while sorting this out I have been having payments made into a mixture of accounts all in my name , is this a huge problem ?
That's probably about as stupid as "stupid is as stupid does" if you want to prove to the vatman that these are two separate entities and are unrelated for artificial separation purposes, however i would say to the extent that the company is trading and unable open a business account immediately or similar for paypal there may be a genuine reason why the money would flow temporarily through an account you use on behalf of the company - so potentially no biggie but its not a great start
PS congratulations on spotting that payments made to google count towards your sales turnover for vat registration purposes - something hmrc don't seem to greatly advertise - the rules being so illogical hmrc should be obliged to run adverts once a month on i'm a celebrity pointing this fact out ! - or better still pay for nice slogan in the background in camp
I probably would recommend reading this ~"general advise" article (hmrc may have a different spin on things than this advise though) - sort of gives some initial indicators - horrible area to give advise on unfortunately as there is a clear absence of any black or white answers - other than i would say get all of the detail correct to the best of your ability if you go down that route and keep the separate hats on at all times.