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Triodos Bank: Cash ISA reviews

4.94
Based on 2,944 reviews, last reviewed 20th Mar 2026
32100% increase in 5 star reviews
in the past 90 days
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Latest highest rating:

5

Saving with Triodos has been so easy. Saving with Triodos has been so easy. They are great at communicating regularly through emails, the design and layout of the app is very pleasing and ... Read more Reviewed on: 20th March 2026
Grace Daley's avatar
Grace Daley

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.

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Triodos Bank Cash ISA reviews (2944)

A better world is possible!!!!!!

5
Triodos is a bank that should be copied by every institution! Anything else should not be permitted to exist because of the great harm they inflict!!!! The money system as we know it is not fit for purpose and never has been as the results show. We cannot eat money. Reviewed on: 4th February 2020

A good choice of ISA

5
I decided to move an ISA to Triodos because I value the company's ethical stance. I had expected the process to be a bit tricky, having had not entirely happy experiences with other banks in the past, but everything worked like a dream. There were a couple of things I wasn't sure about but the Triodos staff member who answered my phone call understood exactly what I wanted to know and gave me very helpful answers, so the whole process was extremely quick and straightforward. The website works well and I can see how may savings are doing. the return is not bad but the more important thing for me is that I'm happy that my money is being used ethically. Reviewed on: 4th February 2020

Ethical banking

5
It is great to be able to bank with a company that works by our principles and uses our money for causes we believe in. Also when you phone they are human and friendly like no other bank I know. Reviewed on: 4th February 2020

Best bank in UK

5
Researched ethical savings in UK and decided that Triodos offers the best options. My Pioneer Fund ISAs have performed extremely well, and am pleased to invest in a bank which cares about sustainability and ethics. Reviewed on: 4th February 2020

I use Triodos for everything except instant transactions, and have done for several years.

5
good service, and nice to know where my money is going. Reviewed on: 4th February 2020

Refreshingly positive banking

5
The online interface is easy to use, but the best part is that there's always a new, refreshing story on the main website, about companies or initiatives that are supported by or that bank with Triodos, and that are doing good in the world. I feel confident that my money does not exploit our environment or other people, and indeed, it contributes, through Triodos, to a more positive world. Reviewed on: 4th February 2020

Minimise evil in an evil industry

5
We don't really have the choice not to use a bank these days. Everything is electronic, so we have to participate in society and this means risking that the money in your bank account is being used for something that makes your skin crawl. I don't save anywhere near enough money for my impact on anything to be significant, however, I'd rather my minuscule contribution to monies held within the banking sector to go somewhere where they care about something other than just money. Triodos invest in some valuable, ethical projects and it gives me a tiny bit of relief that I'm not just making the fat cats fatter. Cheers Triodos! Reviewed on: 22nd January 2020

the bank is helpfull and informative

5
Investing in Triodos gives me satisfaction that I am helping organisations that do not cause harm to the environment or to other living beings. Reviewed on: 26th December 2019

ISA triodos

5
Isa has the best interes for your savings I have found so far as well as being managed by an Ethical Investment Policy Reviewed on: 15th December 2019

Sustainable world

5
Triodos allows you to invest on the bank and help out to make a better world with sustainable and ethical investing. Reviewed on: 27th January 2019

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