Investment Platforms
Compare selected fees, account options and features using information checked against published provider sources.
Information is provided for comparison and does not constitute a recommendation. Features, fees and eligibility can change. Confirm current terms with each provider.
Compare
| Feature | AJ Bell | Interactive Investor |
|---|---|---|
| Platform fee | 0.25% p.a.; shares/ETFs/trusts/bonds capped at £3.50/month; fund tiers apply | £5.99/month up to £100k; Plus £14.99/month above £100k |
| Dealing fee | Funds £1.50/trade; shares/ETFs/trusts/bonds £5; regular investing free; FX charges apply | One-off trades from £3.99; regular investing free; managed portfolio costs additional |
| Minimum investment | £250 first lump sum or £25/month | Self-managed: no opening minimum; regular from £25/month |
| Stocks & Shares ISA | Yes | Yes |
| SIPP | Yes | Yes |
| General investment account | Yes | Yes |
| Funds | Yes | Yes |
| ETFs | Yes | Yes |
| UK shares | Yes | Yes |
| Mobile app | Yes | Yes |
Differences
Platform fee
AJ Bell: 0.25% p.a.; shares/ETFs/trusts/bonds capped at £3.50/month; fund tiers apply. Interactive Investor: £5.99/month up to £100k; Plus £14.99/month above £100k.
Dealing fee
AJ Bell: Funds £1.50/trade; shares/ETFs/trusts/bonds £5; regular investing free; FX charges apply. Interactive Investor: One-off trades from £3.99; regular investing free; managed portfolio costs additional.
Minimum investment
AJ Bell: £250 first lump sum or £25/month. Interactive Investor: Self-managed: no opening minimum; regular from £25/month.
Who this helps
Neutral scenarios only — this is not a recommendation.
You may want to compare these providers if you are deciding between AJ Bell and Interactive Investor for investment platforms and want to see selected published fees and features side by side.
AJ Bell is one of the UK's established investment platforms, offering DIY investing through Youinvest with access to thousands of funds, shares and investment trusts. It suits investors who want a broad choice of wrappers — ISA, SIPP, Lifetime ISA and Junior ISA — under a competitive percentage-based fee structure. Dealing charges apply on some share trades, so active traders should model total costs alongside the headline platform fee.
AJ Bell profileInteractive Investor (ii) is a UK investment platform known for its flat monthly fee model rather than a percentage charge on your portfolio. This can make it cost-effective for larger pots, especially if you trade regularly on plans that include free dealing. It offers ISAs, SIPPs, share dealing and Junior ISAs with a broad choice of funds, shares and investment trusts for DIY investors.
Interactive Investor profileBefore you choose
FAQs
Details checked 10 September 2026 / 10 September 2026. Canonical URL: https://witmoney.co.uk/compare/investment-platforms/aj-bell-vs-interactive-investor.