Start-Up-Visa for UK is for those, who are willing to set up a business in the UK. You can apply if you are outside from European Economic Area (EEA) & Switzerland. Before you apply you must have your business assessed by any authorised body. If your business is viable you will be provided with an endorsement letter. It is compulsory that for start-up visa you get endorsed by an authorised body it can be either a UK Higher Education Institution or a business organisation that has a history of supporting UK entrepreneurs.