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Triodos Bank: Cash ISA reviews

4.94
Based on 2,924 reviews, last reviewed 20th Mar 2026
30300% increase in 5 star reviews
in the past 90 days
No new 1 star reviews
in the past 90 days
See only 5 star reviews
94%
See only 4 star reviews
6%
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0%
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Latest highest rating:

5

Very easy to set up and use. Very easy to set up and use. Clear web site. Good rates hopefully for a fairer world. Reviewed on: 20th March 2026
Eden K's avatar
Eden K

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 (2924)

Review of the Triodos Bank, Cash ISA:

A bank that doesn't invest in fossil fuels

5
I love that this bank doesn't invest in fossil fuels, what a powerful way of looking after the environment! Great app and customer service too Reviewed on: 15th April 2025

Ethical, trustworthy, people friendly

4
I feel so relieved to have the Triodos bank to save my money in. I feel I can trust them to be truly ethical that I’ve not found anywhere else to the same degree. They handpick who to support and invest in which makes the risk feel so much easier in these uncertain times. I believe what they say, their consideration of the future and their realism around values and needs and how best to meet these. They are a great service. Reviewed on: 15th January 2022

Peace of mind

5
It makes me feel better to know my money is being invested in ethical issues. Helps me sleep at night! Reviewed on: 15th January 2022

Ethical Banking for People and Planet

5
Triodos Bank provides excellent guidance how to invest our money.. My investment does not only provide a reasonable return but it offers a service to the community where it has been invested and helps to protect and restore our natural environment. Reviewed on: 15th January 2022

Ethical, sustainable banking.

5
With Triodos I know that my investment will be used to finance the development of a sustainable and ethical economy. Reviewed on: 15th January 2022

Incredible forward looking, genuinely ethical bank

5
I’m just SO glad Triodos bank exists! Best decision I ever made was to bank and invest with them. With their help I am now able to more effectively vote for the change I want to see in finance -and in the world. Just love what they do, also great customer service -would absolutely and highly recommend! Reviewed on: 15th January 2022

Most Ethical UK Bank

5
Most Ethical UK Bank. Whenever I have called them the people have always been very helpful and easy to speak to. Reviewed on: 15th January 2022

Ethical is best

5
As good as any other bank bur ethical which is what counts most of all Reviewed on: 15th January 2022

Reliable and ethical

5
I've kept my savings with Triodos for several years. I was recommended by a friend who told me about the wonderful ethical projects my money would go to. I've found them particularly easy to reach and helpful on the phone. Reviewed on: 15th January 2022

A genuinely ethical bank

5
We get regular updates about the ethical businesses that our ISA supports. Now planning to switch my current account as well, since my old bank has made no effort to get out of fossil fuels. Reviewed on: 15th January 2022

Reliably ethical

5
Many companies now greenwash & flout their ethical credentials often when these are opaque or highly questionable. Triodos has always been reliably ethical as part of its raison d’etre. I wouldn’t trust any other bank on its ethical credibility as I do Triodos Reviewed on: 15th January 2022