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Cynergy Bank: Cash ISA reviews

View other Cynergy Bank products
4.77
Based on 317 reviews, last reviewed 10th May 2026
29100% increase in 5 star reviews
in the past 90 days
700% increase in 1 star reviews
in the past 90 days
See only 5 star reviews
92%
See only 4 star reviews
5%
See only 3 star reviews
1%
See only 2 star reviews
0%
See only 1 star reviews
2%

Latest highest rating:

5

I’ve always had a good experience when I phone. Staff are always helpful and knowledgeable and the phones are answered quickly Reviewed on: 10th May 2026
Stuart W's avatar
Stuart W

Latest lowest rating:

1

Don't use this Company Happy to take your money. Getting it back is proving difficult and costly. Reviewed on: 20th April 2026
David's avatar
David
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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.

Review Cynergy Bank: Cash ISA now

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Cynergy Bank Cash ISA reviews (317)

Great service

5
Great user friendly service. Competitive rates Reviewed on: 17th April 2026
Mark T's avatar
Mark T

A positive experience with all the help I required.

4
A positive experience with all the help I required. Reviewed on: 17th April 2026
Ian Phillips 's avatar
Ian Phillips

Very good customer services

5
Very good customer services. Timely updates. Issues resolved promptly. Very good bank. Definitely recommend. Reviewed on: 17th April 2026
Mr's avatar
Mr

Issues transferring isa, very poor customer service

1
Issues transferring isa, very poor customer service Reviewed on: 17th April 2026
Keith G's avatar
Keith G

It is very easy to use Cynergy on line.

5
It is very easy to use Cynergy on line. It is a great service with good interest rates. Reviewed on: 17th April 2026
Rosemary 's avatar
Rosemary

I feel that my ISA is in good hands with Cynergy.

5
I feel that my ISA is in good hands with Cynergy. I get information on line and the safety of logging on is excellent. This is my first time on dealing with my savings in this way and Cynergy is the best. Reviewed on: 17th April 2026
William Dagnall's avatar
William Dagnall

Excellent communication and Website is easy to use

5
Very easy to set up the account and manage it. Cynergy Bank communication is always timely and in plain English which is important to me as English is not my first language. I would definitely recommend Cynergy Bank to others. Reviewed on: 17th April 2026
Irmgard H's avatar
Irmgard H

Easy to change ISA account

5
It is easy to change ISA account for a better interest rate throughout the year. Reviewed on: 17th April 2026
Paul K's avatar
Paul K

Smooth experience ISA transfer in and out

5
Smooth experience ISA transfer in and out Reviewed on: 17th April 2026
Dimitrios 's avatar
Dimitrios

I have saved with Cynergy Bank for several years...

5
I have saved with CynergyBank Bank for several years and have never experienced any problems. They are easy to deal with and any necessary communication is dealt with promptly and efficiently. Reviewed on: 17th April 2026
S K's avatar
S K

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