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Triodos Bank: Cash ISA reviews

4.94
Based on 2,653 reviews, last reviewed 6th Feb 2026
4400% 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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0%
See only 1 star reviews
0%

Latest highest rating:

5

The most ethical bank This account is very easy to operate and the funds are invested ethically. Reviewed on: 6th February 2026
Barbara P's avatar
Barbara P

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 (2653)

Review of the Triodos Bank, Cash ISA:

Excellent all round

5
Through Triodos my money helps small and local, and large and global, all ethically. Decent interest rates too. Customer service both via web and phone is excellent. Reviewed on: 7th March 2021

Excellent ethical financial services provider, with...

5
Excellent ethical financial services provider, with a good customer centric informative approach. Great to find out the impact our money has. Reviewed on: 30th January 2026

All banks should behave like this!

5
I love the bank’s ethical approach to looking after my money Reviewed on: 30th January 2026

Transparent Banking.

5
Triodos have provided dependable transparent banking. Reviewed on: 30th January 2026

Management fees

5
The management fees are substantially lower than somewhere like Quilter and yet about 25% of my investment fund with them is held in Triodos. This feels like jobs for the boys!! Reviewed on: 30th January 2026

Ethical banking

5
It is so good to feel confident that money is put to good use rather than supporting a range of unethical causes (like gas and oil investment, arms development, poor trade practice) as I think is likely in most major high street banks. Reviewed on: 30th January 2026

Never a worry

5
I have £50,000 invested with the Triodos Bank. I am confident they are using it responsibly, ethically and in support of sustainable projects Reviewed on: 30th January 2026

Win! Win! Win!

5
Excellent communications and service and I know my savings are supporting very worthy causes. Reviewed on: 30th January 2026

Best ethical bank

5
I love the bank's ethics and the straightforward banking app Reviewed on: 30th January 2026

Ethical banking at its best

5
Great ethical bank with helpful reporting. Reviewed on: 30th January 2026

Easy to set up, good interest rates and the peace of...

5
Easy to set up, good interest rates and the peace of mind that your money is being invested in ethical and sustainable projects. Reviewed on: 30th January 2026

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