B Visa

I am an internet marketing professional and I had H1B visa for the period of 2007-2009. I visited US 3 times ( 7-15 days each) but for some reason I did not join job there. Meanwhile I registered a LLC there for my business and running a small business for last year.I am internet marketing professional and i had H1B visa for the period of 2007-2009. I visited US 3 times ( 7-15 days each) but for this or that reason i did not join job there. Meanwhile I registered a LLC there for my business and running a small business for last year.

Now I have to attend a conference and set up things for the business. This time I want to go with my wife and 2 year old kid. Which visa would you suggest?

I have B1/B2 visitor visa and I am planning to visit USA. I also have job offer from one of the company in USA. They are asking me to come on visit visa and then they will apply for my work visa (H1) while staying in USA. Should I accept their offer and travel with my spouse and children?

My wife filed for Skilled worker (EB-3(A)(i)). Can I apply for NIV to visit her?

My mother had an appoinment to get a visa today and she got denied but they did not give her a reason, is there a time period she should wait to try again or can we find out why somehow.

I am married to an alien and I am a citizen and I am looking to bring my mother-in-law here from mexico. It would be for pleasure and also medical reasons. She has a bad knee and I am looking to take her to go get checked for her knee.

An Australian Musician that is wanting to come to US for a few weeks to travel and play at approx 15-20 venues across the US. I am willing to sponsor him via my DJ entertainment service, and he will be paid for the shows. He is a professional musician in his country, has been for 15 yrs.
Which visa would be required in this case?

I have a 5 year multivisa. I visited US for two weeks 4 month ago. Now my friends invite me to stay longer than 2 weeks (2-3 months) and I dont have a job now. Can you please advice how long can I stay in US with this visa?

My cousin has invited me to his wedding, and I got married October 31 2009. The thing is this - my current passport is not in my married name, can I just apply for the visitors visa with my current passport and bring my marriage certificate as proof of marriage? My current passport will be expiring in 2012.

I am a holder of a US tourist Visa which will expire on July of 2011. I will visit the US on March 2011 to attend a wedding. If I go I will only have 4 months visa validity. Can I still use it with less than 6 months valid stay? I will stay only for 2 months the most.

Can a friend co-sign for me to bring my brother to the United States, I have green card and i don't make enough money. I just want to know if a friend can co-sign for me.