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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)

my rainy day money

are happy to explain should I not be able to navigate my way through on line instructions. They do tell me when they have a better product for me Reviewed on: 24th March 2026

Simple and straightforward account management

Cynergy account application and subsequent management online is very easy to use. Reviewed on: 24th March 2026

Good serviceSecure and easy to navigate on-line site.

Secure and easy to navigate on-line site. Good interest rates. Reviewed on: 24th March 2026

Informed and helpful advisors

Advisors respond promptly to messages I send online or via the app. On the occasions I have had to call, particularly when changing my ISA to a fixed rate ISA, advisors were informed and helpful. Reviewed on: 24th March 2026

Very straight forward, easy to conduct business.

Very straight forward, easy to conduct business. Reviewed on: 24th March 2026

World Class Service Now Available...

The change from Bank of Cyprus to Cynergy has been a breath of fresh air Reviewed on: 24th March 2026

Easy to open and a good return of interestest.

Easy to open and a good return of interestest. The App is very easy to use and access. Reviewed on: 24th March 2026

Excellent service, great rates.

Opening a new account is very straightforward as is 'transferring in' ISAs from other providers. Interest rates are very competitive. Reviewed on: 24th March 2026

They always have good rates each year.

They always have good rates each year.. Previously I would have rated them less than today as it used to be that there was no account number verification, so you had to be very careful entering the digits. Now they do have account number verification. Reviewed on: 24th March 2026

Easy to bank with and great customer service.

Easy to bank with and great customer service. Offers excellent returns. Reviewed on: 24th March 2026

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