Write a review

Go to business site

Cynergy Bank: Cash ISA reviews

Name: Cash ISA
Rating: 4.77 (317 reviews)

View other Cynergy Bank products

4.77

Based on 317 reviews, last reviewed 10th May 2026

29100% 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

Read all reviews Write a review

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

Help others make smarter decisions by sharing your own experience.

Write a review

Cynergy Bank Cash ISA reviews (317)

Good to have

Easy to set up at a good rate, and they keep in touch. Reviewed on: 18th April 2026

Cynergy rating

Helpful customer service and their on line service could be better improved.Competitive rates Reviewed on: 18th April 2026

Best rates

Best rates going and good service. Reviewed on: 18th April 2026

Cynergy Bank is great for customers

Cynergy Bank offers terrific products combined with professional and helpful staff. Other banks could learn a lot from them. Reviewed on: 18th April 2026

Cash ISA

I've been using Cynergy Bank for a couple of years now, I set up a couple of cash ISAs using their website, the rates were very competitive, The website is very user friendly, simple and straightforward to use. Highly recommended. Reviewed on: 18th April 2026

Excellent Bank

Excellent Bank, nothing is too difficult and they have always actioned my requests quickly and with a smile. Reviewed on: 17th April 2026

A good , helpful bank .

A good bank, offering competitive rates of interest. Provides excellent communication - The bank dealt with queries regards the management of account clearly and quickly. Reviewed on: 17th April 2026

Cynergy bank works for me

Cynergy bank always give best interest rates compared to all other bank, they kept me informed of progress and interest made, they inform me of new rates in plenty of time at renewal and deal with all paperwork on transfers Reviewed on: 17th April 2026

Cash Isa .

best value for money with ISA .easy to manage online . Reviewed on: 17th April 2026

Great bank, great service, great rates.

Great bank, great service, great rates. Very happy Reviewed on: 17th April 2026

Do you have a different Cynergy Bank product?

Share your experiences with products to help others make smarter financial decisions and learn more about different products available. Write a review

Alternative products

Cash ISA
from Close Brothers Savings 4.18 from 4 reviews
Cash ISA
from Hampshire Trust Bank 0.00 from 0 reviews
Property ISA
from BrickLane 3.54 from 3 reviews

Want to see more from Cynergy Bank?

Personal savings
from Cynergy Bank 4.73 from 216 reviews
Business Saving
from Cynergy Bank 4.64 from 35 reviews
Business Current Account
from Cynergy Bank 4.33 from 15 reviews

View all products

Join Smart Money People

Keep up to date on ratings of your favourite businesses. Find out about our awards and write new reviews with ease

Create an account

News, guides and insight from our team

View resource hub