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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)

Cash ISA-rewarding.

Opened a cash ISA 2 years ago efficiently at a very competitive rate. Later transferred an ISA with another provider with ease and again at a competitive rate. The banks process was straightforward, time efficient with a rewarding end I a good level of interest. Reviewed on: 25th March 2026

Always good interest rates.

Always good interest rates. Clear, concise and easy to use website. All options clearly set out. Cynergy seem to consistently out-perform other banks when it comes to financial returns on investments. Good communication channels too. I often move my savings about but Cynergy has been a constant financial companion. Reviewed on: 24th March 2026

Cynergy Bank

easy safe and secure to use the online banking and to send messages etc. competitive rates of interest Reviewed on: 24th March 2026

excellent customer service and high interest rates

have one of best rates and very easy to use web site Reviewed on: 24th March 2026

Great products with very competitive interest rates...

Great products with very competitive interest rates and great customer service. get through instantly on the phone. Easy to use website. Reviewed on: 24th March 2026

simple website to follow and great interest rates co...

simple website to follow and great interest rates compared with competitors Reviewed on: 24th March 2026

All the communication from Cynergy is clear and timely.

All the communication from Cynergy is clear and timely. A great experience Reviewed on: 24th March 2026

very good communication and easy on line

very good communication and easy on line Reviewed on: 24th March 2026

my rainy day money

are happy to explain should I not be able to navigate my way through on line instructions. They do tell me when they have a better product for me Reviewed on: 24th March 2026

Simple and straightforward account management

Cynergy account application and subsequent management online is very easy to use. Reviewed on: 24th March 2026

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