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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

29100% 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 to contact, good product range, all done effici...

Easy to contact, good product range, all done efficiently online. The new app is much better than it was. Had to phone regarding a query and actually spoke to a very nice person which was a refreshing change from being in a queue and speaking to a robot! Reviewed on: 17th April 2026

very easy access and easy get along

very easy access and easy get along Reviewed on: 17th April 2026

Easy to deposit money.

Easy to deposit money. Secure app. Great interest rates. Reviewed on: 17th April 2026

Easy and quick to set up account.

Easy and quick to set up account. Easy to transfer isa to a better rate. Very responsive to secure message. Reviewed on: 17th April 2026

Cynergy Makes Sense.

It was so easy to set up my Cash Isa Account online which came with as great competitive rate. Communication was excellent and everything was confirmed in a short space of time. Overall, a great experience. Reviewed on: 17th April 2026

Very easy to top up my existing ISA, great there wa...

Very easy to top up my existing ISA, great there was no hassle Reviewed on: 17th April 2026

Good spp

There is an app available which provides you with information on interest earned to date and projected interest. I find this very informative. Reviewed on: 17th April 2026

Good interest rates.

Always competitive interest rates. Customer service is good Reviewed on: 17th April 2026

A great experience.

Very easy both to transfer money to a cash ISA and communication from the company. When withdrawing my money after a year I found it very straightforward and fast. It was simple to receive answers to any queries I had. Reviewed on: 17th April 2026

Good cash ISA

Have used Cynergy bank for a few years now due to good interest rates. Found it easy to transfer money in, switch accounts without any issue. App is very useful and convenient. Reviewed on: 17th April 2026

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