Canadian citizens who are approved for E-2 visas are usually given a validity period of five 5 years. Investment as a per cent of value of business. The main difference is the requirement for a substantial amount of investment in a U. A question that often comes up with whether it is easier to obtain an E-2 visa by buying an existing business or starting a new business. E-2 visas for Canadian spouses and children Spouses and children under 21 of E-2 investors or employees may accompany the principal applicant. A large group of Europeans and Canadians establish a U. When he is outside the U.