AJ Bell
Full-service platform
Barclays Smart Investor
Zero fee platform
Dodl
App-only, low-cost
Dodl offers a 'Pension' product (same 0.15% fee as the ISA) but confirmed 2026-07 that you cannot draw down from it directly — you must transfer to another provider first. Treated as not offering a real SIPP for comparison purposes.
Fidelity
Full-service platform
Freetrade
App-first platform
Hargreaves Lansdown
Market leader
Interactive Investor
Flat fee platform
Core plan (shown): portfolios up to £100k. Plus plan £14.99/mo for larger portfolios.
InvestEngine
ETF specialist
ETFs only
Trading 212
Commission-free
Vanguard
Index fund specialist
Vanguard funds only