Thanks for your question.
Assuming she doesn't have acces to £200, 000gbp for investment in to a UK business, then she would be looking at applying under theTier 2 Sponsored Skilled Workers Visa provisions:. You will have to see if there is a job that she could do in the UK on the shortage occupation list:-
If her job is not on this list then this means that an employer would have to offer her job and then apply to become a licensed sponsor of skilled migrants and also confirm to the home office that they have carried out a the Resident Labour Market Test. This test is effectively to show that there are no resident/eea national in the locality that can perform the role role,.
You would have to then secure a job offer from a UK employer who is or would become a licensed sponsor of skilled migrants:-
If she is able to secure a job offer for tier 2 purposes from an employer licensed to sponsor tier 2 migrants then she can apply under this visa category and then apply for indefinite leave to remain after 5 years. However, she would have to make the application from the united states and could not make the applicaiton from within the UK whilst on a visit visa.
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