Yes, you can invest in a huge range of index funds (including Vanguard funds) when you have a GIA, ISA or SIPP account with Interactive Investor.
Interactive Investor Index Fund Investing Expert Rating: Updated 13/07/2026
Provider: Interactive Investor Index Fund Investing Review
Verdict: Interactive Investor offer a wide range of index tracker funds. A good choice for large index fund portfolios, as they offer good coverage and the fixed-fee model means that the bigger your account size gets, your costs stay the same. You can either pick your own or choose from some featured funds from their Super 60 investment list.
Capital at risk.
Is interactive investor good for buying index funds in the UK?
Interactive Investor is a sound choice for those seeking access to a broad range of index funds and a flat-fee structure. For those with large portfolios, it can be a very cost-effective platform.
Market Access: Interactive Investor offers access to hundreds of standard index funds and thousands of index ETFs.
Pricing: With this platform, there are three different fee plans:
- Core (£5.99 per month): fund and ETF trades are £3.99 per trade
- Plus (£14.99 per month): fund trades are £1.49 while ETFs are £3.99 per trade
- Premium (£39.99 per month): fund trades are free while ETFs are £2.99 per trade
App & Platform: Interactive Investor’s platform and app are well designed and offer a clean interface for long-term investors looking to track portfolios and execute trades. However, some users find the app a little basic.
Customer Service: Interactive Investor scores well for customer support. However, while the phone team is generally knowledgeable and helpful, email support can be a little slow.
Research & Analysis: On its website, Interactive Investor has a Research Hub which offers analysis and tools designed to help investors make better decisions. It also offers a Highly Rated Funds tool, to help investors build their portfolios.
Pros
- Wide range of index funds available
- Flat-fee structure can be cost effective
- £1 minimum deposit
- Great Index Fund screener tools
Cons
- Flat-fee structure not ideal for small accounts
- App is a little basic
- High FX fee on 0.75% unless on a premium plan
- Pricing (4.5)
- Market Access (4.5)
- Platform & Apps (4.5)
- Customer Service (4.5)
- Research & Analysis (5)
Overall
4.6Compare interactive investor To Alternative Index Fund Investing Accounts
| Name | Logo | GMG Rating | Customer Reviews | Annual Fees | Dealing Fees | CTA | Feature | Expand | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | GMG Rating | Customer Reviews | Annual Fees 0.1% - 0.25% | Dealing Fees £1.50 | Start Investing Capital at risk | Features:
| AJ Bell Index Fund Investing Expert Rating: Updated 13/0/2026Provider: AJ Bell Index Fund Investing Verdict: AJ Bell is good choice for those who want to keep costs low when buying index funds, as fund account charges start as low as 0.25%. AJ Bell have a wide range of index funds, and provide clients with free screeners and tools so they can find the most appropriate index to invest in through a fund. Is AJ Bell good for buying Index funds in the UK? AJ Bell is a solid option for those looking to include index funds in their portfolios. There is a wide range of products available and fees are very competitive. Market Access: AJ Bell offers access to over 300 standard index funds on its platform. There are also over 3,000 index-tracking ETFs available. Pricing: For Stocks and Shares ISA investors, AJ Bell charges £1.50 to trade regular index funds and £5.00 for ETFs. This £5.00 fee is reduced to £3.50 if you had more than 10 deals in the previous month. In terms of account fees, ETFs are charged at 0.25% (capped at £3.50 per month). For portfolios with regular funds, fees are:
App & Platform: AJ Bell’s platform and app are intuitive and easy to use. However, they don’t offer features that some of the newer platforms offer such as commission free-trading and fractional shares. Customer Service: AJ Bell’s customer service is generally good. You can speak to the customer services team between 8am and 7pm during the week and 10am to 2pm on Saturdays. Research & Analysis: AJ Bell offers a decent amount of research and analysis on its platform. It also offers a list of its Favourite funds. Pros
Cons
Overall4.1 | |||||||||||
 | GMG Rating | Customer Reviews | Annual Fees 0.1% - 0.45% | Dealing Fees £5.95 - £11.95 | Start Investing Capital at risk | Features:
