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Cynergy Bank: Cash ISA reviews

4.85
Based on 298 reviews, last reviewed 19th Apr 2026
27500% increase in 5 star reviews
in the past 90 days
600% increase in 1 star reviews
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Latest highest rating:

5

Cash ISA A very good product and easy to open Reviewed on: 19th April 2026
Bob Smart's avatar
Bob Smart

Latest lowest rating:

1

Cynergy Bank complaint team has been very difficult... Cynergy Bank complaint team has been very difficult to get through to as they do not have an option to speak to them and have never listened to my iss... Read more Reviewed on: 18th April 2026
Kieran G's avatar
Kieran G

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 (298)

no problems, excellent rates, prompt service

5
no problems, excellent rates, prompt service Reviewed on: 24th March 2026

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

5
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...

4
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

5
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...

5
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

5
Fairly easy to navigate, quick to answer queries. Reviewed on: 24th March 2026

Only had ISA products.

5
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.

5
Competitive ISA interest rates. Reasonable wait for call centre to take calls. Reviewed on: 24th March 2026

2 year fixed rate ISA

5
Easy to set up and maintain, and with good interest rate attached. Reviewed on: 24th March 2026

Such a great Bank.

5
Such a great Bank. They always inform you Off interest rates changing. I love the fact that I don’t have to go looking when the rates change. They do it for you. Nothing is kept undercover. And if they feel that you need to change they give you a suttle nudge. It is then up to you to choose. I have no hesitation to recommend this Bank to anyone. I have both ISA and savings accounts with them and both work really well. It is so easy to change from one interest rate to another. It happens in seconds with no problems, however many times you change. Reviewed on: 24th March 2026

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