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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

Great to know money is being invested wisely for fut...

5
Great to know money is being invested wisely for future, good rates and help line staff are great Reviewed on: 22nd February 2025

Triodos understand the importance of values

5
Triodos understand the importance of values like no other bank and will only invest in companies and projects I can agree with. There website and service are second to none too. Reviewed on: 22nd February 2025

Sustainable banking

5
I like saving with Triodos because I know I'm supporting sustainable living. In a world that's becoming increasingly difficult to survive or thrive in, it's good to know that Triodos is there to help. Reviewed on: 22nd February 2025

Ethical cash ISA with good returns.

4
Ethical cash ISA with good returns. Reviewed on: 22nd February 2025

A service as good as the companies ethics.

5
A service as good as the companies ethics. Reviewed on: 22nd February 2025

Ethical bank that values their customers

5
My main reason for choosing Triodos was their commitment to ethical banking. However their transparency and excellent communications ensures that they provide outstanding customer services at a time when most other companies treat customers as cash cows. I feel valued and that I am part of something making a difference. Reviewed on: 22nd February 2025

An easy to manage and ethical Cash ISA

5
Triodos provides an easy to manage and ethical Cash ISA with no complicated conditions or other strings attach. It does not have the highest interest rate on the market but it is good for an ethical savings account. Reviewed on: 21st February 2025

A bank which works proactively for good

5
Great to be saving with a bank which works proactively for good, investing in communities and businesses which benefit the environment Reviewed on: 21st February 2025

Ethical and transparent.

5
Ethical and transparent. Good communicators. Reviewed on: 21st February 2025

It's simply the most sustainable bank.

5
It's simply the most sustainable bank. If you're not with Triodos, there's a large chance you're fuelling climate breakdown. Reviewed on: 21st February 2025

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