CMC Invest Cash ISA Customer Reviews & Expert Rating

The overall score out of 10 combines our expert rating out of 5 with the average customer rating out of 5.
9.2/10Excellent

Based on 237 customer reviews and our expert analysis

  • Experts rate the CMC Invest Cash ISA highly, noting its excellent 3.69% AER with tax-free interest, unlimited withdrawals, and no fees, making it a strong option for savers. The account is integrated within CMC’s broader investing platform, which is praised for its user-friendly app and robust customer service, although it is exclusively app-based and has a limited bonus period.
  • Across 237 user reviews on Good Money Guide, averaging 4.2/5, customers frequently commend the platform's ease of use, efficient customer service, and competitive spreads. Many users highlight the reliability and speed of trade execution, while some suggest improvements for the mobile app's user interface.

CMC Invest Cash ISA Expert rating

Our expert rating is the average of the areas listed here, each scored out of 5 by our team.
5.0Excellent

Our experts have rated CMC Invest Cash ISA across five key areas of our review framework.

  • Rates5.0
  • Flexibility5.0
  • App & Platform5.0
  • Customer Service5.0
  • Research & Analysis5.0

Pros

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

Cons

  • App-only product
  • Bonus limited to 90 days
See full expert review

Our verdict

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?

Yes, we rate CMC Invest's 3.69% Flexible Cash ISA as excellent as it comes with unlimited withdrawals and no fees.

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.

Customer reviews for CMC Markets

Customer ratings come from reviews left on this site. Every review is read and approved before it is published.
4.2Very good

Based on 237 reviews

  • Excellent52%
  • Very good22%
  • Basic18%
  • Poor6%
  • Bad2%
Read customer reviews

Top platform

Wayne Waterman ·

Really like there platform, easy to use on desktop and mobile.

Perfect

Inderjit Girn ·

Real time price. Easy to deposit or withdraw money

Efficient

Paul Smith ·

Very reliable app

Great

Marco Monteiro ·

The provider has a wide range of Forex CFDs that helps me create a Month Carry FX trade basket to spread my risk. The spreads are also quite low.

Fantastic

Kevin Harris ·

Update news and movement in the market

Best

APUL shah ·

Platform well designed

great

Catalin Boghiam ·

Option to enter position with predefined TP and ST

Great

Zhonghua Ren ·

Wide choice of trading instrument

Accurate, Assurance

Michael Mead ·

I have been using CMC Markets for Financial Spread Betting for around eight years now. I find the design and functionality of their Mobile and Desktop platforms easy to use, providing accurate information that can be used to make informed decisions.

In the world of Financial Spread Betting I would say trust in a provider is key; I feel CMC Markets based on my experience so far can be viewed as a trusted provider and that is why I would recommend CMC Markets to others.

Efficient

P Holman ·

Clear platforms on all devices - excellent customer service - patient and kind to retail traders

Responsive

Amer Saleh ·

Their platform is excellent and transactions execution are quick and as expected.

Easy to use and transaction is quick

Homan Thapa ·

Tutorial educationap videos explaining well.

Trusted

Andrew Bath ·

Very clear good mix of products

Excellent customer service

Pius Gnanapragasam ·

I use CMC markets for Forex. Really impressed with the courteous and professional service

Excellent

Jean Scott ·

Accurate pricing

Comprehensive

Kevin Killen ·

the platform offers a "one-stop-shop" for research, data, and execution and a user-friendly interface that is easy to navigate, regardless of experience level

Top notch

Chris Baker ·

Everything you need in trading

great

Fred Bobga ·

This is my first experience.

So far, I have no complaints.

reliable

Daphie Muhoza ·

Small Spread - fixed guaranteed stop loss - easy to use the platform.

fantastic

Charles Robertson ·

Everything, and I have been with them since they were called deal4free.

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 Alternatives

You can get much better returns if you choose a stocks and shares ISA where your money is invested in the stock market.

Find the perfect stocks and shares ISA for you. Our investment ISA comparison table lets you quickly compare account fees, and show ratings from 1000s of customers.

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