Users of Lloyds, Halifax and Bank of Scotland are reporting outages online and when using their card at cashpoints.
According to Down Detector, users are experiencing problems with online banking, mobile banking and online logins.
Some are even reporting some of their accounts showing as missing.
Comments on Down Detector point to all online services having issues.
The outages have not been officially confirmed by Lloyds, Halifax or Bank of Scotland at this time.
Across Twitter, it appears many customers are experiencing the same problems, and have begun tweeting the banks for assistance.
Hi David. Thanks for getting in touch and sorry to hear you've experienced these issues. Can you try this again now? When using the mobile app, please fully close the app from running in the background between each sign in attempt. Let us know if you have further problems. ^Will
— Halifax (@HalifaxBank) November 17, 2021
One customer Tweeted: “can't log on via desktop, can't log on via mobile”.
Others have reported problems accessing banking apps, with the Halifax bank Twitter advising customers to try connecting with both WiFi and mobile data.
Another customer tweeted Halifax claiming they were unable to make bank transfers.
Another said: “Am I the only one having problems with the @LloydsBank app today?” which prompted replies from many concerned customers.
Late afternoon on Wednesday, November 17 reports on Down Detector began to decrease and all three Twitter accounts replied to customers reassuring that problems should now be fixed.
However, in the early hours of Thursday morning, November 18 the issues resurfaced and customers again took to Twitter to voice their issuers.
One Twitter user said: "App not working, nor website!! Can see any of my accounts. all say n/a!!"
According to other user reports, customers have also been unable to check balances at cashpoints.
Responding to several customers' tweets, Halifax said: "We know some of you are having issues with Internet Banking. We're sorry for this. We're working to have it back to normal soon."
As of 10am on Thursday, November 18, reports on Down Detector began to decrease, indicating not as many customers were reporting issues.
Across all 3 Twitter accounts, Bank of Scotland, Lloyds and Halifax are informing customers that the issues are resolved.
They are replying to tweets with the following statement: "We’re pleased to let you know our Internet banking is now back to normal. We’re sorry for any inconvenience."
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article