This might be a short episode but hopefully a useful one.
Make sure that you know who has access to your bank and authority to make payments.
Also, have a think about whether you might need an extra account to put the VAT or tax money in until its due.
Do have a look at all the comments on LinkedIn on my post about business banking. I have since launched an account with Starling Bank and its a big improvement on my previous bank. It all seems so easy with them! Long may it continue