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Triodos Bank: Cash ISA reviews

4.95
Based on 3,072 reviews, last reviewed 24th Mar 2026
44700% increase in 5 star reviews
in the past 90 days
No new 1 star reviews
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6%
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Latest highest rating:

5

Easy to use bank. Easy to use bank. Doesn’t bother me with constant irrelevant advertising. Reviewed on: 24th March 2026
Holly C's avatar
Holly C

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 (3072)

Review of the Triodos Bank, Cash ISA:

Easy to deal with, helpful on the phone.

5
Easy to deal with, helpful on the phone. Ethical banking. Reviewed on: 22nd April 2025

Ethical ISA

5
The customer service I have received from Triodos has always good, and it feels so much better to know that my money is being used to invest in and support ethical businesses who are making a difference for good in the world. Reviewed on: 26th February 2021

Ethical savings

5
Good to know one’s retirement savings are as ethical as possible Reviewed on: 26th February 2021

Ethical and transparent

5
I have had a cash ISA with Triodos for many years; although the interest rate is low at the moment it's better than some options. But more importantly Triodos keeps customers informed about exactly what they are doing with our money, and they invest ethically and sustainably in causes I am very happy to support. Reviewed on: 26th February 2021

Triodos will save us all!

5
It is such a relief for my conscience that Triodos can offer a more ethical banking solution. I think we desperately need to move away from an exploitative and violent investment paradigm and Triodos is leading the way to realising a world built on respect for all life. Thank you Triodos! Reviewed on: 26th February 2021

Easy to manage and feels a great choice for the future

5
When I wanted to open a savings account for my little boy there was no other choice than Triodos. I want him to know from an early age that money can be used for good. Reviewed on: 26th February 2021

Great Ethical Banks

4
Transparent and lend to sustainable companies - keep it up, a great bank! Reviewed on: 26th February 2021

I know my money is being put to good use

5
Easy to check on the account with online banking and regular updates about companies that the bank has funded. Much higher ethical credentials than other banks, even Co-op. Reviewed on: 26th February 2021

What our planet needs

5
Ethical banking when and where the world needs it most. Triodos is a bank that appreciates we all share the same planet, a bank that supports projects and business that supports us all. I appreciate transparency and human-sized values of Triodos. Reviewed on: 26th February 2021

Respectful

4
Easy to cask with, pragmatic but wish app possible Reviewed on: 26th February 2021

Go to prioritise ethical investment over profit

5
As well as being ethical, Triodos is also very collaborative, efficient in administering accounts and keep savers like me well informed. Reviewed on: 26th February 2021