Key Takeaways
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Why Is Interactive Investor a Tier 1 broker?
The platform administers approximately £97.5 billion of client assets across 500,000 customers, implying an average account size of roughly £195,000. This is substantially above the industry average and reflects Interactive Investor's strong appeal among long-term investors, retirees and higher-net-worth households. Combined with three decades of operating history, a profitable investment-grade parent and a strong reputation within the UK investment industry, these characteristics justify our Tier 1 classification.
Strong Parent with Three Decades of History
While it is not part of a bank, Interactive Investor is wholly owned by Aberdeen Group plc (formerly Abrdn), a publicly listed asset management company with investment-grade credit ratings from both S&P and Moody's. Founded in 1995, the company benefits from three decades of operating history and operates under the supervision of the Financial Conduct Authority (FCA), the UK's primary financial regulator.
Flat-Fee Pricing with Global Market Access
Interactive Investor provides access to most major global markets, including securities denominated in USD, EUR, CAD and other currencies. Foreign currency fees are relatively high. Its transparent flat-fee pricing model distinguishes it from percentage-based competitors such as Hargreaves Lansdown and AJ Bell and can be attractive for investors with larger portfolios.
We rate the company 4.7 out of 5. Interactive Investor is one of the largest retail investment platforms in the United Kingdom and is wholly owned by Aberdeen Group plc, a publicly listed asset management company with investment-grade credit ratings of BBB+ from S&P and Baa1 from Moody's. Founded in 1995, Interactive Investor benefits from three decades of operating history and has established itself as a leading platform for long-term investors. The company is authorised and regulated by the Financial Conduct Authority (FCA). Aberdeen Group remains profitable, with a market capitalisation of approximately £4.4 billion and net income of £398 million in FY2025.
We rate the fee structure 2.0 out of 5. Interactive Investor's flat-fee subscription model can become cost-effective for investors with larger portfolios, particularly those making regular investments. However, the mandatory monthly platform fee makes the platform relatively expensive for smaller portfolios, while standard dealing charges and foreign exchange fees further reduce its overall competitiveness compared with several lower-cost alternatives.
Interactive Investor operates a flat-fee subscription model.
| Subscription Type | Condition | Fee | Free Trades | Family Accounts | Junior ISA |
|---|---|---|---|---|---|
| Core | <£100k | £5.99 | 0 | 0 | Yes |
| Plus | None | £14.99 | 1 | Up to 5 | Yes |
| Premium | None | £39.99 | 2 | Up to 5 | Yes |
Interactive Investor trading fees are as following:
Other Trading Charges:
Plan FX Charge
Most of our readers have simple index portfolios. Using our Broker Total Cost Calculator, you can estimate the total cost of holding ETFs over your investment horizon. In our simulated scenario, Interactive Investor is more expensive than AJ Bell and significantly more expensive than brokers with no fixed platform fee. Interactive Investor's pricing model is built around a fixed monthly subscription rather than percentage-based custody charges, meaning that costs become relatively more attractive as portfolio size increases.
Fee Simulation
The simulation below assumes ETF purchases are executed on the London Stock Exchange for all brokers shown. For all brokers, we assume the lowest-cost applicable pricing structure for the selected portfolio. The analysis does not include the free monthly trade available under the Plus plan. Foreign exchange costs, bid-ask spreads and market impact costs are excluded. Under these assumptions, Interactive Investor's fixed monthly subscription accounts for the majority of total costs. While this pricing model can become attractive for certain larger portfolios or investors making greater use of the platform's features, it is the most expensive option in this particular simulation, reflecting the ongoing impact of the fixed subscription fee.
Deposits, withdrawals and transfers in or out of securities are free of charge.
Opening an account with Interactive Investor is generally a straightforward process and can be completed entirely online. Applicants are required to provide proof of identity and residency, together with standard tax and personal information. Most accounts are approved within a few business days, although additional verification checks may occasionally be required. Interactive Investor's onboarding process is designed primarily for UK residents and supports a broad range of account types, including General Investment Accounts, ISAs, Junior ISAs and SIPPs. Customer support is generally well regarded by users, particularly for telephone support and assistance with account transfers, pensions and tax wrappers.
Multicurrency Accounts: Trading Accounts and SIPPs can hold up to nine currencies, allowing investors to reduce foreign exchange costs by retaining cash balances in foreign currencies. ISAs and Junior ISAs remain GBP-only due to UK tax-wrapper rules.
Joint Accounts: Investors can open Joint Trading Accounts.
Junior ISAs: Investors can open Junior ISA accounts for their children. These accounts are particularly attractive as they can be included within certain subscription plans at no additional platform charge.
Regular Investing: One of Interactive Investor's strongest features. Investors can set up up to 25 regular monthly investments from as little as £25 per investment, with no dealing commission charged.
Customer Support: Interactive Investor has built a reputation for responsive customer service. Users frequently cite the availability of telephone support and assistance with account transfers, pensions and tax wrappers as key strengths of the platform.
Interactive Investor receives broadly positive sentiment for its flat-fee pricing model, wide investment selection, and customer service, making it particularly attractive to investors with larger portfolios. However, recurring complaints about limited tax reporting tools, inconsistent platform reliability, and occasional customer service friction temper the overall picture.
⚠️ This sentiment analysis is based on our proprietary algorithm relying on sentiment from public user reviews and discussions. This section does not represent the view of Banker on Wheels.
ISA
SIPP
Junior ISA
Interactive Investor provides tax reporting that is well suited to UK investors. However, Interactive Investor does not provide tax reporting tailored to foreign tax regimes, making the platform less suitable for investors who require country-specific tax reports outside the UK.
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