Conditions for making your entry to the US

If you are working in a company and going onsite then there is a special kind of visa which is known as US visa for company employee that can be given by your company. Your company is responsible for giving you this type of visa.
You can also seek the help of the immigration lawyer as he will teach you about the whole process needed for your entry. If you have the
the criminal record then there are chances that your entry to US from UK may get barred.