Smart Money People Logo

Cynergy Bank: Cash ISA reviews

4.85
Based on 300 reviews, last reviewed 19th Apr 2026
27700% increase in 5 star reviews
in the past 90 days
600% 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

Good value and nice people. Good value. Kept informed about maturity dates and options. Helpfully accessible by telephone, but online less easy if you don't have access to the ... Read more Reviewed on: 19th April 2026
Peter B's avatar
Peter B

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.

Review Cynergy Bank: Cash ISA now

Help others make smarter decisions by sharing your own experience. Write a review

Cynergy Bank Cash ISA reviews (300)

Excellent, easy to use App.

5
Excellent, easy to use App. The interest rates are very competitive. I have had accounts with Cynergy for a few years and they have provided me with an excellent service. Transferring between accounts and investng new money into the accounts is very simple within the App. Reviewed on: 23rd March 2026

Happy customer

5
Very happy with service provided to customers. Reviewed on: 23rd March 2026

Interest rates

4
Interest rates below par of late… Reviewed on: 23rd March 2026

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

Easy to contact and helpful customer service team

5
Easy to contact and helpful customer service team Reviewed on: 23rd March 2026

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

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

Everything always works smoothly

5
Everything always works smoothly Reviewed on: 23rd March 2026

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

easy to open account and good communication

5
easy to open account and good communication Reviewed on: 23rd March 2026

Do you have a different Cynergy Bank product?

Share your experiences with products to help others make smarter financial decisions and learn more about different products available. Write a review

Want to see more from Cynergy Bank?

    View all products