| Hargreaves Lansdown Index Fund Investing Expert Review: Updated 13/07/2026Provider: Hargreaves Lansdown Index Fund Investing Verdict: Hargreaves Lansdown is a good choice for those who want to access a wide range of index funds. However, the platform can get expensive for large index fund portfolios. To make index fund investing easy Hargreaves Lansdown analysts have selected a number of index funds from across the major sectors for the Wealth Shortlist. Is Hargreaves Lansdown good for index funds? Yes, Hargreaves Lansdown has around 280 index funds in their screener (excluding ETFs). HL also have what they call a “Wealth Shortlist” where their experts have curated a best buy list of index funds across a broad range of sectors to help investors build a diverse portfolio. A good choice for those who want to include index funds as part of their overall portfolio. However, it can get expensive for large index fund portfolios. Market Access: Hargreaves Lansdown offers access to over 330 standard index funds on its platform. There are also thousands of ETF index funds available. Pricing: For Stocks and Shares ISA investors, Hargreaves Lansdown charges £2 per trade to buy regular index funds and £6.95 for ETF trades (£3.95 if you made more than 20 trades the previous month). Customers also need to pay account fees. For portfolios with ETFs, account fees are 0.35% (capped at £12.50 per month). For portfolios with regular funds, fees are:
App & Platform: Hargreaves Lansdown’s platform and app are well designed and easy to use. However, they don’t offer features that some of the newer platforms offer such as commission free-trading and fractional shares. Customer Service: Hargreaves Lansdown’s customer service is reasonable. Staff are helpful if you have a query, however, support is only available between 8am and 5pm Monday to Friday and 9.30am to 12.30am on Saturday. Research & Analysis: Hargreaves Lansdown offers a good amount of index fund research on its platform. To make index fund investing easy, its analysts have selected a number of funds from across a range of sectors for a preferred list called the Wealth Shortlist. Pros
Cons
Overall4 | |||||||||||
| | GMG Rating | Customer Reviews | Annual Fees £47.88 | Dealing Fees £3.99 | Start Investing Capital at risk | Features:
| Interactive Investor Index Fund Investing Expert Rating: Updated 13/07/2026Provider: Interactive Investor Index Fund Investing Review Verdict: Interactive Investor offer a wide range of index tracker funds. A good choice for large index fund portfolios, as they offer good coverage and the fixed-fee model means that the bigger your account size gets, your costs stay the same. You can either pick your own or choose from some featured funds from their Super 60 investment list. Is interactive investor good for buying index funds in the UK? Interactive Investor is a sound choice for those seeking access to a broad range of index funds and a flat-fee structure. For those with large portfolios, it can be a very cost-effective platform. Market Access: Interactive Investor offers access to hundreds of standard index funds and thousands of index ETFs. Pricing: With this platform, there are three different fee plans:
App & Platform: Interactive Investor’s platform and app are well designed and offer a clean interface for long-term investors looking to track portfolios and execute trades. However, some users find the app a little basic. Customer Service: Interactive Investor scores well for customer support. However, while the phone team is generally knowledgeable and helpful, email support can be a little slow. Research & Analysis: On its website, Interactive Investor has a Research Hub which offers analysis and tools designed to help investors make better decisions. It also offers a Highly Rated Funds tool, to help investors build their portfolios.
Pros
Cons
Overall4.6 |
Richard is the founder of the Good Money Guide (formerly Good Broker Guide), one of the original investment comparison sites established in 2015. With a career spanning two decades as a broker, he brings extensive expertise and knowledge to the financial landscape.
Having worked as a broker at Investors Intelligence and a multi-asset derivatives broker at MF Global (Man Financial), Richard has acquired substantial experience in the industry. His career began as a private client stockbroker at Walker Crips and Phillip Securities (now King and Shaxson), following internships on the NYMEX oil trading floor in New York and London IPE in 2001 and 2000.
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