CompareStockISA

Interactive Brokers vs Lightyear

Side-by-side comparison from each platform's published fees.

Interactive Brokers Stock ISA compared with Lightyear Stock ISA

Interactive Brokers

Stock ISA

Lightyear

Stock ISA
Estimated yearly costexample investor£36.00£6.00
Fees
Platform fee
Whole portfolio
£3 monthly (reduced by activity)
Whole portfolio
No platform fees
Dealing
Shares and ETFs
Market-based tiers:UK under £6,000: £3UK over £6,000: 0.05%
Mutual funds
£4.95 per trade
US shares and ETFs
US$0.005 a share, minimum US$1 (about £0.76)
Shares and ETFs
£0 per trade
Mutual funds
Not supported
US shares and ETFs
£0 per trade
FX
Flat rate: 0.03%
Flat rate: 0.10%
How trades are placedDirect Market AccessMarket Order
What it can hold
UK investmentsSupportedSupported
US sharesSupportedSupported
Individual sharesSupportedSupported
Exchange-traded funds (ETFs)SupportedSupported
Mutual fundsSupportedNot supported
Flexible ISASupportedSupported
Fractional tradingNot supportedSupported
About the providers
Official websiteVisit Interactive Brokers websiteVisit Lightyear website
Founded2000 (26 years old)2020 (6 years old)

Example investor: £80,000 portfolio, 12 trades a year, half in shares (half of them US) and half in UK ETFs. Estimate with your numbers

Important notice. The information shown on this page is sourced from provider websites and is for illustrative purposes only. It may be inaccurate, outdated, or not account for all scenarios, promotions, discounts, or variations in fees due to specific circumstances. Always check the provider's official website for the most up-to-date and accurate information. These figures are general estimates and should not be considered as financial advice. Data updated 8th October 2026.

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Use our illustrative calculator to estimate platform fees based on how you invest. Not financial advice.