Myself and husband got our banking sorted out as a priority. We had one joint account with mortgage, savings etc (which was really his own main account...I never used it)...then I always had my own account where my salary etc got paid in (thank god!). And we had one joint savings account.
We got my name taken off the joint account (although the bank still kept sending me the bank statements even to my new address when husband and I had both moved into our new homes.. the mail had both our names on it, so naturally (and genuinely) I really did just open them thinking it was joint mail to do with ongoing issues with mortgage redemption..much to my husbands fury it was his bank statements though!!! lol. Dont know why the bank still did that..or indeed how they got my new address!...was likely because I still have a credit card through them so likely to be admin mix up. Was hilarious though when I presented my husband with his bank statements two months in a row, despite his continual threat to the bank that he was going to sue them for breach of confidentiality etc etc. Really thought he was going to blow a gasket..particularly when I told him they made for very interesting reading lol
We closed our joint savings account within 3 months of separating and split it 50:50 to open up our own savings accounts with.
We havent started divorce proceedings yet and thanks to this site I now know that all finances are still all entwined together regardless of being separated...I hadnt appreciated that. Dont think my husband is aware of that yet but I'll let him continue to save his thousands in what he thinks is HIS own savings account until which time we start divorce proceedings. Suppose Im lucky in one sense that he is so mean...he wont be doing the shameless spending thing! Im not guilty of that either

Get the banking thing sorted out as a priority though!