Based on 6 reviews
A product by Monument
Monument’s Easy Access Cash ISA is flexible and lets clients replace any withdrawals without affecting their £20,000 tax-free allowance. The Cash ISA can be opened with balances from £10,000, or £1...
Based on 1262 reviews
A product by Zopa
The Zopa Smart ISA can be opened with as little as £1. Customers who already have a Smart Saver Account can apply for a Smart ISA via the Smart Savings Hub....
Based on 2607 reviews
A product by Triodos Bank
Triodos offer ethical ISAs so your money can have a positive impact on people and the planet. The Triodos Online Cash ISA can be opened with £10. The Triodos Fixed Rate...
Based on 1111 reviews
A product by Trading 212
The Trading 212 cash ISA is completely free with no account fees. The Trading 212 cash ISA is flexible so you can withdraw funds whenever you want to. Your interest accumulates...
At Smart Money People we want to make it easy to compare your financial product options with our approach to rankings.
We use a combination of data from the reviews we receive to calculate our rankings. This includes the 1-5 star ratings given by reviewers, when the reviews were left on our site and other insightful data from the reviews.
It’s important to us that all our rankings are fair and consistent in the way they’re calculated. That’s why every financial product featured on our site is ranked in the same way using our own unique algorithm.
Based on 980 reviews
A product by Moneybox app
Moneybox have a Cash ISA that can be opened in minutes on the app. The Moneybox Cash ISA can be opened with a minimum of £500 and you can transfer in...
Based on 13 reviews
A product by iFAST Global Bank
You can open an iFAST Flexible Cash ISA with just £1. You can manage your iFAST Flexible Cash ISA online or in app. You also have the freedom to withdraw and...
Based on 128 reviews
A product by Nottingham Building Society
Nottingham Building Society ISA reviews from our Smart Money People can help you to give you the inside track on what having an ISA with Nottingham Building Society is really...
Based on 14 reviews
A product by Nottingham Building Society
Nottingham Building Society ISA reviews from our Smart Money People can help you to give you the inside track on what having an ISA with Nottingham Building Society is really...
Based on 70 reviews
A product by Tembo Money
A Tembo cash ISA can be opened in minutes with as little as £10. The interest rate is variable and you can have unlimited same day withdrawals with no penalties. Interest...
Based on 61 reviews
A product by Nationwide
The Nationwide Fixed Rate Cash ISA can be opened with as little as £1. You can open a Nationwide Cash ISA by using the banking app or internet bank (if you’re...
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Frequently asked questions
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What is a Cash ISA?
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A Cash ISA (Individual Savings Account) is similar to a regular savings account, but you earn tax-free interest on your savings.
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How many Cash ISAs can you have?
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As long as you don't exceed the annual contribution limit, you can technically have as many Cash ISAs as you like. You can have Cash ISAs with different providers, although some will only let you have one Cash ISA with them.
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How much can you put into a Cash ISA each year?
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As of the 2025/26 tax year, the annual ISA allowance is £20,000. This is the maximum amount you can save in any ISAs you have, and this isn't restricted to just one ISA. You can save up to £20,000 in Cash ISAs, Stocks and Shares ISAs, and one Lifetime ISA in a single tax year.
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