fund can be understood as a mutual fund that is designed to duplicate the performance of a market index like the FTSE 100 Index.

In this article, we will discuss online broker UK index funds and how you can invest in them. Furthermore, we will detail the best online brokers available in the UK, so you know where you can put your money.

UK Index Fund Brokers: Our Top Picks

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Hargreaves Lansdown8.3Visithl.co.uk
Saxo Markets8.8Visithome.saxo

CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage.74% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs, FX or any of our other products work and whether you can afford to take the high risk of losing your money. Losses can exceed deposits on some products.

Interactive Investor7.6Visitii.co.uk
Fineco Bank8.7Visitfinecobank.com
AJ Bell7.9Visitajbell.co.uk
Degiro8.4Visitdegiro.com
IG8.9Visitig.com

Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 70% of retail investor accounts lose money when trading spread bets and CFDs with this provider. You should consider whether you understand how spread bets and CFDs work, and whether you can afford to take the high risk of losing your money.

Best Brokers For Index Funds in the UK at a Glance

The Best Online Brokers: Reviewed

Below you can find the best online brokers in the UK. Note that all of them are viable options for investing in an index fund, and all are regulated by the UK’s Financial Conduct Authority.

1. Hargreaves Lansdown - Best Overall

Hargreaves Lansdown is one of the oldest and most reputable investment platforms in the UK. This platform offers a comprehensive suite of investment tools and services tailored to meet the diverse needs of investors but with competitive rates and fees.

The fees and charges are percentage based, which usually isn't suitable for high and medium-value portfolios. However, the actual size of the fees drops down with the increasing value of your funds, which makes it great for every level of investor.

The platform is designed to be user-friendly, delivering a seamless experience across its website and mobile applications. Most importantly, as an authorized and regulated entity under the FCA, Hargreaves Lansdown prioritises data protection and security, providing a safe environment for investors.

  • Fee structure works for all portfolio levels
  • Wide variety of assets
  • Excellent UX
Account minimum deposit£1
Account chargesNIL to 0.45%, based on fund value.
Share Sale Fee£1.50 per deal
Investment typesBonds, Funds, Trusts, Forex, Commodities, Stocks, Crypto (only through ETFs or stocks)

2. Saxo Markets - Best for Traders With Higher Equity

Saxo Markets8.8Visithome.saxo

CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage.74% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs, FX or any of our other products work and whether you can afford to take the high risk of losing your money. Losses can exceed deposits on some products.

With a history dating back to 1992, Saxo Bank was one of the early adopters of online trading platforms and has been operating in the UK since 2006. The company is regulated by the UK Financial Conduct Authority, ensuring the safety of investors' funds.

Saxo Markets offers a comprehensive product range that includes forex, shares, commodities, indices, options, bonds, and futures. These instruments can be traded through various methods such as Contracts for Difference (CFDs), forward contracts, or direct ownership.

The platform is known for its user-friendly interface, providing clients with a seamless trading experience. While Saxo Markets has many strengths, there have been some complaints regarding its customer service.

  • Wide array of assets
  • Seamless online trading experience
  • Tiered accounts give great benefits to high-value portfolios
Account minimum deposit£500
Account charges£0
Share Sale Fee0.1% of trade value, but £8 minimum
Investment typesStock, ETF, Forex, Fund, Bond, Options, Futures, CFD, Crypto,

3. Interactive Investor - Best Educational Content

Interactive Investor is a popular investment platform in the UK, regulated by the Financial Conduct Authority (FCA) and with over £55 billion in assets. It offers a wide range of investment options and aims to provide comprehensive tools and resources for effective investment management.

Where II stands out, however, is that it provides high-value educational content. With a host of instructional media, investors can use the platform to improve their financial knowledge and make significantly better-informed decisions.

Interactive Investor does have some limitations as well. Its product offering is primarily focused on traditional products, with a somewhat average selection of stocks. While it provides essential research tools, more advanced charting and analytic tools are limited.

Additionally, there is a monthly account fee associated with using the platform.

  • A variety of different plans for all types of investors
  • Flat fee structure beneficial for high-value investors
Account minimum deposit£0
Account charges£5.99 per trade for “Investor” and “Pension Builder” subscriptions,£3.99 per trade for Super Investor
Share Sale Fee£5.99
Investment typesBonds, Commodities, Funds, Stocks, Crypto (only through ETFs or stocks)

4. Fineco Bank - Lowest Fees

Fineco Bank8.7Visitfinecobank.com

Fineco Bank is a reputable Italian stockbroker and bank that has established a strong presence in the UK. The company operates under the regulation of the Bank of Italy and is also regulated by the Financial Conduct Authority.

