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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)

ISA Accounts

I've been using Cynergy Bank Cash ISA options for a couple of years now, I found their rates very competitive. The online banking option is very straightforward and easy to use. I haven't encountered any problems or issues with them. Highly recommended. Reviewed on: 24th March 2026

no problems, excellent rates, prompt service

no problems, excellent rates, prompt service Reviewed on: 24th March 2026

I was recommended to purchase the ISA , because of...

I was recommended to purchase the ISA , because of the interest rate , and to date been very pleased . Reviewed on: 24th March 2026

Sometimes a little complicated to find the interest...

Sometimes a little complicated to find the interest rate or changing for the latest saving. Reviewed on: 24th March 2026

It provides me with great product and service

The web design is simple and straightforward. Any dealings with them have been handled efficiently and professionally and I have always found the rate of interest to be very competitive Reviewed on: 24th March 2026

Easy to set up with good feedback and communication...

Easy to set up with good feedback and communication between myself and your customer service Reviewed on: 24th March 2026

Cynergy Bank give excellent service

Fairly easy to navigate, quick to answer queries. Reviewed on: 24th March 2026

Only had ISA products.

Only had ISA products. Always offered competitive interest rates especially with customer loyalty rate add on Reviewed on: 24th March 2026

Competitive ISA interest rates.

Competitive ISA interest rates. Reasonable wait for call centre to take calls. Reviewed on: 24th March 2026

2 year fixed rate ISA

Easy to set up and maintain, and with good interest rate attached. Reviewed on: 24th March 2026

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