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
Company replied
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Review summary
Created with AI, based on recent reviews
What people talk about most
Reviews shaping this summary
Opening an account as a new customer was quick and straightforward. The product terms and conditions suit my needs and the interest rate is higher than those available from other providers. Althou... See more
Company replied
I am impressed by the support and information that is available, since my induction as new investor, It has made the initial work of setting up my account details much easier than first thought. The... See more
Company replied
All went smoothly. Kept informed via emails and secure messages. Spoke to a very helpful and reassuring member of your team when I noted that my ISA transfer had left one building society but had no... See more
Company replied
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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So user-friendly
It was so quick and easy to set up the new account and I'm getting a good interest rate as well.
3 April 2026
Reply from Castle Trust Bank
Thank you for leaving your review.
Reply from Castle Trust Bank
Thank you for your feedback.
Reply from Castle Trust Bank
We're pleased you found the process simple!
Good Deal and very helpfull on…
Good Deal and very helpfull on tele-call when things did not seem so straight forward.
20 April 2026
Reply from Castle Trust Bank
We're happy that you're pleased with our rates and our service
Castle Trust is competitive…
Castle Trust is paying a competitive interest rate which is very important at the moment bearing the cost of living pressure.
26 April 2026
Reply from Castle Trust Bank
Thank you for your feedback.
Easy experience
Easy experience. Opened account and transferred sorted very smoothly, unlike other establishments.
10 April 2026
Reply from Castle Trust Bank
We're pleased the process went smoothly for you
Their app is very easy 2 use n…
Their app is very easy 2 use n understand interest rates are very competitive
9 April 2026
Reply from Castle Trust Bank
Thank you for your positive feedback!
Good rate of interest offered and very…
Good rate of interest offered and very easy and straightforward process for applying.
9 April 2026
Reply from Castle Trust Bank
Thank you for leaving your positive review.
Great service and comprehensive…
Great service and comprehensive website. Quick and straightforward to open account and they kept me advised throughout the process.
9 April 2026
Reply from Castle Trust Bank
We're happy to have been of help!
Easy to use website and competitive…
Easy to use website and competitive rates of interest.
24 April 2026
Reply from Castle Trust Bank
Thank you for your feedback.
Excellent sevice. No problem dealing with my savings
No problem dealing with my savings. Fast, efficient and using transfer service with staff guidance was good.
2 April 2026
Reply from Castle Trust Bank
We're pleased that you're happy with your new account.
Still waiting for transfer from Tembo…
Still waiting for transfer from Tembo to be completed.
27 April 2026
Reply from Castle Trust Bank
Thank you for your review. Some ISA Transfers take a little longer than others depending on the process used by the transferring scheme, we hope to complete your transfer shortly.
Very easy from start to finish
6 April 2026
Reply from Castle Trust Bank
Thank you for leaving your review.
I was looking for a trusted bank with a…
I was looking for a trusted bank with a good fixed rate ISA and a good friend advised my wife and I to look at Castle Trust. I was impressed with their top rated fixed ISA and also how simple it was to apply and be accepted.
9 April 2026
Reply from Castle Trust Bank
Thank you for your review.
Reply from Castle Trust Bank
Thank you for your positive feedback
I am disappointed that i have not been…
I am disappointed that i have not been given the higher rate on my new cash isa as by the time of maturity of my savings account a higher rate was offered which i feel should have been offered to me.
24 March 2026
Reply from Castle Trust Bank
Thank you for taking the time to leave a review and we’re sorry you’re disappointed about our interest rates changing.
Our interest rates can increase or decrease at short notice particularly in the current environment and our customers can move into the higher rate if this happens within their 14 day cooling off period and they contact us to request the change.
After service u
I did not like the after service with the rep or the Manager.Not helpful at all
20 April 2026
Reply from Castle Trust Bank
Thank you for taking the time to leave a review.
I understand that your concerns have been addressed and resolved directly, but please feel free to contact our team at savings@castletrust.co.uk if you need any further assistance.
Reply from Castle Trust Bank
Thank you for leaving your review
Reply from Castle Trust Bank
Thank you for leaving your review
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