I have recently changed employer and have made change my visa to my prospective employer A. I have another employer b willing to sponsor me which i prefer. My question is that can i switch to employer b's sponsorship given i have just obtained my sponsorship visa from employer A ? Will UKBA allow c...

I'm currently on Tier2 general visa and my wife on Tier2 Dependent visa. I have been now offered a new job and my new employer is willing to sponsor me. In that case would I have to change my wife's visa as well along with my new Tier2 application ?