Non-Immigrant Visas 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/B-2 Visa B-1 Visitor Visa for Business B-2 Visitor...