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Cynergy Bank: Cash ISA reviews

Name: Cash ISA
Rating: 4.87 (159 reviews)

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4.87

Based on 159 reviews, last reviewed 26th Mar 2026

14700% increase in 5 star reviews

in the past 90 days

200% increase in 1 star reviews

in the past 90 days

93%

2 star

Latest highest rating:

5

Cynergy review Clear website. Decent rates. More content is unessaessary Reviewed on: 26th March 2026

Latest lowest rating:

1

terrible telephone customer service at ISA maturity. terrible telephone customer service at ISA maturity. apparent new online system that was not functional 11 days before maturity. no workaround. had ap... Read more Reviewed on: 23rd March 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 (159)

Simple easy and efficient online cash ISA

Simple easy and efficient online cash ISA Reviewed on: 23rd March 2026

Very competitive products best interest rates

Very competitive products and excellent customer service good website navigation Reviewed on: 23rd March 2026

Helpful and stress free

Always had very good service and help from Cynergy staff. Reviewed on: 23rd March 2026

Easy website and prompt transfer in of my Isa

Easy website and prompt transfer in of my Isa Reviewed on: 23rd March 2026

good interest rates, good communication

have used cynergy for some time and always been happy with the accounts on offer and with timely notifications Reviewed on: 23rd March 2026

Easy banking good rates of interest and customer ser...

Easy banking good rates of interest and customer services were great Reviewed on: 23rd March 2026

Good company easy to use app response quick helpful...

Good company easy to use app response quick helpful staff Reviewed on: 23rd March 2026

Very competitive interest rates

Much better interest rate than other providers informs you in good time when your account is reaching maturity very easy to navigate online Reviewed on: 23rd March 2026

Absolutely Wonderful Cynergy

Cynergy were absolutely wonderful helping me to set up my cash IDA with them Reviewed on: 23rd March 2026

I am always happy with my dealings with Cynergy Bank...

I have a Cash Isa with Cynergy Bank at present but have previously had a fixed 1 year savings account and an easy access account. I have always found Cynergy Bank to be most helpful and efficient when dealing with any of my accounts I have held with them. Reviewed on: 23rd March 2026

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