Smart Money People Logo
Go to business site
Share this page
Link copied

Cynergy Bank: Cash ISA reviews

View other Cynergy Bank products
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
See only 5 star reviews
93%
See only 4 star reviews
5%
See only 3 star reviews
1%
2 star
See only 2 star reviews
0%
See only 1 star reviews
1%

Latest highest rating:

5

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

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
R M's avatar
R M
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.
Give a 1 star rating Give a 2 star rating Give a 3 star rating Give a 4 star rating Give a 5 star rating
Write a review

Cynergy Bank Cash ISA reviews (159)

Professional and knowledgeable

5
Very easy to set up accounts. Helpful and knowledgeable staff when contacted about a query. Reviewed on: 23rd March 2026
Linda G's avatar
Linda G

I’ve had a very good experience with CynergyBank.

5
I’ve had a very good experience with CynergyBank. I just feel maybe it could be a little clearer to do things on online banking.. Reviewed on: 23rd March 2026
John Bull's avatar
John Bull

Efficient service

5
Efficient service and website easy to navigate. Reviewed on: 23rd March 2026
Phil J's avatar
Phil J

Poor response

1
Takes way too long to get any response? Reviewed on: 23rd March 2026
Will E's avatar
Will E

Great rats on isa and saving acc.

5
Great rats on isa and saving acc. Easy on the app and very helpful on the phone Reviewed on: 23rd March 2026
Mazal P's avatar
Mazal P

Confident service.

5
Helpful people in the provision of servicing our cash ISA's. Readily available to assist when required. Good to have someone answer a telephone call promptly. Reviewed on: 23rd March 2026
George 's avatar
George

I have had a cash ISA with them for many years, I've...

5
I have had a cash ISA with them for many years, I've found the interest rates to be very competitive, I can also move my money around to suit my needs, I wouldn't bank with anyone else. Reviewed on: 23rd March 2026
Terence p's avatar
Terence p

Always very competitive rates and good customer serv...

4
Always very competitive rates and good customer service. One of the best rates for the last year. Reviewed on: 23rd March 2026
Kathryn T's avatar
Kathryn T

Very user friendly website and app.

5
Very user friendly website and app. Excellent foresight and awareness of the Financial Economy. Reviewed on: 23rd March 2026
Sven Ainslie's avatar
Sven Ainslie

Always best rates

5
Always has the best rates and is easy to use Reviewed on: 23rd March 2026
Colin L's avatar
Colin L

Review Cynergy Bank: Cash ISA now

Help others make smarter decisions by sharing your own experience.
Give a 1 star rating Give a 2 star rating Give a 3 star rating Give a 4 star rating Give a 5 star rating
Write a review

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
Man on beach

News, guides and insight from our team

View resource hub
UK money news stories - 24 July 2024
UK money news stories - 24 July 2024
24th July 2024
Posted in Money Talks by Errolyn Smith
Your Money, Your Voice: Have your say
Your Money, Your Voice: Have your say
24th July 2024
Posted in Our insights by Errolyn Smith
Our latest research - customers see little impact of FCA's Consumer Duty one year on
Our latest research - customers see little impact of FCA's Consumer Duty one year on
24th July 2024
Posted in Our insights by Darryl Barkwill
Consumer credit awards winners 2024
Consumer credit awards winners 2024
11th July 2024
Posted in Awards by Darryl Barkwill