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Cynergy Bank: Cash ISA reviews

Name: Cash ISA
Rating: 4.77 (318 reviews)

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4.77

Based on 318 reviews, last reviewed 13th Jul 2026

5% decrease in 5 star reviews

in the past 90 days

150% increase in 1 star reviews

in the past 90 days

92%

Latest highest rating:

5

Competitive rates and helpful website Competitive rates and helpful website Reviewed on: 13th July 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 (318)

Competitive rates and helpful website

Competitive rates and helpful website Reviewed on: 13th July 2026

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

Transferring a cash ISA to Cynergy

Transferred a maturing Cash ISA from another provider to Cynergy. Previous provider were very slow with the process but Cynergy kept me informed until the transfer had taken place. Reviewed on: 29th April 2026

have 4 fixed I S A. s happy 4 me.

have 4 fixed I S A. s with cynergy bank 3 since 2017 when it was cypress bank so what does that say Reviewed on: 21st April 2026

I have trusted my money to C.ynergu Bank

I have trusted my money to C. B. And never had a problem. Reviewed on: 21st April 2026

Cynergy have effective clear information & things ju...

Cynergy have effective clear information & things just work Reviewed on: 21st April 2026

Very good experience when contact for information

Very good experience when contact for information Reviewed on: 21st April 2026

Service always excellent and happy with all aspects...

Service always excellent and happy with all aspects of Cynergy bank. Reviewed on: 20th April 2026

Good customer support.

I have Found Cynergy bank to be most supportive of their customers. Great bank to deal with and Gerry competitive interest on savings. Reviewed on: 20th April 2026

I have an ISA account with Synergy bank.

I have an ISA account with Synergy bank. The account opening was easy. The customer service is great. I hope to keep my ISA funds with synergy after the one year fixed period elapsed and hope they will offer me a better rate to stay with them. Reviewed on: 20th April 2026

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