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Triodos Bank: Cash ISA reviews

4.94
Based on 2,679 reviews, last reviewed 9th Mar 2026
6900% increase in 5 star reviews
in the past 90 days
No new 1 star reviews
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Latest highest rating:

5

I have trusted Triodos with my money for many years... I have trusted Triodos with my money for many years now. It’s so wonderful to know that it is only being used to fund ethical practices and companies.... Read more Reviewed on: 9th March 2026
E Marsh's avatar
E Marsh

Latest lowest rating:

1

It was so easy ! It was so easy ! I have never had an ISA before so I was really relieved to find out how simple it was to invest ethically. Reviewed on: 11th April 2025
Jo H's avatar
Jo H

About this product

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 Cash ISA is a two-year product and can be opened with just £1.

Triodos Cash ISA reviews help you find out what it’s really like to be a customer. If you’ve used Triodos before, you can also leave a review and share your experience.

Triodos Bank Cash ISA reviews (2679)

Review of the Triodos Bank, Cash ISA:

A sustainably invested ISA that has been very easy t...

5
A sustainably invested ISA that has been very easy to manage. The green policies of Triodos give me peace of mind that my savings are being used ethically. Reviewed on: 15th April 2025

Ethical banking in a country that rates as the secon...

5
Ethical banking in a country that rates as the second biggest arms exporter in the world, must be a decent choice. Reviewed on: 16th January 2024

ethical and efficient

5
I wanted to be sure that money I'm trying to save is only put to use for purposes I feel are good uses. Triodos Bank set out clearly their ethical principles, which seem to match mine, and provide lots of information illustrating the types of business and projects they invest in. It was quick and straightforward to set up my cash ISA with them. Their enquiry phone line always seems to be answered promptly and is staffed by people who have always been able to answer any question I have rung about informatively and helpfully. Reviewed on: 16th January 2024

The environment must come first.

5
It is very important to me that my savings do not contribute to environmental damage. I also have the Triodos current account for the same reason. I trust Triodos to use my money wisely and with a social conscience. Reviewed on: 16th January 2024

dependable

5
Solid service and ethics. Good banking interface and updates on initiatives. Reviewed on: 16th January 2024

Triodos is the ideal bank

5
Triodos offer good interest rates and you know your money is being used for ethical causes. They keep you informed about their projects and are just generally a bank that all other banks should emulate. Reviewed on: 16th January 2024

Triodos is solid and has excellent customer service

5
Triodos is solid and has excellent customer service Reviewed on: 16th January 2024

Simple to set up ethical cash ISA

5
Simple to set up ethical cash ISA Reviewed on: 16th January 2024

I am so pleased that my money is being used complete...

5
I am so pleased that my money is being used completely Ethically Reviewed on: 16th January 2024

I’d recommend Tridos to anyone and I do!

5
I’d recommend Tridos to anyone (and I do all the time), I came here to get away for banking, shareholders and unethical practices, but stayed because of the great service and ease of use. Online banking a breeze. Great to know I’m banking better. Reviewed on: 16th January 2024

Honest, Responsive bank that invests ethically

5
Really honest and responsive bank. Is the first to pass on better interest rates to customers. I found it important to have a bank which is operating ethically and will invest in the ethical investments. Have recently simplified their online platform to be more user friendly and is working well. Reviewed on: 16th January 2024

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