CMC Invest’s 3.69% Flexible Cash ISA Comes With Unlimited Withdrawals and No Fees

CMC Invest continues to offer one of the best paying Cash ISA’s with a easy-access account paying 3.69% AER (variable), as investing platforms continue to compete for savers ahead of ISA season. The flexible ISA offers unlimited withdrawals, a £1 minimum deposit and no account fees, while integrating savings into CMC’s wider investing app used by more than 1.5 million customers globally.

CMC Invest Cash ISA Review: 3.69% Flexible Savings With No Account Fees
Good Money Guide Recommended Provider 2026

Account: CMC Invest Cash ISA

Description: CMC Invest’s flexible Cash ISA pays 3.69% AER (variable) with tax-free interest calculated daily and paid monthly, offering unlimited withdrawals without reducing the rate and a £1 minimum deposit to get started.

Is the CMC Invest Cash ISA any good?

Customers can easily transfer existing ISAs in-app, benefit from FCA regulation and protection of client money, and access the account within CMC’s wider investing platform, which serves over 1.5 million global users. The ISA is fee-free to hold (with an optional £15 urgent withdrawal fee) and sits alongside CMC Invest’s subscription plans that add investing features, lower FX fees and broader market access for those using the wider platform.

Pros

  • Also has an investment ISA
  • Established provider
  • Excellent rates and nous

Cons

  • App-only product
  • Bonus limited to 90 days
  • Rates
    (5)
  • Flexibility
    (5)
  • App & Platform
    (5)
  • Customer Service
    (5)
  • Research & Analysis
    (5)
Overall
5

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