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Cynergy Bank: Cash ISA reviews

Name: Cash ISA
Rating: 4.87 (159 reviews)

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4.87

Based on 159 reviews, last reviewed 26th Mar 2026

14700% increase in 5 star reviews

in the past 90 days

200% increase in 1 star reviews

in the past 90 days

93%

2 star

Latest highest rating:

5

Cynergy review Clear website. Decent rates. More content is unessaessary Reviewed on: 26th March 2026

Latest lowest rating:

1

terrible telephone customer service at ISA maturity. terrible telephone customer service at ISA maturity. apparent new online system that was not functional 11 days before maturity. no workaround. had ap... Read more Reviewed on: 23rd March 2026

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About this product

Cynergy Bank have a range of cash ISAs.

You can choose from fixed rate cash ISAs or easy access cash ISAs. Cynergy Bank cash ISAs can be opened with a minimum of £500. You can open and manage a Cynergy Bank cash ISA online.

Cynergy Bank cash ISA reviews help you find out what it’s really like to be a customer. If you’ve used Cynergy Bank before, you can also leave a review and share your experience.

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Cynergy Bank Cash ISA reviews (159)

Great service and value for money

Query was handled and solved in a swift and professional manner Reviewed on: 23rd March 2026

As easy as it should be!

Very easy navigation of website and app, able to easily manage various accounts with speed. Reviewed on: 23rd March 2026

Very easy to use and very helpful to

The bank is really straight forward, have a cash Isa with them and they took me through the steps and I had no problems at all, would highly recommend this bank Reviewed on: 23rd March 2026

Competitive ISA interest rates

Very competitive ISA interest rates, and instant response to my queries. Reviewed on: 23rd March 2026

Easy to open account and transfer in

Easy to open account and transfer in Reviewed on: 23rd March 2026

A well presented website.

A well presented website. It was easy to find and set up what I wanted. Reviewed on: 23rd March 2026

Easy to use app.

Easy to use app. Very good interest rates Reviewed on: 23rd March 2026

Great customer service

Great customer service on the rare occasions that I have needed to make contact. Reviewed on: 23rd March 2026

Great rates and easy to deal with from opening to cl...

Great rates and easy to deal with from opening to closure (for fixed term versions) Reviewed on: 23rd March 2026

A friendly bank

Always there to answer the phone. Offer a good return on investment. The app is simple to transact with. Excellent bank to deal with unlike many others. Reviewed on: 23rd March 2026

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