Platform Comparison

Side by side comparison based on published facts

CMC Invest

Stock ISA Plus

Modern Fintech Platform
VS

Fidelity

Stock ISA

Traditional Platform

Official Website

Founded

Platform Fees

Total Portfolio
Flat fee: £83.88 per year
Shares & ETFs
Percentage: 0.35% (cap: £90.00)
Mutual Funds
Progressive tiers: £90 flat for <£25,000 | 0.35% for £25,000-£249,999 | 0.20% for £250,000-£999,999 | 0.20% for £1,000,000+ | Cap: £2,000.00

Dealing Fees

Shares & ETFs
£0 per trade
Mutual Funds
£0 per trade
International
£0 per trade
Shares & ETFs
£7.5 per trade
Mutual Funds
£0 per trade
International
£7.5 per trade

FX Fees

Flat rate: 0.50%
Flat rate: 0.75%

Execution Method

UK Investments

SupportedSupported

International Investments

SupportedSupported

Individual Shares

SupportedSupported

Exchange-Traded Funds (ETFs)

SupportedSupported

Mutual Funds

SupportedSupported

Flexible ISA

SupportedNot supported

Fractional Trading

Not supportedNot supported
Important Notice
Data accuracy and usage information
Data Updated: 26th August 2025

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 It may be inaccurate, outdated, or not account for all scenarios, promotions, discounts, or variations in fees due to specific circumstances.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.

Need More Detailed Analysis?

Use our illustrative calculator to estimate platform fees based on investment variables. Not financial advice.