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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)

Excellent, reliable service.

Excellent, reliable service. Online help is easy accessible and resolves issues in minutes. Reviewed on: 23rd March 2026

ISA - End of Tax Year deadlines

Cynergy Bank had always provided guidance towards the end of the tax year re. ISA to ensure I maximise my tax-free allowances, Reviewed on: 23rd March 2026

I have used them as my isa provider for the past 2 y...

I have used them as my isa provider for the past 2 years ,opening an account and arranging the transfer of an ISA from anothe rprovider was straightforward. Reviewed on: 23rd March 2026

Cynergy have gone from strength to strength.

Cynergy have gone from strength to strength. Reviewed on: 23rd March 2026

Easy to open cash isa with excellent interest rate g...

Easy to open cash isa with excellent interest rate good communication fron Cynergy whilst doing this Reviewed on: 23rd March 2026

Very good interest rates excellent customer service

Very good interest rates and excellent customer service. Brilliant App and very use to use. Reviewed on: 23rd March 2026

Straight forward , good information, good value inve...

Straight forward , good information, good value investment - best on market at the time Reviewed on: 23rd March 2026

Geat rates on all their accounts

Rates are always good on all the accounts and if you have any queries, the customer service staff are great - so helpful! Reviewed on: 23rd March 2026

Unbeatable

Always very helpful and offer the best interest rates Reviewed on: 23rd March 2026

They keep to their promise.

They keep to their promise. Easy to set up. Competitive interest rates. Reviewed on: 23rd March 2026

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