How to switch to a new IOS account?

Hi guys,

I am in need of some help. I have to switch to another ios account (long story) and so I register with Apple (and pay another $99) and I will need to transfer my apps (Space Command) from my current account to my new ios account. In the meantime I have a new macbook air which I am using to build and upload to Apple with it. I still have my Mac Mini which I used until now.

My question is, do I need to create new certificate to sign my future apps (or my current app that I need to transfer later this week)? I have to say that I am already able to build had-hoc version of both my current app and my upcoming app on my new macbook air. I am kind of confuse what to do next now that I have a new ios account. I am also assuming that even my current app which use my old account bundle name ((com.oldCompanyName.appName)will need to be rebuild with my new account bundle (com.newCompanyName.appName)

Anybody went through this before or have any suggestions?

THANK YOU!

Mo