Their are various types of Non-Immigrant visas, please click on the headings below for a more comprehensive explanation. Go to immigration lawyers in London 5th Floor Maddox House, 1 Maddox Street, Mayfair, London, W1S 2PZ for more details
B-1 Visitor Visa for Business
B-2 Visitor Visa for Pleasure
The O-1 category applies to aliens coming temporarily who has extraordinary ability in the sciences, education, business, or athletics (not including the arts, motion pictures or television)
The E-1 classification is authorized for a national of a country with which the United States has a commercial treaty, who is coming to the U.S. solely to engage in trade of a substantial nature principally between the United States and the alien’s country of nationality
The E-2 classification is authorized for a national of a country with which the United States has a commercial treaty, who is coming to the United States solely to direct and develop the operations of an enterprise in which he or she has invested, or is actively involved in the process of investing, a substantial amount of capital.
U.S. employers may petition for skilled alien workers to meet temporary positions for which qualified U.S. workers are not available
U.S. employers may petition for skilled or unskilled alien workers to meet temporary or seasonal needs in positions for which qualified U.S. workers are not available
The immigration laws provide a nonimmigrant visa classification (“K-1”) for persons coming to the United States to marry American citizens and reside here.
The L-1 category applies to aliens who work for a company with a parent, subsidiary, branch, or affiliate in the U.S. These workers come to the U.S. as intra–company transferees who are coming temporarily to perform services
The P-1 classification applies to an alien coming to the U.S. temporarily to perform at a specific athletic competition as an athlete, individually or as part of a group or team, at an internationally recognized level of performance.
The Q-1 classification applies to participants in an international cultural exchange program approved by the Attorney General for the purpose of providing practical training, employment, and to share the history, culture, and traditions of the alien’s home country.
The R-1 classification applies to a religious worker.
NAFTA created a new visa category, “TN,” for eligible Canadian and Mexican professional workers and also affected terms of admission for Canadians admitted to the U.S. under other nonimmigrant classifications.