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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

Solid banking experience

5
I haven't needed to use customer service, but the app has improved significantly in recent times. Reviewed on: 1st April 2024
Reply from Triodos Bank Hi Lucy, Thank you for taking the time to leave us a review. We’re delighted to have you as a customer and thank you for your support. Kind Regards, Jennifer Response date: 25th April 2024
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Triodos Bank

Great savings rates with ethics

5
I've been banking with Triodos for a while and find their ethical approach to business and finance to be both inspiring and genuine. Their savings rates are among some of the best around so choosing an ethical way to bank and save has never been easier. Highly recommended. Reviewed on: 1st April 2024

Triodos is the best bank in every way.

5
Triodos is the best bank in every way. Their customer service is accessible, efficient and friendly. Their online product is easy to use. But the most important thing is that I know that they make good use of my money, investing in people, communities and the environment. Reviewed on: 28th March 2024

Triodos is THE bank that I trust to do good.

5
Triodos is THE bank that I trust to do good with my money. They only invest in causes that I can approve of such as community projects, environmentally conscious companies and renewable energy. Reviewed on: 28th March 2024

they are friendly on the phone.

5
they are friendly on the phone. The website is simple and efficient where other banks ‘ websites are full of irritating adverts.i also like the quote of how much CO2 my investments with Triodos have saved. Reviewed on: 27th March 2024

Love their kind ethos to people and the planet.

5
I love the fact I have found Triodos and that they bank the way me and my family think. It's hard to get the balance of money and environment, wellbeing, community right, but they've nailed it! Very impressed by their kind ethos to people and the planet. Reviewed on: 27th March 2024

Excellence all round

5
I have always fround the people at Triodos Bank to be transparent, effecient and friendly. I don't need to contact them much but whenever I do the service is always excellent. Reviewed on: 27th March 2024

Excellent service for the greater good of all.

5
I am grateful for having Triodos Bank to let me use my ISA to benefit the wider community, in direct contrast to many other banks. I am kept informed via email and the technology is efficient and easy to use. Reviewed on: 27th March 2024

Cash ISA

5
I am very satisfied with my cash isa and when the new tax year begins will add to it or open a second one Reviewed on: 26th March 2024

Value for me is not just in pounds and pence

5
Value for me is not just in pounds and pence, it is knowing that my money is making a difference and being invested in projects and businesses that do good, socially, culturally and environmentally. Communication from Triodos is excellent, so I know exactly what my money is doing while they are looking after it for me. I can't rate them highly enough. Reviewed on: 26th March 2024

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