ISA platform comparison
Compare annual platform fees, dealing costs and features across major UK ISA providers. Updated March 2026. Click any platform for full details, or select multiple to compare side by side.
Annual fees shown for ISA accounts. Always verify current fees on the platform's own website before investing.
Portfolio fee calculator
See your annual platform cost across every provider for a given portfolio size.
Portfolio value£10,000
£1,000£500,000
FreetradeCheapest
Basic plan (free) shown. FX fee 0.99% on Basic.
Free
Lightyear
0.10% FX fee (best in market). No SIPP or LISA.
Free
InvestEngine
Free
Platform fee only. Does not include dealing charges, fund OCF, or SIPP fees. Always verify on each platform's website.
Click any platform for full details. Tick checkboxes to compare side by side.
| Compare | Platform | Annual ISA fee | Fee cap | Fund dealing | Share dealing | SIPP | Best for |
|---|---|---|---|---|---|---|---|
| Freetrade Free ISA & SIPP | Free | No cap | Free | Free | ✓ | Zero-fee ISA & SIPP, beginners | |
| Lightyear Lowest FX feeZero fees | Free | No cap | Free | Free | ✗ | Zero fees, lowest FX rate, international stocks | |
| InvestEngine Zero feesETF only | Free | No cap | Free | Not offered | ✓ | ETF-only investors, zero fees |
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