Fineco Bank truly stands out, with some of the lowest stock and ETF fees in the industry. Like most of the brokers in this article, this platform also does not charge inactivity or withdrawal fees, which only magnifies its appeal.

However, the bank does have some drawbacks. For example, the only available method for deposits is through bank transfers, which may be inconvenient for some users. Another limitation is the lack of comprehensive educational resources.

In terms of customer support, Fineco Bank receives positive reviews for its assistance via phone and email. However, it is important to note that at the time of writing, the platform does not offer 24/7 live chat support.

  • Low fees
  • Great mobile app
  • Excellent customer experience…
Account minimum deposit£0
Account chargesNil to 0.25% of the investment value
Funds Sale Fee£0
Share Sale Fee£2.95
Investment typesStock, ETF, Fund, Bonds

5. AJ Bell - Best for Beginners and Low-Value Portfolios

AJ Bell7.9Visitajbell.co.uk
Phone, Live Chat, Email
Android, iOS
2FA, Biometrics

AJ Bell provides investors with a wide range of investment options, including funds, shares, ETFs, and trusts, totaling over 19,000 choices. Additionally, the platform offers a selection of ready-made portfolios that can help beginners get started instantly.

The company is known for its excellent customer support, ensuring that investors receive assistance when needed. Furthermore, AJ Bell stands out for the amount of educational content it provides.

Similar to the other platforms mentioned, AJ Bell is regulated by the Financial Conduct Authority, assuring the safety of investors' funds and complying with regulatory standards.

AJ Bell offers additional benefits to beginners including ready-made portfolios and easy-to-understand educational resources. All that being said, its fees are somewhat higher than other index fund platforms on our list.

  • Wide variety of investment options
  • Excellent customer support
  • Wide range of benefits for beginner investors
Account minimum deposit£0
Account charges0.25% - 0%
Share Sale Fee0-10 traders per month - £9.95; 10 or more traders per month - £4.95
Investment typesStock, ETF, Fund, Bonds

6. Degiro - Most User-Friendly

Degiro8.4Visitdegiro.com

Degiro has made significant efforts to create an intuitive and user-friendly ecosystem for those who are trying to make a pocket-friendly entry into the UK Index funds.

Degiro operates under the supervision of the Netherlands Authority for the Financial Markets (AFM) and the prudential supervision of the De Nederlandsche Bank (DNB). In the UK, it is regulated by the FCA, ensuring compliance with regulatory standards.

The greatest advantage Degiro offers is its exceptionally low fees. On top of that, the platform doesn't require a minimum deposit, making it one of the best for beginners alongside AJ Bell.

The platform is user-friendly, but it lacks comprehensive research tools compared to some of its competitors.

  • Exceptionally low fees
  • Excellent platform
Account minimum deposit£0
Account charges0.2%
Share Sale Fee£2.5 per trade
Investment typesStocks & Shares, Commodities, Derivatives, Penny Stocks

7. IG - Best Additional Features

IG8.9Visitig.com

Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 70% of retail investor accounts lose money when trading spread bets and CFDs with this provider. You should consider whether you understand how spread bets and CFDs work, and whether you can afford to take the high risk of losing your money.

IG is a renowned brokerage firm with a stellar reputation and 45 years of experience in the financial trading industry.

Catering to a global client base of more than 313,000, IG offers access to a vast array of markets, with over 13,000 available for trading. This includes not only Forex but also other instruments such as stocks, commodities, indices, and more.

IG stands out from the others in the competition by offering additional features which include seamless integration with the popular MT4 trading platform. This connectivity grants users access to a wide range of tools and information, regardless of their trading experience.

The second stand-out feature, albeit limited to UK residents, is negative balance protection. This ensures that regardless of how much money you invest and potentially lose, your account balance cannot go below zero.

  • MT4 integration
  • Negative balance protection
Account minimum deposit£0 (for bank transfers)
Account charges0.72% - 0.22%
Share Sale Fee0.1%
Investment typesforex, indices, shares, commodities, cryptocurrencies, bonds, ETFs

How We Reviewed the Best Index Fund Brokers

The index fund brokers discussed above have been shortlisted based on the following factors:

  • Regulation: The first and most important factor to consider is whether the platform is regulated by a relevant body. For example, in the UK, trustworthy platforms are overseen by the Financial Conduct Authority.

  • Fees and expenses: All platforms and brokers charge certain expenses and fees. That being said, some brokers charge lower fees for the same, or better, quality of service.

