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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.

Review Cynergy Bank: Cash ISA now

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Cynergy Bank Cash ISA reviews (317)

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

Cynergy's help with transferring ISA

Applied online to transfer an existing maturing ISA from one provider to Cynergy bank in November 2025. The existing provider took forever to do the transfer, even though everything was correct. Cynergy were very helpful and patient and the transfer eventually took place in December 2025. Reviewed on: 23rd March 2026

Review Cynergy Bank: Cash ISA now

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Cynergy Bank: Cash ISA reviews

9500% increase in 5 star reviews

700% increase in 1 star reviews

Latest highest rating:

5

Latest lowest rating:

1

About this product

Review Cynergy Bank: Cash ISA now

Cynergy Bank Cash ISA reviews (317)

ISA - End of Tax Year deadlines

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

Cynergy have gone from strength to strength.

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

Very good interest rates excellent customer service

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

Geat rates on all their accounts

Unbeatable

They keep to their promise.

Cynergy's help with transferring ISA

Review Cynergy Bank: Cash ISA now

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