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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)

Consistently good rates and excellent customer service

I've had an ISA with Cynergy for some years.-customer service are 2nd to none-always excellent at sorting out my problems yet polite & friendly too. Interest rates are pretty competitive too Reviewed on: 23rd March 2026

First Try Cynergy Bank

Always check rates and services With Cynergy Bank before others Reviewed on: 23rd March 2026

An Easy to use Website & App.

An easy to use Website & App. An excellent range of very competitrive products along with excellent s=custoer service. Reviewed on: 23rd March 2026

Great app.

Great app. All the info about your account is easily available. Reviewed on: 23rd March 2026

Easy to deal with

Easy to deal with, swift and not kept waiting for a response. Answering the phone instantly and knowledgablestaff. Reviewed on: 23rd March 2026

Good communication

Good communication - clear language. Always give you good notice regarding changes and when your a/c rate is coming to an end. Reviewed on: 23rd March 2026

Grest bank to bank with!

Very friendly and efficient staff, dealt with my queries on the phone quickly and efficiently. Reviewed on: 23rd March 2026

My attempts to organise online access have been bad

My attempts to organise online access have been uniformly unsuccessful Reviewed on: 23rd March 2026

Always pretty much up there with best interest rates...

Always pretty much up there with best interest rates and let you know when they have another account that could provide a better return Reviewed on: 23rd March 2026

Easy to use, updates on rate changes, good app

Easy to use, updates on rate changes, good app Reviewed on: 23rd March 2026

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