  • Extra perks and features: Certain platforms offer additional perks and features within their regular services. These can include anything from discounts, and sign-up bonuses, to extra protection, as well as additional charting and data management tools.

  • Availability of assets: A good platform should have a large variety of trading instruments a trader can choose from.

  • Customer support: A broker should provide solid customer support.

  • Availability of educational resources: Certain platforms offer a variety of educational resources, varying from simple instructional blogs to full-blown demo accounts and free consulting videos.

  • User experience: Related specifically to a platform. Is the broker’s platform you are using, no matter if it's desktop or mobile, easy to use? Does it provide a seamless user experience?

What are Index Funds?

An index fund is a type of investment fund, built to replicate the performance of a specific stock market index, such as the S&P 500 or FTSE 100.

How do Index Funds Work?

In Index funds, a group of investors pool their money into a single place, i.e. a fund which is then invested into a variety of assets and financial instruments. This collection of assets is chosen by a fund manager, and the choice of assets is there to represent the makeup of a certain index.

Index Fund Examples

To provide a couple of examples, the most popular index funds follow the following indexes:

  • UBS S&P 500 Index Fund - The Standard & Poor’s 500 represents the 500 largest (in terms of market cap) companies in the US.

  • Vanguard FTSE 100 Index Unit Trust- The Financial Times Stock Exchange 100, includes the 100 largest companies listed on the London Stock Exchange..

  • Fidelity MSCI World Index Fund - The Morgan Stanley Capital International World is an index that covers stocks from multiple countries and represents the performance of companies listed in developed economies around the world.

What Makes a Good Index Fund?

There are several factors that make a good index fund:

  • Past performance - Past performance is not a guarantee of future performance, however, an index fund that has shown consistent growth over the long term (or minimal decline during financial cruises) is comparatively a good choice.

  • Low fees - Fees vary from index to index, and while choosing the one with the lowest management fee is not necessarily a good decision, low fees are always a benefit.

  • Low tracking error - This represents the difference between the performance of the actual index and the fund that is mirroring its performance.

Why Invest in Index Funds?

In general, people invest in index funds as a better, more efficient manner of saving money that grows over time, instead of depreciating. However, this is not the only purpose of an index fund. It attracts a lot more benefits as discussed below:

  • Relatively low costs: Index funds often have lower costs, especially when compared to other, actively managed, funds.

  • Ample diversification: The very nature of an index fund leads to the diversification of your portfolio since they are composed of assets from multiple sources.

  • Accessibility and liquidity: Index funds can be bought and sold through various investment platforms, brokerage accounts, and retirement plans. Investors can enter or exit positions quickly, providing liquidity and flexibility.

  • Long-Term Performance Potential: Index funds provide investors with exposure to the overall growth of the market or specific asset class represented by the index.

What Kind of Performance Should You Expect from an Index Fund?

The performance of an index fund is closely tied to the performance of the underlying market index it tracks. While past performance is not indicative of future results, it can provide insights into the average returns achieved by popular stock indexes and, consequently, index funds.

For instance, the FTSE 100, has historically delivered average annual returns of around 6.89% in the last two decades. Other well-known indices like the S&P 500 in the United States and the MSCI World have also exhibited strong long-term performance, averaging around 9% to 10% on average, in the last 20 years.

There is no such thing as a 100% guarantee when it comes to investing. Past performance does not necessarily guarantee future performance.

Are Index Funds Passive or Active Investments?

Active investing involves actively managing an investment portfolio by making frequent buying and selling decisions in an attempt to outperform the market. Active investors typically rely on research, market analysis, and their own judgments to select individual stocks, bonds, or other securities.

On the other hand, passive investing typically means index investing. In other words, it involves minimal trading, if any, and mostly focuses on placing your funds into a long-term trading option that does not require much work and oversight (on the investor’s end).

In terms of index funds, they are primarily passive, since their primary purpose is to track and mirror a set financial index. The main advantages of passive investing include generally lower management fees, as well as a high level of consistency and simplicity.

How are Passively Managed and Actively Managed Funds Different?

Namely, passively managed and actively managed funds differ in their investment approach, fee structure, and level of human involvement in the investment decision-making process.

An active index fund will contain assets that are constructed from a specific index, hence the name. However, the fund manager will also take a more active involvement in the construction of the fund and add assets that are unrelated to the benchmark index used.

Conversely, the investment decisions in passive funds are rule-based and automated, following the index's predetermined weighting and composition. As a result, passive funds offer a more hands-off approach to investing.

