I recently opened a 5 year cash ISA with CTB and transferred in a Virgin Money maturing ISA. The set up was simplicity itself, and I love the communication from CTB; they send a text to tell you that... See more
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Review summary
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I found Castle Trust easy to deal with, both in the initial online account set-up for a Fixed Term Cash ISA, and in speaking to them directly when I had a query. Their App is straightforward. I was pa... See more
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Recently this bank came up on a search for best 5 year fixed rate cash ISA. Never heard of them before but the reviews were generally positive and also had the FSCS protection. Decided to open a n... See more
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The whole on-line process from application to initial funding and transfer of an existing ISA went through smoothly and quickly. I rang Castle Trust with a query regarding the interest rate on my ISA.... See more
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Company details
Written by the company
Castle Trust Bank was launched as 'Castle Trust' in October 2012, and in June 2020 we became Castle Trust Bank – a fully authorised UK bank. We’ve offered fixed-term, fixed rate savings accounts to existing customers since the end of 2020, and launched online savings accounts to new customers in August 2021. Eligible deposits with Castle Trust Bank are protected up to a total of £120,000 by the Financial Services Compensation Scheme, the UK’s deposit guarantee scheme. We are also a provider of specialist buy-to-let, and property development mortgages.
Contact info
Old Broad Street 25, EC2N 1HQ, London, United Kingdom
- castletrust.co.uk
4.5
Excellent
1K reviews
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I wanted to transfer an ISA from another Bank - all went smoothly.…
I wanted to transfer an ISA from another Bank to Castle. Easy to fill in the form to create a Castle ISA, in which I could specify the other Bank. When the time for transfer came, everything went smoothly and am now with Castle
14 March 2026
Reply from Castle Trust Bank
Welcome to Castle Trust Bank! Thank you for your feedback.
Easy to set up
Easy to set up with clear instructions. Friendly staff when phoning the customer service.
1 March 2026
Reply from Castle Trust Bank
We're pleased to have been of help. Thanks for leaving your review.
Reply from Castle Trust Bank
We're glad that your ISA Transfer went smoothly.
I work regularly with Castle trust as a…
I work regularly with Castle trust as a lending partner - they provide a prompt and efficient service. In particular I have found Jackie Merrigan in underwriting to be super helpful.
19 March 2026
Unprompted review
Reply from Castle Trust Bank
Thanks for your feedback Craig, we're glad to be working with you. And yes, Jackie is a star!
Had some issues logging in for the…
Had some issues logging in for the first time but Scott was phenomenal.
10 March 2026
Reply from Castle Trust Bank
Thanks for the feedback - great to see Scott doing a wonderful job as usual!
A form posted for me to sign...
The application always feels long drawn out and even intrusive but for our own financial security we should understand why.
My concern is when I need to transfer in from another ISA. A form has to be posted for me to sign. I haven't had this with any other bank. Currently our post, along with many others nationally, is abysmal. I foresee a problem with the transfer looming over the horizon.
17 March 2026
Reply from Castle Trust Bank
Thank you for your review.
Most transfers can be completed electronically, depending on the ISA provider and whether they use the electronic transfer platform, without the need for paper forms.
A member of our team has sent you a message to understand more about your experience.
Reply from Castle Trust Bank
Thank you for the positive feedback about our telephone team.
Reply from Castle Trust Bank
We're glad you found the set-up process easy Angela, thanks for leaving a review.
Reply from Castle Trust Bank
Thanks for the positive feedback!
Quick and hassle free service
One of the best interest rates around and the service was quick and hassle free.
27 February 2026
Reply from Castle Trust Bank
We're glad everything went smoothly for you.
The account was very easy to open
The account was very easy to open. The transfer went very smoothly with Castle Trust Bank keeping me informed at each stage. The transfer was also the quickest and most efficient of any I have done.
I like the App where everything is set out clearly. Well done! I would definitely recommend you.
26 February 2026
Reply from Castle Trust Bank
We're glad to help - thank you for the positive feedback.
I had to make a couple of phone calls
I had to make a couple of phone calls, your 2 members of staff were very courteous and helpful, it was a pleasure to call the helpline.
9 March 2026
Reply from Castle Trust Bank
We appreciate the positive feedback on our team, thank you.
I am happy with the transfer from Leeds…
I am happy with the transfer from Leeds to Castle Trust Bank completed very quickly.
18 March 2026
Reply from Castle Trust Bank
Thank you for leaving your review.
Reply from Castle Trust Bank
Delighted that you found the online process easy!
Query dealt with quickly
Query dealt with quickly. Informative friendly and helpful. Good telephone manner and patient.
13 March 2026
Reply from Castle Trust Bank
Thanks for the positive feedback, our telephone team always appreciate it!
My phone calls are always very helpful…
My phone calls are always very helpful and friendly,
thank you!
24 February 2026
Reply from Castle Trust Bank
We're glad to be of help, thanks for your review.
More complicated application than with…
More complicated application than with other providers
10 March 2026
Reply from Castle Trust Bank
We're sorry that you thought the application process wasn't as simple as you'd have wanted, and thank you for leaving your review.
First class transfer from previous provider
First class transfer of ISA from previous provider. Completed in just a 2-3 days. In my experience with other companies it takes weeks of stress and chasing. Castle completed the transfer without me having any stress or inconvenience.
25 February 2026
Reply from Castle Trust Bank
Thank you for leaving your feedback, it's great for our team to see their hard work is appreciated!
The onboarding process was smooth
The onboarding process was smooth, however every time I log into castle trust for the first time (irrespective of using my WiFi or phone network) I am presented with an error. Once I log out and back in I am able to see my account. This has happened at least 4/5 times now.
17 March 2026
Reply from Castle Trust Bank
Thank you for taking the time to leave a review. We’re sorry to hear that you’re encountering this error message when trying to log in to our Self Service Portal.
Please rest assured that this issue has been prioritised and escalated internally, and we’re working to resolve it as quickly as possible.
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