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Cynergy Bank: Cash ISA reviews

Name: Cash ISA
Rating: 4.77 (317 reviews)

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4.77

Based on 317 reviews, last reviewed 10th May 2026

9500% increase in 5 star reviews

in the past 90 days

700% increase in 1 star reviews

in the past 90 days

92%

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

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

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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 (317)

Easy bank to deal with and great accounts

Easy bank to deal with and great accounts Reviewed on: 23rd March 2026

My whole experience with Cynergy was flawless.

My whole experience with Cynergy was flawless. Reviewed on: 23rd March 2026

Hassle free with competitive rates.

Hassle free with competitive rates. Reviewed on: 23rd March 2026

ISA Products

good web site, good isa product options and excellent interest rates. Reviewed on: 23rd March 2026

Cast ISA

I opened a cash isa with a good interest rate & been very happy with the service. Reviewed on: 23rd March 2026

All ways very helpful and good rates.

All ways very helpful and good rates. Nice app too. Reviewed on: 23rd March 2026

Very pleasant Bank to deal with

I have been a customer of Cynergy bank for a number of years and have always found them to be professional , easy to communicate with very prompt service Reviewed on: 23rd March 2026

Excellent, easy to use App.

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

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

Interest rates

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

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