One of the key advantages of passive funds is their lower fees compared to an actively managed fund. Since passive funds do not require (compared to active funds) extensive research, or active trading, the costs associated with managing these funds are typically lower.

This approach can be appealing to investors who prioritize long-term, steady growth and are less concerned with attempting to "beat the market."

On the other hand, actively managed funds involve a human fund manager who is more actively involved in the entire investment process. These fund managers analyze market conditions, conduct research, and make individual security selections with the goal of generating higher returns than the benchmark index.

They aim to identify investment opportunities that can outperform the market and add stocks to the fund accordingly.

The involvement of a fund manager in active funds often leads to higher fees compared to passive funds. These fees cover the expenses associated with research, trading, and the expertise of the fund manager

Are Passive Funds Rated?

Yes, passive funds are indeed rated. The manner in which they are rated varies, since different platforms, financial institutions, and firms have different approaches. In general, though, ratings are there to provide investors with information on the fund's performance and suitability.

Passive funds are typically rated based on several factors, including their historical performance, risk-adjusted returns, expense ratios, tracking error (the extent to which the fund deviates from the index it aims to replicate), and fund manager expertise. Ratings can range from numerical scores or star ratings to qualitative assessments.

For example, Trustnet and Hargreaves Lansdown are two prominent brokers, with very popular platforms that offer a wide range of investment options. Both also offer their own ratings for funds, passive ones included.

How to Choose the Best Index Fund Broker?

Below are some factors you should consider when choosing the best index fund broker:

  • Reputation and regulation: You want to choose a broker that is trustworthy. The best way to test this is by reading online reviews, and checking whether it's regulated by a financial body (like the FCA for the UK).

  • Additional Features: Does the platform offer certain added features, like educational content, extra charting tools, and MT4 integration?

  • User Interface: Is the platform easy to use and handle? Does it make investing easy, or complicated?

  • Available Investment Products: When using the platform, does it offer a wide array of investment products? Does it have what you specifically need?

  • Fees: All brokers charge a fee for their services. However, certain brokers have lower fees or don't charge as many of them.

How to Invest in Index Funds in the UK?

Now, investing in an index fund is relatively straightforward. Follow the following steps in order to invest properly.

  • Choose a Regulated Online Broker: Select a regulated online broker that offers access to index funds. Be certain that the broker is regulated by the FCA. Research different brokers, comparing factors such as fees, available funds, and customer reviews, to find one that meets your needs.

  • Open an Account and Deposit Funds: Once you have chosen a broker, open an investment account with them. This usually involves providing personal information, completing the necessary forms, and verifying your identity. Afterwards, deposit funds into your account by linking it to your bank account or transferring funds directly.

  • Research and Select Suitable Index Funds: Conduct thorough research on different index funds available through your chosen broker. Consider factors such as fund performance, expense ratios, fund size, and the underlying index the fund tracks. Look for funds that align with your investment goals, risk tolerance, and time horizon.

  • Place a Buy Order: Once you have identified the index fund or funds, you want to invest in, place a buy order through your broker's online platform. Specify the amount you wish to invest and review the details before confirming the order.

  • Monitor and Maintain a Diversified Portfolio: Regularly review the performance of your index fund investments and track the progress of your portfolio.

What are the Costs with Index Fund Brokers?

Now, there are also certain costs that are associated with both index fund brokers, and the funds themselves.

For index funds held on trading platforms, the platforms usually take a percentage of the total value of your invested funds. They might also charge conversion fees, general account maintenance fees, as well as charges for sales and deposits.

For funds themselves, you need to consider things like tax-cost ratios, as they measure the potential tax implications of owning the index fund.

There are also investment minimums, which represent the minimum amount required to invest in a particular index fund, and account minimums, which indicate the minimum balance needed to open and maintain an investment account.

Types of Index Funds

Below you can take a look at the various types of index funds, but also of funds in general, and how they relate to each other.

Mutual Funds

Mutual funds are investment vehicles that pool money from multiple investors to invest in a diversified portfolio of securities, such as stocks, bonds, or a combination of both.

Index Funds vs. Mutual Funds

Simply put, index funds are a sub-type of the mutual fund.

Index funds are a type of mutual fund that aims to replicate the performance of a specific market index, such as the S&P 500 or the FTSE 100. While mutual funds encompass various investment strategies, index funds specifically focus on tracking the performance of a particular index.

ETFs

ETFs, or Exchange-Traded Funds, are investment funds that are traded on stock exchanges, similar to individual stocks. ETFs can represent various asset classes, including stocks, bonds, commodities, or even currencies.

