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Cynergy Bank: Cash ISA reviews

View other Cynergy Bank products
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
See only 5 star reviews
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Latest highest rating:

5

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

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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R M
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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 (159)

Happy customer

5
Very happy with service provided to customers. Reviewed on: 23rd March 2026
Deirdre C's avatar
Deirdre C

Interest rates

4
Interest rates below par of late… Reviewed on: 23rd March 2026
Michael's avatar
Michael

I have recently opened a 1 year Fixed rate cash ISA...

5
I have recently opened a 1 year Fixed rate cash ISA with Cynergy Bank online.The website was clear and simple to follow and I found the whole process very easy to follow and the rate of interest was pretty competitive at 4.11% Reviewed on: 23rd March 2026
Gary D's avatar
Gary D

Easy to contact and helpful customer service team

5
Easy to contact and helpful customer service team Reviewed on: 23rd March 2026
Vicky H's avatar
Vicky H

very easy to open a cash ISA and you are informed o...

5
very easy to open a cash ISA and you are informed on the same day if your application is succesful Reviewed on: 23rd March 2026
Androulla K's avatar
Androulla K

Very good with a phone chat that normally takes ages...

5
Very good with a phone chat that normally takes ages to get one Reviewed on: 23rd March 2026
Stephen B's avatar
Stephen B

Everything always works smoothly

5
Everything always works smoothly Reviewed on: 23rd March 2026
Janet H's avatar
Janet H

A great bank offering a range of savings and persona...

5
A great bank offering a range of savings and personal accounts. Really great rates of interest and their customer service is excellent. Reviewed on: 23rd March 2026
Turts's avatar
Turts

easy to open account and good communication

5
easy to open account and good communication Reviewed on: 23rd March 2026
Michael's avatar
Michael

ISA roll-over investment.

5
Cyergy Bank provided a good 'roll-over' interest rate at time of making re-investment. Easily transferred online. Reviewed on: 23rd March 2026
Edwin A's avatar
Edwin A

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