Your facts are too confusing and unclear to be able to give you a good answer.
Talk to the immigration lawyer that did the Company A visa ... or the one that may be doing the Company B visa ... or both.
PROFESSOR OF IMMIGRATION LAW for over 10 years -- This blog posting is offered for informational purposes only. It does not constitute an attorney-client relationship. Also, keep in mind that this is an INTERNET BLOG. You should not rely on anything you read here to make decisions which impact on your life. Meet with an attorney, via Skype, or in person, to obtain competent personal and professional guidance.
Speak with the attorney who helped with the H1
Samuel Ouya Maina, Esq. 415.391.6612 email@example.com Law Offices of S. Ouya Maina, PC 332 Pine Street, Suite 707 San Francisco, CA 94104
All your questions are very good and should be considered while planning out the carreer. If only you could consult with an attorney in private you could ask about all the different scenarios. Best Wishes!
Attorney: Immigration Law
13295 Illinois St Ste. 128
Carmel IN 46032
Ph: (317) 660-6174