Index Funds vs. ETFs

Like index funds, ETFs can also track the performance of specific market indices. However, ETFs differ from traditional mutual funds in terms of their trading structure and flexibility. ETFs can be bought and sold throughout the trading day at market prices, whereas mutual funds are typically bought or sold at the end-of-day net asset value (NAV).

Hedge Funds

Hedge funds are alternative investment vehicles that pool capital from accredited or high-net-worth individuals and institutional investors. They are typically managed by professional fund managers who employ various investment strategies to seek higher returns.

Index Funds vs. Hedge Funds

Unlike index funds, hedge funds do not aim to replicate the performance of a specific index. Instead, they focus on generating absolute returns regardless of market conditions. Hedge funds are known for their higher management fees and performance-based fees, which are often calculated as a percentage of profits earned by the fund.

Ethical Stock Market Indexes

Ethical stock market indexes are designed to track the performance of companies that prioritize ethical values, such as positive attitudes towards human rights, sustainability, and responsible business practices. One example of such an index is the FTSE4Good index in the UK.

These indexes use specific criteria and screening processes to identify companies that meet predetermined ethical standards. Companies are assessed based on factors like environmental impact, social responsibility, corporate governance, and commitment to human rights.

Are There Index Funds for All Kinds of Investment?

Yes. They can be categorised based on the area of focus. Let’s have a look below.

  • Broad Market Index Funds: These index funds track the performance of broad market indices, such as the S&P 500 or FTSE 100, which represent a large segment of the overall market.

  • Sector Index Funds: These funds focus on specific sectors of the economy, such as technology, healthcare, or energy.

  • International Index Funds: These funds provide exposure to international markets outside of a specific country.

  • Bond Index Funds: Bond index funds track fixed-income indices, representing a diversified portfolio of government, corporate, or municipal bonds.

  • Small-Cap and Mid-Cap Index Funds: These funds focus on smaller companies with smaller market capitalizations.

  • Emerging Market Index Funds: Emerging markets provide exposure to stocks, bonds, and other assets in developing economies.

  • Commodity Index Funds: These funds track the performance of commodity indices such as gold, oil, or agriculture.

Pros and Cons of Investing in Index Funds in the UK

What are the primary advantages of investing in index funds for investors in the UK? And are there any disadvantages? We have covered both below.

  • Low costs associated with index funds. They typically have lower expense ratios compared to actively managed funds, which means investors can keep more of their returns.
  • Diversification provided by index funds. By tracking a broad market index, such as the FTSE 100, investors gain exposure to a wide range of companies and sectors, reducing the risk of relying on a single stock or sector.
  • Index funds are easy to get started with. Requiring little financial knowledge or expertise makes them suitable for both beginner and experienced investors.

Alternative Ways to Invest in Index Funds

When it comes to investing in index funds, there are alternative ways for individuals to consider beyond traditional methods of going to a broker.

Trading Platforms

We have already covered the best online broker platforms in this article. These online brokers provide a convenient avenue for individual investors and stock brokers to access and trade index funds in the UK.

Robo Advisors

Another alternative approach to investing in index funds is through robo-advisors. Robo-advisors are digital platforms that use algorithms to construct and manage investment portfolios based on an investor's time horizon and risk tolerance. Two prominent robo-advisors, Betterment and Wealthfront, offer diversified portfolios with low fees and features like tax-loss harvesting to optimize tax efficiency.

Is Investing in Index Funds Right for You?

In order to make the right decision, consider the advantages and disadvantages of the index funds as explained above. Take into account the reasons why people invest in index funds, their costs and fees, and develop an understanding of how they function in general.

Finally, evaluate your investment approach. If you prefer a passive investment strategy that aligns with your long-term goals, index funds can be a suitable choice.

However, if you prefer a more active approach or have a strong desire for individual stock selection, other investment options may be more appropriate.

FAQs

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Contributors

Aleksandar Hrubenja
With a BA in English literature and linguistics, training provided by veteran licensed court interpreters, and direct content management experience, Aleksandar Hrubenja knows what good content looks like. He’s tackled any topic thrown his way, spending the last six years writing articles on finance, cryptocurrency, and digital marketing — just to name a few.
Muze Hasan
Muze Hasan is a technical writer with deep experience writing for the Finance industry for topics including but not limited to stocks, cryptocurrency, mergers, acquisitions, valuation, and insurance. He is also a subject matter expert on Blockchain technology and has designed a plethora of web 3.0 whitepapers and pitch decks. On weekends, you can find him riding his Harley Davidson on the Himalayan mountain range.
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